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1.4550(AFNOR)

Description

France AFNOR 1.4550(AFNOR) Austenite and 1.4550(AFNOR) Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4550(AFNOR)

Chemical composition(mass fraction)(wt.%) of the 1.4550(AFNOR)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Nb(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.045 Max 0.015 17.00-19.00 9.00-12.00 10xC-1.00

Mechanical Properties of steel grade 1.4550(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)
537 (≥) 374 (≥) 24 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 1.4550(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
12 - -     0.14 -  
173 478 - 33.3 234   -  
466 - 23 12.2   114 124

Heat Treatment of steel grade 1.4550(AFNOR)

Heat treated : 1652°C - 1855°C

Technological Curves of steel grade 1.4550(AFNOR)

Cross Reference Table (Equivalent Grade) of 1.4550(AFNOR)

Grade Standard Country Application
W-Nr 1.4550 DIN Germany Stainless steel
1.4550 UK
1.4550(AFNOR) AFNOR France Austenite

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