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1.4550

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X6CrNiNbl8-10 X6CrNiM0Nbl7-12-2
#1.4550

Description

UK 1.4550 and 1.4550 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4550
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4550 UK
X3CrNiM017-13-3
1.4435
X2CrNiM0l8-14-3
1.4439
X2CrNiM0Nl7-13-5
1.4567
X3CrNiCul8-9-4
X1NiCrM0Cu25-20-5
1.4539
X6CrNiNbl8-10

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Other(%)
Max 0.080 Max 1.00 Max 2.00 Max 0.045 Max 0.015 17.0-19.0 9.00-12.0 Nb+Ta 10×C Max 1.00

Mechanical Properties of steel grade 1.4550

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)
413 (≥) 572 (≥) 33 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 1.4550

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
24 - -     0.24 -  
812 794 - 14.3 442   -  
148 - 14 41.2   322 424

Heat Treatment of steel grade 1.4550

Heat treated : 1798°C - 1845°C

Technological Curves of steel grade 1.4550

Cross Reference Table (Equivalent Grade) of 1.4550

Grade Standard Country Application
W-Nr 1.4550 DIN Germany Stainless steel
1.4550 UK
1.4550(AFNOR) AFNOR France Austenite
X6CrNiNbl8-10 X6CrNiM0Nbl7-12-2
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Jiangyou Longhai Special Steel Co.,Ltd.
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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