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BR650/780CP

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China 宝钢Q/BQB BR650/780CP 冷成形用先进高强度热连轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BR650/780CP / BR650/780CP
Category Grade Standard Region/Area Standard Content
Metals BR650/780CP Q/BQB 312 China 冷成形用先进高强度热连轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the BR650/780CP

Element Min Max Similar
Cu - 0.2000 -
Al 0.0100 - -
S - 0.0150 -
P - 0.0500 -
Mn - 2.2000 -
Si - 2.0000 -
C - 0.2500 -

Mechanical Properties of steel grade BR650/780CP

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)
212 (≥) 741 (≥) 24 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade BR650/780CP

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
31 - -     0.44 -  
757 472 - 31.3 311   -  
944 - 42 24.2   142 141

Heat Treatment of steel grade BR650/780CP

Heat treated : 1911°C - 1111°C

Technological Curves of steel grade BR650/780CP

Cross Reference Table (Equivalent Grade) of BR650/780CP

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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