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21C10BT

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India IS 21C10BT Steels for cold heading/cold extrusion application Part 1 Wrought carbon and low alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 21C10BT / 21C10BT
Category Grade Standard Region/Area Standard Content
Metals 21C10BT IS 11169-1 India Steels for cold heading/cold extrusion application Part 1 Wrought carbon and low alloy steels

Chemical composition(mass fraction)(wt.%) of the 21C10BT

Element Min Max Similar
V - 0.0500 -
Sn - 0.0200 -
Si 0.1500 0.3000 -
S - 0.0350 -
P - 0.0350 -
Other - 0.4000 -
Ni - 0.1500 -
Mo - 0.0500 -
Mn 0.8000 1.1000 -
Cu - 0.1500 -
Cr - 0.1500 -
C 0.1800 0.2300 -
B 0.0005 0.0030 -

Mechanical Properties of steel grade 21C10BT

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
447 (≥) 321 (≥) 24 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 21C10BT

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
32 - -     0.43 -  
824 836 - 31.3 433   -  
175 - 23 32.2   342 441

Heat Treatment of steel grade 21C10BT

Heat treated : 1951°C - 1621°C

Technological Curves of steel grade 21C10BT

Cross Reference Table (Equivalent Grade) of 21C10BT

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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