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Providing you the best range of Alloy Steel such as Alloy Steel Grade EN 19, 

Alloy Steel



Alloy Steel Grade EN 19

Alloy Steel Grade EN 19


EN19 is a high quality, high tensile steel usually supplied readily machine able in ‘T’ condition, giving good ductility and shock resisting properties combined with resistance to wear.

Chemical Composition
ElementMinMax
Carbon, C0.350.45%
Manganese, Mn0.500.80%
Silicon, Si0.100.35%
Nickel, Ni-.---.--
Molybdenum, Mo0.200.40%
Chromium,Cr0.901.50%
Sulfur, S-.--0.05
Phosphorous, P-.--0.05
Mechanical Properties
Heat
Treatment
Tensile
Strength
Rm N/mm²
Yield
Stress
Re N/mm²
a% on
5.665ÖSo
Impact
Izod J
Impact
KCV J
Proof
Stress
rp0.2
Hardness
HB
Size
mm
R700/850495153428480201/225>100≤250
S775/925555132722540223/277>150≤250
S775/925585155450570223/277>63≤150
T850/1000680135450655248/302>29≤100
U925/1075755124742740269/331>13≤63
V1000/1150850124742835293/352>6≤29
W1075/1225940124035925311/375>6≤19
Applications

EN19T was originally introduced for the use in the machine tool and motor industries for gears, pinions, shafts, spindles and the like. Later its applications became much more extended and it is now widely used in areas such as the oil and gas industries. EN19T is suitable for applications such as gears, bolts, studs and a wide variety of applications where a good quality high tensile steel grade is suited

Forging

Pre heat carefully, then raise temperature to 850-1200°C for forging. Do not forge below 850°C. After forging cool slowly in still air.

Annealing

Heat the EN19T slowly to 680-700°C. Cool in air.

Hardening

This steel grade is commonly supplied ready heat treated. If further heat treatment is required annealed EN19 should be heated slowly to 860-890°C and after adequate soaking at this temperature quench in oil. Temper as soon as tools reach room temperature.

Tempering

Heat carefully to a suitable temperature selected by reference to a tempering chart or table. Soak at the temperature for 2 hours per 25mm of ruling section, then allow to cool in air. Tempering between 250-375°C is not advised as tempering within this range will reduce the impact value.

Heat Treatment

Heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of EN19T alloy steel.





Alloy Steel Grade En 24

BS970: 1955 EN24, BS970/PD970: 1970 onwards 817M40. Related European grades: 34CrNiMo6, Werkstoff No. 1.6582 US Grade: SAE (AISI) 4340.EN24 is usually supplied in the finally heat treated condition (quenched and tempered to “T” properties) up to a limiting ruling section of 250mm, which is superior to grades 605M36, 708M40 or 709M40 – see properties below. Please refer to our selection guide for comparisons
EN24 is a very popular grade of through-hardening alloy steel, which is readily machinable in the “T” condition. (Refer to our machinability guide). EN24T is most suitable for the manufacture of parts such as heavy-duty axles and shafts, gears, bolts and studs. EN24T can be further surface-hardened typically to 58-60 HRC by induction or nitride processes, producing components with enhanced wear resistance.

In addition to the above, EN24T is capable of retaining good impact values at low temperatures, hence it is frequently specified for harsh offshore applications such as hydraulic bolt tensioners and shipborne mechanical handling equipment.

Carbon(C)Directly influences the hardness and strength of the steel, decreases toughness.
Chromium(Cr)Improves Hardenability, high temperature strength, wear resistance and even corrosion resistance(Cr>14%).
Cobalt(Co)Improves retention of hardness at high temperatures.
Molybdenum(Mo)Increases yield point and strength. Improves Hardenability and wear resistance. Manganese Lowers effects of Iron sulphides, increases hardenability, wear resistance.
Nickel(Ni)Increases toughness at lower temperatures, slows the corrosion process. Improves toughness, grain structure, high temperature strength, wear resistance, etc.
Vanadium(V)Increases wear resistance, high temperature strength, retention of hardness etc.
Silicon(Si)It is a deoxidizing agent. Increases strength and wear resistance. It is of importance that certain elements are as low as possible. Elements like Hydrogen, Oxygen, Nitrogen, Phosphorous, Sulphur create defects inside & also reduce the mechanical properties of steels.
Mechanical Properties
 Tensile strength Rm MpaYield stress Re MPaRp 0.2 MpaA min on 5.65Impact Hardness HBLimiting Ruling Section
Heat TreatmentIzod Ft.lbKCV Jmm
T850/1000650635133035248/302250
850/1000680665134050248/302150
U925/1075755740123542269/331100
V1000/1150850835123542293/35263
W1075/1225940925113035311/37529
X1150/130010201005102528341/40129
Y1225/137510951080101821363/42929
Z15501235112558944429
EN24 Equivalents
BS970: 1955EN24
BS970/PD970:
1970 onwards
817M40
European34CrNiMo6
Werkstoff No.1.6582
US SAE (AISI)4340

