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1.4550(AFNOR)

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X6CrNiNb18-10(AFNOR) X1CrNiMoN25-22-2
#1.4550

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)
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4550(AFNOR) AFNOR France Austenite
X2CrNiMo17-12-3
1.4423
X2CrNiMo18-14-3
X2CrNiMoN17-13-5
1.4439(AFNOR)
X1CrNiMoCu25-20-5
1.4539(AFNOR)
X1CrNi25-21
1.4335
X6CrNiNb18-10(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
X6CrNiNb18-10(AFNOR) X1CrNiMoN25-22-2
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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