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1.4438(AFNOR)

Description

France AFNOR 1.4438(AFNOR) Austenite and 1.4438(AFNOR) Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4438(AFNOR)
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4438(AFNOR) AFNOR France Austenite
1.4466
X6CrNiMoN17-12-2
1.4580(AFNOR)
X2CrNiMoN17-13-3
1.4429(AFNOR)
X3CrNiMo17-13-3
1.4436(AFNOR)
X2CrNiMoN18-12-4
1.4434
X2CrNiMo18-15-4

Chemical composition(mass fraction)(wt.%) of the 1.4438(AFNOR)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%)
Max 0.030 Max 1.00 Max 2.00 Max 0.045 Max 0.015 17.50-19.50 13.00-16.00 3.00-4.00 Max 0.11

Mechanical Properties of steel grade 1.4438(AFNOR)

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)
115 (≥) 697 (≥) 14 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 1.4438(AFNOR)

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 - -     0.24 -  
996 132 - 23.3 443   -  
227 - 44 24.2   142 114

Heat Treatment of steel grade 1.4438(AFNOR)

Heat treated : 1678°C - 1979°C

Technological Curves of steel grade 1.4438(AFNOR)

Cross Reference Table (Equivalent Grade) of 1.4438(AFNOR)

Grade Standard Country Application
1.4438 UK austenitic special steel
1.4438(AFNOR) AFNOR France Austenite
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
1.4361(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

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