 



Alloy Steel Grade En 24



Alloy Steel Grade EN 31

Alloy Steel Grade EN 31


EN31 is a high carbon Alloy steel which achieves a high degree of hardness with compressive strength and abrasion resistance.

Chemical Composition

PropertiesMetricImperial
Density7.85 g/cc0.284 lb/in3
Forging

Forge at 1000°/1050°C. Heat slowly, allowing sufficient time at the forging temperature for the steel to be thoroughly soaked through. Re-heat as often as necessary to keep the temperature above 850°C. After forging cool very slowly, preferably in a furnace.

Annealing

Heat uniformly to 800°C, equalize, then furnace cool. (Hardness about 229 Brinell).

Stress Relieving

If machining operations have been heavy or if the tool has an unbalanced section, remove stresses before hardening by heating up to 700°C, equalize, then cool slowly.

Hardening

Heat uniformly to 800/820°C until heated through. Allow 30 minutes per inch of ruling section and quench immediately in oil.

Tempering

Heat uniformly and thoroughly at the selected tempering temperatures and hold for at least one hour per inch of total thickness

Tempering °C100150200250300350
HRc64/6363/6262/6160/5957/5654/53
Physical Properties
Name of MaterialComposition in % of Weight      Thermal conductivity W/m-kDensity Kg/m^3Melting Point
CMnSiCrSPMg
En-31 IS-103 Crl1.50.520.221.30.050.05-46.678101540
Mechanical Properties
ElementObjective
Tensile Strength750 N/mm²
Yield Stress450 N/mm²
Reduction of Area45%
Elongation30%
Modulus of elasticity215 000 N/mm²
Density7.8 Kg/m3
Hardness63 HRC
Heat Treatment of EN-31
ElementObjective
Hardening Temperature802??- 860?? C
Quenching MediumOil
Tempering Temperature180??- 225?? C
Brinell-Rockwell Hardness59 - 65




Alloy Steel EN36c

EN36C gives a hard case with a strong core, whilst retaining a remarkable degree of toughness.

Chemical Composition
ElementMinMax
Carbon, C
0.120.18%
Manganese, Mn0.300.60%
Silicon, Si0.100.35%
Nickel, Ni3.003.75%
Molybdenum, Mo0.100.25%
Chromium,Cr0.601.1%
Sulfur, S-.--0.05%
Phosphorous, P-.--0.05%
Applications

As a carburizing steel grade it is suitable for roller and ball bearings of extra light section, aero plane and motor crankshafts requiring hard surfaces for roller paths, connecting rods with case-hardened ends, as well as highly stressed gudgeon pins, gears and certain types of collets.

Carburizing / Case Hardening

Case hardening will give a hard wear resisting surface and tough core strength to the steel. Case hardening temperatures range from 860-960°C, followed by rapid quenching which will determine the resulting hardness.

Tempering

For optimum toughness temper at low temperatures for a minimum of 2 hours. The case hardness should be in the region of 60-62HRc.

Tensile Strength N/mm²Elongation %Impact Izod JImpact KCV JHardness s HBReduction of Area %
111015403534150
SOFTENING

If it is necessary to soften the EN36 for machining between the carburising and subsequent heat treatment stages, heat to 640-650°C. Soak at this temperature for 1 to 2 hours and cool slowly in the furnace or in air.

Heat Treatment

Heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each EN36 steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of EN36 case hardening steel.



