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X2CrNiN18-7

Description

France AFNOR NF EN 10028-7, NF EN 10088-1, NF EN 10088-2, NF EN 10088-4, NF EN 10296-2 (2005), X2CrNiN18-7 Specialsteel Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X2CrNiN18-7
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X2CrNiN18-7 Austenite AFNOR France Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(mass fraction)(wt.%) of the X2CrNiN18-7

C Si Mn P S Cr Mo Ni N
≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.015 16.50 -18.50 ≤ ≥ 6.00 -8.00 0.10 -0.20

Mechanical Properties of steel grade X2CrNiN18-7

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)
764 (≥) 728 (≥) 34 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade X2CrNiN18-7

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 - -     0.43 -  
757 235 - 32.3 341   -  
251 - 22 14.2   141 442

Heat Treatment of steel grade X2CrNiN18-7

Heat treated : 1727°C - 1978°C

Technological Curves of steel grade X2CrNiN18-7

Cross Reference Table (Equivalent Grade) of X2CrNiN18-7

Grade Standard Country Application
X2CrNiN18-7
X2CrNiN18-7
X2CrNiN18-7
X2CrNiN18-7

Relevant standard of X2CrNiN18-7

NF EN 10028-7 Flat products made of steels for pressure purposes - Part 7: Stainless steels NF-EN-10028-7.pdf
NF EN 10088-1 Stainless steels - Part 1: List of stainless steels NF-EN-10088-1.pdf
NF EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes NF-EN-10088-2.pdf
NF EN 10088-4 Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes NF-EN-10088-4.pdf
NF EN 10296-2 (2005) Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel NF-EN-10296-2-(2005).pdf

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