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X8CrNiS18-9

Description

UK B.S. BS EN 10088-1, BS EN 10088-2, BS EN 10088-3, BS EN 10088-5, BS EN 10297-2 (2005), X8CrNiS18-9 Specialsteel Seamless 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: X8CrNiS18-9
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X8CrNiS18-9 Austenite B.S. UK Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(mass fraction)(wt.%) of the X8CrNiS18-9

C Si Mn P S Cr Ni Mo N Cu
≤0.10 ≤1.00 ≤2.00 ≤0.045 0.15 -0.35 17.00 -19.00 8.00 -10.00 ≤ ≥ ≤0.11 ≤0.10

Mechanical Properties of steel grade X8CrNiS18-9

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)
937 (≥) 682 (≥) 13 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade X8CrNiS18-9

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
31 - -     0.22 -  
466 598 - 44.3 213   -  
822 - 44 44.2   141 322

Heat Treatment of steel grade X8CrNiS18-9

Heat treated : 1379°C - 1639°C

Technological Curves of steel grade X8CrNiS18-9

Cross Reference Table (Equivalent Grade) of X8CrNiS18-9

Grade Standard Country Application
X8CrNiS18-9

Relevant standard of X8CrNiS18-9

BS EN 10088-1 Stainless steels - Part 1: List of stainless steels BS-EN-10088-1.pdf
BS EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes BS-EN-10088-2.pdf
BS EN 10088-3 Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes BS-EN-10088-3.pdf
BS EN 10088-5 Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes BS-EN-10088-5.pdf
BS EN 10297-2 (2005) Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel BS-EN-10297-2-(2005).pdf

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