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Tubes

Pioneers in the industry, we offer Heat Exchanger Tubing, Stainless Steel Tubing, Boiler Tubing, Mechanical Tubing, Specialty Tubes and Metallic Air Conditioner Tubes from India.

Heat Exchanger Tubing
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Heat Exchanger Tubing

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Specifications
Trade NameWelded ASTMSeamless ASTM
CarbonA-214A-179
Low Temp CarbonA-334 1, 3, 6, 7, 8, 9, 11A-334 1, 3, 6, 7, 8, 9, 11
Seamless Medium CarbonA-210 A-1, C
Carbon Feedwater HeaterA-557 A2, B2, C2A-556 A2, B2, C2
Austenitic StainlessA249 TP 304, 304L, 309, 310, 316, 316L, 317, 321, 347A213 TP 304, 304L, 309, 310, 316, 316L, 317, 321, 347
Ferritic StainlessA-268 TP 409, 430, 439A-268 TP 409, 430, 439
TitaniumSB-338SB-338
HastelloyB-626B-622
Admirality 443 BrassB-543SB-111
90/10 Cu-NiB-543SB-111
70/30 Cu-NiB-543SB-111
Alloy 825B-704B-163
Alloy 800B-515B-163
Alloy 625B-704B-444
Alloy 600B-516B-163
Alloy 400B-730B-163
Alloy 200B-730B-163
Alloy 200B-468B-729
Duplex 2205B-789B-789

Our copper tubing is manufactured from Alloy C12200 (DHP), is certified under NSF/ANSI Standard 61, and thereby meets industry standards.

The most common types of tubing, K, L, and M are mainly distinguished by a variety of wall thicknesses, and are available in annealed and hard tempers. Coils are provided in annealed (soft) tempers and straight lengths are primarily available in hard (drawn) tempers.

Our copper tubing is made from Alloy C12200 (DHP) Specification ASME SB 111 manufactured to meet or exceed industry standards. We supply single wall types and double walled types ranging from 0.125″ to 3.25″ and wall thickness from 0.012″ to .125″ and up to lengths of 34 feet.

Some of the many applications:

  • Air conditioners
  • Refrigerators
  • Condensing units
  • Chillers
  • Heat pumps
  • Furnaces
  • Natural gas systems
  • Propane systems
  • Air cleaning systems

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Stainless Steel Tubing
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Stainless Steel Tubing

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"CALMET specializes in the manufacture of premium quality stainless steel tubing for different types of Original Equipment Manufacturer (OEM) applications. We offer level-wound cutting, long length, or exact length coiling capabilities to serve an OEM’s fabrication requirements.”

Tubing Sizes Available:

  • Exact Length Cutting from 1″  65′ (25.4mm  20 M)
  • Wall thicknesses from .010″ – .120″ (.25mm  3mm)
  • Outside Diameters from ”  2″ (6mm  51mm)

OEM Services & Capabilities:

  • JIT managed inventory programs
  • Prototypes & PPAPs
  • Product Design Review
  • Customized mechanical properties
  • Dimensional tolerances tighter than commercial standards
  • Barcode Capabilities

Stainless Grades Available:

  • 316L (UNS S31603)
  • 304L (UNS S30403)
  • AL29-4C (UNS S44735)
  • Registered trademark of Allegheny Ludlum
  • Inquire for other stainless grades

OEM Markets Served:

  • Beverage
  • Automotive
  • HVAC
  • Gas Appliances
ASTM
300 and 400 series stainlessSpecifications:Size range:
Welded and seamless tubes and pipesA249Round tubes 1/8″ OD thru 24″ OD
Round, square, and rectangular tubesA269Pipe 1/8″ nominal thru 10″ nominal
Ornamental gradeA554Square and rectangular tubes 3/4″ thru 6″

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Boiler Tubing
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Boiler Tubing

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Boiler Tubes Ready for Shipping
Welded, electric resistant, hot rolled boiler tubing products are used for a variety of different applications throughout the world. CALMET supplies the finest quality product that technology has made feasible.

Specifications:
Manganese/ Carbon Steel Boiler Tubes and
A/SA 178 ERW Carbon Steel
This specification includes electric resistant, minimum wall thickness welded tubes composed of carbon/manganese steel and carbon steel intended for use as super-heater flues, boiler flues, and boiler tubes. The grades available include A, C, & D.

