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750L

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China GB 750L 汽车大梁用热轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 750L / 750L
Category Grade Standard Region/Area Standard Content
Metals 750L GB/T 3273 China 汽车大梁用热轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the 750L

Element Min Max Similar
Al 0.0150 - -
S - 0.0150 -
P - 0.0250 -
Mn - 2.1000 -
Si - 0.6000 -
C - 0.1200 -

Mechanical Properties of steel grade 750L

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)
135 (≥) 239 (≥) 32 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 750L

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 - -     0.43 -  
914 612 - 34.3 321   -  
123 - 44 43.2   321 331

Heat Treatment of steel grade 750L

Heat treated : 1975°C - 1455°C

Technological Curves of steel grade 750L

Cross Reference Table (Equivalent Grade) of 750L

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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