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CR420/780TR

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China 鞍钢Q/ASB CR420/780TR 汽车用高强度冷连轧钢板和钢带 第6部分：相变诱导塑性钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CR420/780TR / CR420/780TR
Category Grade Standard Region/Area Standard Content
Metals CR420/780TR Q/ASB 89.6 China 汽车用高强度冷连轧钢板和钢带 第6部分：相变诱导塑性钢

Chemical composition(mass fraction)(wt.%) of the CR420/780TR

Element Min Max Similar
Al - 2.0000 -
S - 0.0150 -
P - 0.1200 -
Mn - 2.5000 -
Si - 2.2000 -
C - 0.3000 -

Mechanical Properties of steel grade CR420/780TR

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)
996 (≥) 661 (≥) 21 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade CR420/780TR

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 - -     0.41 -  
159 122 - 23.3 421   -  
141 - 44 33.2   221 213

Heat Treatment of steel grade CR420/780TR

Heat treated : 1492°C - 1318°C

Technological Curves of steel grade CR420/780TR

Cross Reference Table (Equivalent Grade) of CR420/780TR

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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