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CR550/980DP

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China 鞍钢Q/ASB CR550/980DP 汽车用高强度冷连轧钢板和钢带 第2部分：双相钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CR550/980DP / CR550/980DP
Category Grade Standard Region/Area Standard Content
Metals CR550/980DP Q/ASB 89.2 China 汽车用高强度冷连轧钢板和钢带 第2部分：双相钢

Chemical composition(mass fraction)(wt.%) of the CR550/980DP

Element Min Max Similar
Al - 0.0800 -
S - 0.0150 -
P - 0.0350 -
Mn - 2.8000 -
Si - 1.2000 -
C - 0.2000 -

Mechanical Properties of steel grade CR550/980DP

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)
148 (≥) 972 (≥) 44 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade CR550/980DP

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
42 - -     0.14 -  
482 373 - 32.3 134   -  
242 - 34 32.2   134 134

Heat Treatment of steel grade CR550/980DP

Heat treated : 1144°C - 1992°C

Technological Curves of steel grade CR550/980DP

Cross Reference Table (Equivalent Grade) of CR550/980DP

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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