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X8CrNi25-21

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1.4854 1.4845
#X8CrNi25-21 #1-4845

Description

UK B.S. BS EN 10088-1, BS EN 10095, BS EN 10296-2 (2005), BS EN 10297-2 (2005), X8CrNi25-21 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: X8CrNi25-21
Category Class Grade Standard Country Application
Steel GradesSpecialsteel X8CrNi25-21 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 X8CrNi25-21

C Si Mn P S Cr Ni Al N
≤0.10 ≤1.50 ≤2.00 ≤0.045 ≤0.015 24.00 -26.00 19.00 -22.00 ≤ ≥ ≤0.11

Mechanical Properties of steel grade X8CrNi25-21

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)
548 (≥) 293 (≥) 31 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade X8CrNi25-21

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
42 - -     0.33 -  
758 959 - 24.3 241   -  
828 - 43 11.2   431 124

Heat Treatment of steel grade X8CrNi25-21

Heat treated : 1529°C - 1973°C

Technological Curves of steel grade X8CrNi25-21

Relevant standard of X8CrNi25-21

BS EN 10088-1 Stainless steels - Part 1: List of stainless steels BS-EN-10088-1.pdf
BS EN 10095 Heat resisting steels and nickel alloys BS-EN-10095.pdf
BS EN 10296-2 (2005) Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel BS-EN-10296-2-(2005).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
1.4854 1.4845
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