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ISO 8A

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X7CrSi17 X6CrMo17-1
#ISO-8A

Description

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

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

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

C Si Mn P S Cr Ni Mo N
≤0.09 ≤1.50 ≤1.50 ≤0.040 0.15 - ≥ 16.00 -18.00 ≤ ≥ ≤0.60 ≤ ≥

Mechanical Properties of steel grade ISO 8A

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)
588 (≥) 528 (≥) 14 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade ISO 8A

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
34 - -     0.12 -  
528 196 - 41.3 431   -  
141 - 42 41.2   121 332

Heat Treatment of steel grade ISO 8A

Heat treated : 1819°C - 1642°C

Technological Curves of steel grade ISO 8A

Relevant standard of ISO 8A

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).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/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
X7CrSi17 X6CrMo17-1
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