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CR420/780TRIP

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China 攀钢西昌钢钒QJ/XC CR420/780TRIP 冷连轧相变诱导塑性钢板和钢带技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CR420/780TRIP / CR420/780TRIP
Category Grade Standard Region/Area Standard Content
Metals CR420/780TRIP QJ/XC3.051 China 冷连轧相变诱导塑性钢板和钢带技术条件

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

Element Min Max Similar
Cu - 0.2000 -
Ni+Cr+Mo - 1.5000 -
Al 0.0200 - -
S - 0.0150 -
P - 0.1200 -
Mn - 2.5000 -
Si - 2.2000 -
C - 0.3000 -

Mechanical Properties of steel grade CR420/780TRIP

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)
545 (≥) 963 (≥) 12 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade CR420/780TRIP

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
41 - -     0.43 -  
237 579 - 44.3 112   -  
474 - 32 44.2   123 321

Heat Treatment of steel grade CR420/780TRIP

Heat treated : 1229°C - 1871°C

Technological Curves of steel grade CR420/780TRIP

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

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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