Heat Exchanger & Condenser Tubes
A/SA 214 ERW Carbon Steel
This specification includes electric resistant, minimum wall thickness welded carbon steel tubes intended for use as condensers, heat exchangers, and similar heat transfer apparatus.

Available on Application
A/SA 210-A1, A/SA 179, A/SA 192, A/SA 213-T22 and T11

Standard Lengths
75′-0″ maximum, with capabilities between 110′-0″

Standard Size Range
1.500″ O.D. through 5.000″ O.D.
.060M through .438M Wall

Industries Served:

  • Commercial Boilers
  • Heat Recovery Steam Generation (HRSG)
  • Industrial Boilers
  • Power Generation
  • Pulp & Paper
  • Sugar Mills

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Mechanical Tubing
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Mechanical Tubing

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Priding ourselves as one of the nation’s fast-emerging mechanical tubing suppliers of Seamless, As-Welded, and DOM material, CALMET promises professional quality service and consistency. We can efficiently address your just-in-time or vendor managed inventories. Our company manufactures SSID, Seamless, DOM, or ERW on a regular basis for a number of customers from several different fields, from appliance to automotive industries. We also supply the maximum weighing direct welded “wall-to-diameter” ratio in the market. Our seasoned team of technical staff is committed to helping you with any specific end use applications you may require.

We offer a full line of welded and seamless mechanical tubing

Industries Served
Custom OEM Capabilities
Our extensive line of engineering resources, manufacturing capabilities, and value-added services, allow us to serve a number of different industries, including:CALMET focuses on providing complete tubing solutions to all our partners. If you have specific mechanical steel tubing requirements that cannot be satisfied with standard ASTM A519, A513 or A500 specifications, our technical group can fill the gap. Our services include:
  • Agricultural
  • Appliances
  • Automotive (Axles, Drive Lines, Shock Absorbers, Strut Rods, Steering Columns,)
  • Hydraulic Cylinders
  • Heavy Trucks & Equipment
  • Recreational Vehicles
  • Sporting Goods
  • Determining Tubing Material Requirements
  • Determining Correct Steel for a Given Application
  • Production Process Review
  • Prototypes and PPAP Samples
  • Product Design Review
  • Value Added Tubing Services

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Specialty Tubes

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  • C70600 Cupro Nickel high fin tube in straight length, cut lengths with stripped ends for boiler applications.
  • C70600 Cu Ni tube in LWC from 0.1875″ to 0.750″ OD.
  • C12200 Copper high fin tube in straight length, cut lengths with stripped ends for boiler applications.
  • C12200 copper low fin tube for chiller applications.
  • C12200 Copper inner groove tubes in LWC for A/C usage.
  • C11000 Copper square and rectangle tube in large diameter for electrical bus connectors.

Standard Specifications:

SAE J356
Welded Hydraulic Tubing

SAE J525
Cold-Drawn Hydraulic Tubing

ASTM A500
Welded Structural Tubing

ASTM A512
Carbon Steel Cold-Drawn Buttweld Mechanical Tubing

ASTM A519
Seamless Carbon and Alloy Steel Mechanical Tubing

ASTM A513 Type 6
Drawn Over Mandrel Special Smooth ID (SSID DOM)

ASTM A513 Type 5
Drawn Over Mandrel (DOM)

ASTM A513 Type 4
Cold-rolled Steel “Sink Drawn”

ASTM A513 Type 3
Hot-rolled Steel “Sink Drawn”

ASTM A513 Type 2
Electric-Resistance Welded (ERW) Cold Rolled Carbon Steel Mechanical Tubing

ASTM A513 Type 1
Electric-Resistance Welded (ERW) Hot Rolled Carbon Steel Mechanical Tubing

Copper Tube LWC, Refrigeration Coils Straight Lengths Cut Lengths OD from 0.1875″ to 12″Brass Tube Straight Lengths OD from 0.1875″ to 8″

Cupro Nickel Tube LWC 0.1875″ to 0.875″ OD Straight Lengths 0.1875″ to 9″ OD Cut Lengths

DIN-ENALLOYDIN-ENALLOYDIN-ENALLOY
Cu-OFC10200CuZn15C23000CuNi10Fe1MnC70600
Cu-ETPC11000CuZn30C26000CuNi30Mn1FeC71500
Cu-DLPC12000CuZn35C27000
Cu-DHPC12200CuZn36C27200
C33000
CuZn28Sn1C44300
C68700

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Metallic Air Conditioner Tubes
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