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ISO 9A

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X14CrMoSi17 X17CrNi16-2
#ISO-9A

Description

International ISO ISO 15510 (2010), ISO/TS 15510 (2003), ISO 9A Specialsteel Stainless steels - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO 9A
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO 9A Martensite ISO International Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%) of the ISO 9A

C Si Mn P S Cr Ni Mo N
0.10 -0.17 ≤1.00 ≤1.50 ≤0.040 0.15 - ≥ 16.00 -18.00 ≤ ≥ ≤0.06 ≤ ≥

Mechanical Properties of steel grade ISO 9A

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)
556 (≥) 281 (≥) 33 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade ISO 9A

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
32 - -     0.41 -  
431 516 - 42.3 424   -  
266 - 21 32.2   214 122

Heat Treatment of steel grade ISO 9A

Heat treated : 1526°C - 1129°C

Technological Curves of steel grade ISO 9A

Relevant standard of ISO 9A

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
X14CrMoSi17 X17CrNi16-2
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