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AFNOR 38 C 4

Description

AFNOR AFNOR 38 C 4 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: AFNOR 38 C 4

Chemical composition(mass fraction)(wt.%) of the AFNOR 38 C 4

Element Weight %
C 0.29-0.35
Mn 0.50-0.90
Cr 0.65-1.10
P 0.035
S 0.040
Si 0.15-0.30

Mechanical Properties of steel grade AFNOR 38 C 4

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)
279 (≥) 813 (≥) 23 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade AFNOR 38 C 4

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
22 - -     0.14 -  
877 661 - 41.3 434   -  
256 - 32 41.2   321 343

Heat Treatment of steel grade AFNOR 38 C 4

Heat treated : 1577°C - 1637°C

Technological Curves of steel grade AFNOR 38 C 4

Cross Reference Table (Equivalent Grade) of AFNOR 38 C 4

Grade Standard Country Application
X20Cr13(AFNOR) AFNOR France Martensite And Precipitation Hardening
1.4439(AFNOR) AFNOR France Austenite
1.4539(AFNOR) AFNOR France Austenite
X6CrNiNb18-10(AFNOR) AFNOR France Austenite
1.4580(AFNOR) AFNOR France Austenite
1.4436(AFNOR) AFNOR France Austenite
1.4438(AFNOR) AFNOR France Austenite
1.4361(AFNOR) AFNOR France Austenite
1.4563(AFNOR) AFNOR France Austenite
1.4537(AFNOR) AFNOR France Austenite
1.4547(AFNOR) AFNOR France Austenite
X1NiCrMoCuN25-20-7(AFNOR) AFNOR France Austenite
X2CrNiN23-4(AFNOR) AFNOR France Austenitic-Ferrite
1.4362(AFNOR) AFNOR France Austenitic-Ferrite
1.4462(AFNOR) AFNOR France Austenitic-Ferrite
1.4507(AFNOR) AFNOR France Austenitic-Ferrite
1.4501(AFNOR) AFNOR France Austenitic-Ferrite
Q195 China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding

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