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ISO 8

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X6Cr17 X7CrSi17
#ISO-8

Description

International ISO ISO 15510 (2010), ISO 16143-1 (2004), ISO 16143-2 (2004), ISO 16143-3 (2005), ISO 4955 (2005), ISO 6931-2, ISO/TS 15510 (2003), ISO 8 Specialsteel Stainless steels - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

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

C Si Mn P S Cr Ni Mo N
≤0.03 ≤1.00 ≤1.00 ≤0.040 ≤0.030 16.00 -18.00 ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade ISO 8

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)
199 (≥) 596 (≥) 21 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade ISO 8

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 - -     0.21 -  
173 825 - 24.3 234   -  
487 - 22 13.2   314 321

Heat Treatment of steel grade ISO 8

Heat treated : 1745°C - 1358°C

Technological Curves of steel grade ISO 8

Relevant standard of ISO 8

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 16143-2 (2004) Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections ISO-16143-2-(2004).pdf
ISO 16143-3 (2005) Stainless steels for general purposes -- Part 3: Wire ISO-16143-3-(2005).pdf
ISO 4955 (2005) Heat-resistant steels ISO-4955-(2005).pdf
ISO 6931-2 Stainless steels for springs - Part 2: Narrow strip ISO-6931-2.pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
X6Cr17 X7CrSi17
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