Alloy Steel EN36c




Alloy Steel EN 47

Alloy Steel EN 47


EN47 is suitable for oil hardening and tempering. When used in the oil hardened and tempered condition EN47 spring steel combines spring characteristics with good wear and abrasion resistance. When hardened EN47 offers excellent toughness and shock resistance which make it a suitable alloy spring steel for parts exposed to stress, shock and vibration.

Applications

EN47 is used widely in the motor vehicle industry and many general engineering applications. Suitable for applications that require high tensile strength and toughness. Typical applications include crankshafts, steering knuckles, gears, spindles and pumps.

Chemical composition
ElementMin %Max %
Carbon, C0.450.55
Manganese, Mn0.500.80
Silicon, Si-.--0.50
Nickel, Ni-.---.--
Molybdenum, Mo-.---.--
Chromium,Cr0.801.20
Sulfur, S-.--0.05
Phosphorous, P-.--0.05
Vanadium0.15-.--
Mechanical Properties
QuantityValueUnit
young's Modulus200000-200000MPa
Tensile strength650-880MPa
Elongation8-25%
Fatigue275-275MPa
Yield strength350-550MPa
Physical Properties
QuantityValueUnit
Thermal expansion10-10e-6/k
Thermal conductivity25-25W/m.k
Specific heat460-460J/kg.k
Melting temperature1450-1510°C
Density7700-7700kg/m3
Resistivity0.55-0.55ohm.mm2/m
Forging

Preheat the steel carefully, then raise temperature to 1050°C for forging. Do not forge below 840°C. After forging EN47 spring steel cool slowly, preferably in a furnace.

Annealing

Heat slowly to 820-840°C, soak well. Cool slowly in the furnace.

Hardening

Heat slowly to 650-700°C and thoroughly soak. Continue to heat the steel to the final hardening temperature of 830-860°C and allow the component to be heated through. Quench in oil.

Tempering

Temper the EN47 spring steel component immediately after quenching whilst tools are still hand warm. Re-heat to the tempering temperature then soak for one hour per 25 millimetre of total thickness (2 hours minimum) Cool in air. For most applications tempering of this grade will be between 400-600°C.

Welding

We recommend you contact your welding consumables supplier who should provide you full assistance and information on welding EN47 chrome vanadium spring steel.

Heat Treatment

Heat treatment temperatures, including rate of heating, cooling and soaking times etc. will vary due to factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of EN47.






Alloy Steel Grade EN 353

En 353 steel has carbon content of 0.17% and the most common form of steel as it’s provides material properties that are acceptable for many automobile applications such as heavy duty gear, shaft, pinion, cam shafts, gudgeon pins [1,8]. It is neither externally brittle nor ductile due to its lower carbon content and lower hardness. 

Chemical Analysis 

In order to ensure the material of the specimen is done with help of the optical emission spectroscope (OES). The result is obtain from the chemical analysis, carbon – 0.171 %, silicon – 0.3 %, manganese – 0.56 %, phosphorus – 0.012 %, sulphur – 0.13 %, Chromium – 0.953 %, Nickel – 0.989 %, molybdenum – 0.16 % and remaining percentage is iron respectively. A sample of ?? 30 × 10 mm is polished using 60 grit papers and two sparks is introduced on the surface to find the chemical composition of the material. 
Chemical composition
GradeMinMax
Carbon, C-.--0.20%
Manganese, Mn0.501.0%
Silicon, Si-.--0.35%
Nickel, Ni1.01.5%
Molybdenum, Mo0.080.15%
Chromium,Cr0.751.25%
Sulfur, S-.--0.05%
Phosphorous, P-.--0.05%
Mechanical Properties
Hardening840-870
Quechingoil
Tempering150-200
Brinell Rockwell Hardness150-200
Heat treatment:

CARBURISING Pack, salt or gas carburize at 910C, holding for sufficient time to develop the required case depth and carbon content, Slow cool from carburizing temperature and re-heat to 870C, hold until temperature is uniform throughout the section, quench as required in water, oil or air cool.

HardeningQuenchingTemperingBrinell Rockwell Hardness
840-870oil150-20062-64
Heat treatment Procedure for EN353

CARBURISING Pack, salt or gas carburize at 910C, holding for sufficient time to develop the required case depth and carbon content, Slow cool from carburizing temperature and re-heat to 870C, hold until temperature is uniform throughout the section, quench as required in water, oil or air cool.

