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38CrMoAlA

Favorite Datasheet

China JB 38CrMoAlA 机床零件热处理技术条件 第5部分：渗氮、氮碳共渗 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38CrMoAlA / 38CrMoAlA
Category Grade Standard Region/Area Standard Content
Metals 38CrMoAlA JB/T 8491.5 China 机床零件热处理技术条件 第5部分：渗氮、氮碳共渗

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

Element Min Max Similar

Mechanical Properties of steel grade 38CrMoAlA

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)
288 (≥) 516 (≥) 21 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 38CrMoAlA

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
41 - -     0.13 -  
774 815 - 42.3 344   -  
635 - 24 32.2   221 214

Heat Treatment of steel grade 38CrMoAlA

Heat treated : 1563°C - 1783°C

Technological Curves of steel grade 38CrMoAlA

Cross Reference Table (Equivalent Grade) of 38CrMoAlA

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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