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ISO 8B

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X6CrMo17-1 X6CrMoNb17-1
#ISO-8B

Description

International ISO ISO 15510 (2010), ISO 16143-1 (2004), ISO 4955 (2005), ISO 9328-7 (2011), ISO/TS 15510 (2003), ISO 8B Specialsteel Stainless steels - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO 8B
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO 8B Ferrite ISO International Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%) of the ISO 8B

C Si Mn P S Cr Ni Mo N Ti
≤0.05 ≤1.00 ≤1.00 ≤0.040 ≤0.030 16.00 -19.00 ≤ ≥ 0.90 -1.40 ≤ ≥ 4×(C+N)％+0.20 -0.75

Mechanical Properties of steel grade ISO 8B

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)
621 (≥) 135 (≥) 24 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade ISO 8B

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
41 - -     0.34 -  
816 671 - 31.3 234   -  
561 - 43 13.2   323 332

Heat Treatment of steel grade ISO 8B

Heat treated : 1924°C - 1543°C

Technological Curves of steel grade ISO 8B

Relevant standard of ISO 8B

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 16143-1 (2004) Stainless steels for general purposes -- Part 1: Flat products ISO-16143-1-(2004).pdf
ISO 4955 (2005) Heat-resistant steels ISO-4955-(2005).pdf
ISO 9328-7 (2011) Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels ISO-9328-7-(2011).pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
X6CrMo17-1 X6CrMoNb17-1
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