Hardness

Vickers hardness measurement is done on the specimen as per the IS 1501-2002 procedures by using Vickers hardness tester (MH6). Hardness measurement is made with 200 g loads, dwell time of 10 seconds and diamond indenter is used for test. 

Analysis

X-Ray Diffractometer is one of the most powerful techniques for material structural analysis. Bruker AXS D8 Advance X-Ray diffractometer fit with vertical goniometers, low and high temperature attachment. The angle range is 360°, the maximum usable angular is 3° to 135° and wavelength is 1.5406 Å. X-ray diffraction analysis is carried out under the following condition: Cu radiation, 40 KV voltage, 35 mA current and maximum angular speed 30°/s. When the x-ray is passed into the substrate and it is reflected back to the detector the angle made by the reflected ray to the substrate is denoted as . The value of is increased by changing the position of specimen by keeping the as reference β, D, ε, ρ are calculated. The different values are obtained by the varying value for certain range.

Tempering

Re-heat to 780C – 820C, hold until temperature is uniform throughout the section, and quench in oil, Temper immediately while still hand warm. Heat to 150C – 200C as required, Soak for 1 – 2 hours per 25mm of section, and cool in still air.



Alloy Steel Grade EN 353




Alloy Steel SAE/AISI 4140

Alloy Steel SAE/AISI 4140


4140 is a 1% chromium – molybdenum medium harden ability general purpose high tensile steel – generally  supplied hardened and tempered in the tensile range of 850 – 1000 Mpa (condition T).4140 is now available with improved mach inability, which greatly increases feeds and/or speeds, while also extending tool life without adversely affecting mechanical properties. Pre hardened and tempered 4140 can be further surface hardened by flame or induction hardening and by nit riding.
Chemical composition

ElementMinMax
Carbon, C0.350.45
Manganese, Mn0.500.80
Silicon, Si0.100.35
Ni-.---.--
Molybdenum, Mo0.200.40
Chromium0.901.50
Sulfur, S-.--0.05
Phosphorous, P-.--0.05
Physical Properties
PropertiesMetricImperial
Density7.85 g/cm30.284 lb/in³
0.284 lb/in³1416°C2580°F
Mechanical Properties
PropertiesMetricImperial
Tensile strength655 MPa95000 psi
Yield strength415 MPa60200 psi
Bulk modulus (typical for steel)140 GPa20300 ksi
Shear modulus (typical for steel)80 GPa11600 ksi
Elastic modulus190-210 GPa27557-30458 ksi
Poisson's ratio0.27-0.300.27-0.30
Elongation at break (in 50 mm)25.70%25.70%
Hardness, Brinell197197
Hardness, Knoop (converted from Brinell hardness)219219
Hardness, Rockwell B (converted from Brinell hardness)9292
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only)1313
Hardness, Vickers (converted from Brinell hardness)207207
Machinability (based on AISI 1212 as 100 machinability)6565
Machinability

AISI 4140 alloy steel has good machinability in the annealed condition.

Forming

AISI 4140 alloy steel has high ductility. It can be formed using conventional techniques in the annealed condition. It requires more pressure or force for forming because it is tougher than plain carbon steels.

Heat Treatment

AISI 4140 alloy steel is heated at 845°C (1550°F) followed by quenching in oil. Before hardening, it can be normalized by heating at 913°C (1675°F) for a long period of time followed by air cooling.

Forging

AISI 4140 alloy steel is forged at 926 to 1205°C (1700 to 2200°F)

Hot Working

AISI 4140 alloy steel can be hot worked at 816 to 1038°C (1500 to 1900°F)

Cold Working

AISI 4140 alloy steel can be cold worked using conventional methods in the annealed condition.

Annealing

AISI 4140 alloy steel is annealed at 872°C (1600°F) followed by slowly cooling in the furnace.

Hardening

AISI 4140 alloy steel can be hardened by cold working, or heating and quenching.

Tempering

AISI 4140 alloy steel can be tempered at 205 to 649°C (400 to 1200°F) depending upon the desired hardness level. The hardness of the steel can be increased if it has lower tempering temperature. For example, tensile strength of 225 ksi cab be achieved by tempering at 316°C (600°F), and a tensile strength of 130 ksi can be achieved by tempering at 538°C (1000°F).





