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China 首钢Q/SG SPCG 冷轧低碳钢板及钢带 第4部分：日标牌号 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SPCG / SPCG
Category Grade Standard Region/Area Standard Content
Metals SPCG Q/SGZGS 324.4 China 冷轧低碳钢板及钢带 第4部分：日标牌号

Chemical composition(mass fraction)(wt.%) of the SPCG

Element Min Max Similar
C - 0.0200 -
Mn - 0.2500 -
P - 0.0200 -
S - 0.0200 -

Mechanical Properties of steel grade SPCG

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)
997 (≥) 726 (≥) 22 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade SPCG

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
11 - -     0.21 -  
724 545 - 32.3 422   -  
245 - 23 24.2   113 311

Heat Treatment of steel grade SPCG

Heat treated : 1827°C - 1663°C

Technological Curves of steel grade SPCG

Cross Reference Table (Equivalent Grade) of SPCG

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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