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SPFH540

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China 宝钢Q/BQB SPFH540 汽车结构用热连轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SPFH540 / SPFH540
Category Grade Standard Region/Area Standard Content
Metals SPFH540 Q/BQB 310 China 汽车结构用热连轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the SPFH540

Element Min Max Similar
S - 0.0250 -
P - 0.0250 -
Mn - 1.8000 -
Si - 0.5000 -
C - 0.1500 -

Mechanical Properties of steel grade SPFH540

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 (≥) 758 (≥) 23 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade SPFH540

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
21 - -     0.14 -  
261 928 - 43.3 413   -  
624 - 23 33.2   324 314

Heat Treatment of steel grade SPFH540

Heat treated : 1876°C - 1949°C

Technological Curves of steel grade SPFH540

Cross Reference Table (Equivalent Grade) of SPFH540

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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