Alloy Steel Grade SAE AISI 4340

Alloy steels are designated by AISI four-digit numbers. They comprise different kinds of steels having composition exceeding the limitations of B, C, Mn, Mo, Ni, Si, Cr, and Va set for carbon steels.

AISI 4340 alloy steel is a heat treatable and low alloy steel containing chromium, nickel and molybdenum. It has high toughness and strength in the heat treated condition.

Chemical Composition
ElementMinMax
Carbon, C
0.350.45
Manganese, Mn
0.450.70
Silicon, Si
0.100.35
Nickel, Ni
1.31.8
Molybdenum, Mo
0.200.35
Chromium,Cr
0.901.40
Sulfur, S
-.--0.5
Phosphorous, P
-.--0.5
Mechanical Properties
PropertiesMetricImperial
Tensile strength745 MPa108000 psi
Yield strength470 MPa68200 psi
Bulk modulus (typical for steel)140 GPa20300 ksi
Shear modulus (typical for steel)80 GPa11600 ksi
Elastic modulus190-210 GPa27557-30458 ksi
Poisson's ratio0.27-0.300.27-0.30
Elongation at break0.220.22
Reduction of area0.50.5
Hardness, Brinell217217
Hardness, Knoop (converted from Brinell hardness)240240
Hardness, Rockwell B (converted from Brinell hardness)9595
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only)1717
Hardness, Vickers (converted from Brinell hardness)228228
Machinability (annealed and cold drawn. Based on 100 machinability for AISI 1212 steel.)5050
Thermal Properties
PropertiesMetricImperial
Thermal expansion co-efficient (20°C/68°F, specimen oil hardened, 600°C (1110°F) temper12.3 µm/m°C6.83 µin/in°F
Thermal conductivity (typical steel)44.5 W/mK309 BTU in/hr.ft².°F

Machinability

AISI 4340 alloy steel can be machined using all conventional techniques. Machining process can be performed in the annealed or normalized and tempered conditions.

Forming

AISI 4340 alloy steel has good ductility and formability in the annealed condition. It can be bent or formed by pressing or spinning in the annealed state.

Welding

AISI 4340 alloy steel can be welded using fusion or resistance welding methods. Preheat and post heat weld procedures are followed while welding this steel by established methods.

Heat Treatment

AISI 4340 alloy steel is heat treated at 830°C (1525°F) followed by quenching in oil.

Forging

AISI 4340 alloy steel is forged at 427 to 1233°C (1800 to 2250°F).

Cold Working

AISI 4340 alloy steel can be cold worked using all conventional methods in the annealed condition. It has high ductility.

Annealing

AISI 4340 alloy steel is annealed at 844°C (1550°F) followed by cooling the furnace.

Tempering

AISI 4340 alloy steel should be in the heat treated or normalized and heat treated condition before tempering. Tempering temperatures depend upon the desired strength level.

Hardening

AISI 4340 alloy steel can be hardened by cold working or heat treatment.



Alloy Steel Grade SAE AISI 4340




Alloy Steel DIN 42 CrMo4

Alloy Steel DIN 42 CrMo4


DIN 41Cr4 and DIN 42Cr

DIN 41Cr4 and DIN 42CrMo4 materials have been widely used in automotive driving elements. Although 42CrMo4 is more expensive than 41Cr4, it is more preferable in terms of material properties. In this study, these two materials were heat treated by austenitizing in a continuous furnace at 850 °C and quenched in oil at 90 °C. After they were tempered at various temperatures, mechanical properties were determined for each tempering temperature. The material properties for both materials were compared with each other. 

Chemical Composition
PropertiesMetricImperial
Hardness, Brinell (typical)30033
Hardness, Rockwell C (typical)3030
Tensile strength, ultimate965-1030 MPa140000-150000 psi
Tensile strength, yield
827-862 MPa120000-125000 psi

