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Kharwal Enterprises

Sandhole, Mandi, Himachal Pradesh

| GST  02BOPPS7191E1ZM

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Plasma Rebars

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500 D Tmt Rebars

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Sd Rebars

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Kharwal Enterprises - Wholesaler of plasma rebars, 500 d tmt rebars & sd rebars in Mandi, Himachal Pradesh.

Nature of Business

Wholesaler

Legal Status of Firm

Individual - Proprietor

GST Number

02BOPPS7191E1ZM

Plasma Rebars
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Plasma Rebars

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A cutting-edge product from Tata Tiscon, Plasma Rebar is the only rebar brand in India manufactured using patented EPT - Electrolytic Plasma Technology. Plasma rebars are coated with zinc and treated with an additional surface passivation for higher resistance to corrosion in atmospheric environment and cement-concrete medium. The product has good coating consistency, superior corrosion performance and suitability to Indian construction market.

Coating by EPT method provides enhanced corrosion protection at uniform and optimal coating thickness. Zinc coating provides sacrificial protection which is superior to any other coating leading to no danger of uncoated regions. Coating does not peel off to expose rebar surface and prominence of ribs are maintained even after coating. Weldability and Bendability is equivalent to ordinary uncoated rebars.

Performance of Plasma rebars vis-a-vis ordinary rebars

The salt spray test is a standardized and popular corrosion test method as per ASTM B117-11, used to check corrosion resistance surface coatings. Salt spray testing is an accelerated corrosion test that produces a corrosive attack to coated samples in order to evaluate (mostly comparatively) the suitability of the coating for use as a protective finish. The appearance of corrosion (rust or other oxides) is evaluated after a pre-determined period of time. Test duration depends on the corrosion resistance of the coating; generally, the more corrosion resistant the coating is, the longer the period of testing before the appearance of corrosion/ rust.

Salt-spray testing with continuous exposure to 5% NaCl showed no rust even after 100 hours of testing. In comparison uncoated ordinary rebars get fully rusted after 20 hours of exposure

    Site handling
  • Material to be handled using proper sling (use of nylon rope/belt at each stage of handling) is preferred) to avoid damage of packaging material.
  • It is advisable to store the material under shade by providing adequate dunnage underneath so that it is positively prevented against getting submerged (fully or partially) into the water puddle/muck/slushy soil
  • During storage, plasma rebars have to be positively prevented against coming in contact with rebars of any other quality.
  • Surface damage to the rebars at any stage of rebars must be avoided, adequate measures need to be taken to make sure that bundles are not dragged on rough surface to make dents on the rebar surface
  • Storage and transportation at all stages has to be positively ensure that the plastic or any other packaging layer stays intact at all stages of storage and handling
    Usage norms
  • Plasma rebars should not be mixed with normal rebars during construction of any structure as far sa possible i.e. if a column or beam or slab is being constructed, it is advised to use plasma rebars
  • The stirrups used in construction should also be plasma coated rebars.
  • The binding wires used should be GI wires
  • The sheer/cut-end of rebars is vulnerable to the process of rusting because it is uncoated. Therefore it is recommended to apply a cement slurry at the shear end (in the ratio cement:water = 1:3)

 

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500 D Tmt Rebars
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500 D Tmt Rebars

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Introduction

TATA Tiscon 500 D is a high strength ribbed TMT reinforcement bar. The consistency in strength across the rebar is maintained by reducing the impurities like Sulphur and Phosphorous to a level below 0.075%. '500' refers to the strength of the rebar in MPa and 'D' refers to ductility of the rebar. TATA Tiscon 500 D conforms to the latest standards last revision 2012 set by Bureau of Indian Standards BIS.

Specification

TATA Tiscon 500 D is manufactured through a superior quality and controlled steel making process to diminish the levels of impurities like Sulphur and Phosphorous. These impurities decrease the strength of steel in extreme hot and cold conditions. Therefore lower these values the better.

TATA Tiscon 500 D is available in sizes from 6mm to 40mm. A comparison chart on specifications of 500, 500 D and BIS standards is mentioned below –

BIS Specifications for Chemical Properties

Chemical Properties
(maximum)
Fe 500Fe 500-DTata TISCON 500 D
(Typical Maximum Values)*
% Carbon0.3000.2500.250
% Carbon Equivalent (CE)0.4200.4200.400
% Sulphur (S)0.0550.0400.035
% Phosphorus (P)0.0550.0400.035
% Sulphur & Phosphorus (S&P)0.1050.0750.070
% Nitrogen (PPM)120120120

BIS Specifications for Mechanical Properties
Mechanical Properties
(minimum)
Fe 500Fe 500-DTata TISCON 500 D
(Typical Maximum Values)*
Yield Stress- YS (N/mm2)500500500
Ultimate Tensile Stress- UTS (N/mm2)545565600
UTS/YS Ratio1.081.081.12

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Sd Rebars
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Sd Rebars

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Introduction

Buildings and infrastructure in seismic zones have to be better prepared for earthquakes and so have special criteria for reinforcement. TATA Tiscon SD rebars are special grade rebars from Tata Steel and are particularly suited to meet these requirements. Its superior properties provide extra safety to constructions in frequent earthquake zones. TATA Tiscon SD is available in sizes from 6mm to 32mm. A comparison chart on specifications of TATA Tiscon SD and BIS standards is mentioned below –

Mechanical Properties
(minimum)


BIS
1786
U.K
B.S.
4449/2005
Australia/
New Zealand
AS NZS
4671/2001
TATA Tiscon SD
YS Min. MPaFe-500500 B500 C500N500 EFE - 500 SD
500500500500500500
YS Max. MPaN.S.650650650600650
UTS Min.8% Higher than
YS
8% Higher than
YS
15% Higher than
YS
8% Higher than
YS
15% Higher than
YS
15% Higher than
YS
UTS Max.N.S.N.S.N.S.N.S.40% Higher than
YS
30% Higher than
YS
UTS/YS Min.1.081.081.151.081.151.15
% Total Elongation12.2
Min.
N.S.N.S.N.S.N.S.16.0
Min
% Elongation Upto UTSN.S.5.0
Min.
7.5
Min.
5.0
Min.
10.0
Min.
8.0
Min.
ApplicationGeneralGeneralE.Q.
Zone
GeneralE.Q.
Zone
E.Q.
Zone

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