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38CrMoAl

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China JB 38CrMoAl 大型合金钢锻件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38CrMoAl / 38CrMoAl
Category Grade Standard Region/Area Standard Content
Metals 38CrMoAl JB/T 6396 China 大型合金钢锻件技术条件

Chemical composition(mass fraction)(wt.%) of the 38CrMoAl

Element Min Max Similar
C 0.3500 0.4200 -
Si 0.2000 0.4000 -
Mn 0.3000 0.6000 -
P - 0.0350 -
S - 0.0300 -
Cr 1.3500 1.6500 -
Mo 0.1500 0.2500 -
Al 0.7000 1.1000 -
Ni - 0.3500 -
Cu - 0.2000 -
Al 0.7000 1.1000 -
Mo 0.1500 0.2500 -
Cr 1.3500 1.6500 -
S - 0.0350 -
P - 0.0350 -
Mn 0.3000 0.6000 -
Si 0.2000 0.4500 -
C 0.3500 0.4200 -

Mechanical Properties of steel grade 38CrMoAl

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)
269 (≥) 355 (≥) 24 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade 38CrMoAl

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
24 - -     0.33 -  
374 888 - 12.3 424   -  
634 - 33 11.2   111 312

Heat Treatment of steel grade 38CrMoAl

Heat treated : 1865°C - 1117°C

Technological Curves of steel grade 38CrMoAl

Cross Reference Table (Equivalent Grade) of 38CrMoAl

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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