Elongation at break (in 50 mm (2"))20.0%20.0%
Compressive strength862 MPa125000 psi
Charpy impact (V-Notch)27.1-33.9 J20.0-25.0 ft-lb
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi
Temperature °C
Hot formingNarmalaizing+NQuenching+QQuenching+Q Tempering+TStress-relieving+SR
1100-850870air860 oil or polymer850 water540-68050°C under the temperature
Soft annealing+AIsothermal annealing+iSpheroidizing annealing+ACEnd Quench hardenability testPre heating weldingStress-relieving after welding
720 air(HP max 241)820 fumace cooling to 670,then air (HB max 200)840 water300550 fumace cooling
Ac1Ac3MsMf
745790335120
Mechanical Properties((Hardened and Tempered):
Dia Scope(mm)Tensile Strength Rm (Mpa)Yield Strength R2 (Mpa)Elongation (longitudinal direction) Al (%)Reduction of area (%)Impact Energy Joules (-20°C)
16 max1100-1300900 min10 min40 min30 min
16-401000-1200750 min11 min45 min35 min
40-100900-1100650 min12 min50 min35 min
100-160800-950650 min13 min50 min35 min
160-250750-900500 min14 min55 min35 min

Heat Treatment:

  • Forging:Heat to 1150°C Hold until uniform.Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
  • Annealing:Heat to 830°C – 850°C. Cool in furnace.
  • Normalising:Heat to 870°C – 900°C. Cool in still air.
Forging

Heat to 1150°C Hold until uniform.Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.

ANNEALING

Heat to 830°C – 850°C. Cool in furnace.

Normalising

Heat to 870°C – 900°C. Cool in still air.

Weld ability

Readily welded in the annealed condition but avoid when possible if hardened and tempered due to the effect on the mechanical properties. Welding in the nitrided, flame or induction hardened condition is not recommended.





Alloy Steel DIN 34 CrNiMo6

34CrNiMo6, it is one kind of Quench and tempering special CrNiMo steel material, characterized by high tensile strength and high toughness. It is suitable to the manufacture of components of maximum thickness equal to 120 mm meanly or strongly stressed and even with acomplicated geometry (shafts, camshafts, axles, levers, connecting rods, rocker arms, gear wheels). To improve the workability at the machines tools it can be booked with the addition of Ca or re-sulphurized (S60,1%). The use of resulphurized steels involves a worsening of the tensile strength characteristics along the transversal, of the impact strength and of the fatigue strength. Advised austenitic grain dimension > 5 according to UNI 3245 (similar to ASTM E 112-82).

Comparison of steel grades 
JUS.5431
DIN34CrNiMo6
BS(816M40, 817M40)
GOST(38H2N2MA)
AISI(4337, 4340)
NF35NCD6
Chemical Composition
PropertiesMetricImperial
Hardness, Brinell (typical)30033
Hardness, Rockwell C (typical)3030
Tensile strength, ultimate965-1030 MPa140000-150000 psi
Tensile strength, yield
827-862 MPa120000-125000 psi

Elongation at break (in 50 mm (2"))20.0%20.0%
Compressive strength862 MPa125000 psi
Charpy impact (V-Notch)27.1-33.9 J20.0-25.0 ft-lb
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi
Physical Properties
Diameter(mm)0.2%proof stress(N/mm2)Tensile strength(N/mm2)Elongation of area(%)Reduction of area(%)Notch impact energy (ISO-V) (J)
up to 169801180-138094041
17-408851080-1280104548
41-100785980-1180115048
101-160685880-1180125548
161-250590780-930135548
Normalizing

Normalizing temperature: 850.0°C.

Forging

Hot forming temperature: 1100-900°C.

Corrosion Resitance

This is a low alloy steel and rota corrosion resistant alloy. Prolect:Ne coating shoud be used.

Welding

The alloy can be fusion or resistance welded. Preheat and post heat wed procedures should be followed when welding this alloy by established methods.

Hardening

Harden from a temperature of 830-860°C followed by oil quenching. Quenching temperature in the end-quench test is 850°C.

Stress Relieving

Stress relieving to remove machining stresses should be carried out by heating to approx. 650°C. holding for 1-2 hours at heat, followed by a, cooling. This operation is perform. to r.uce distortion during heat treatment.

HEAT TREATMENT AND HOT PLASTIC DEFORMATION TEMPERATURES
-TEMPERATURE ° CCooling Medium
Hot plastic deformation850-1100/
Normalizing850-880air
Soft Annealing650-680air
Quenching830-860oil
Tempering540-660air
Cold working

The VCH1,10150 alloy may be cold worked, in the annealed condion, by conventional methods and tooling. Chas good ductility.



Alloy Steel DIN 34 CrNiMo6








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