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ISO H12

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X7CrNiNb18-10 X15CrNiSi20-12
#ISO-H12

Description

International ISO ISO 15510 (2010), ISO 4955 (2005), ISO 9327-5, ISO 9328-5, ISO/TS 15510 (2003), ISO H12 Specialsteel Stainless steels - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO H12
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO H12 Austenite ISO International Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%) of the ISO H12

C Si Mn P S Cr Ni Nb
≤0.10 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00 -19.00 9.00 -12.00 10×C％ -1.20

Mechanical Properties of steel grade ISO H12

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)
997 (≥) 647 (≥) 12 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade ISO H12

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
44 - -     0.13 -  
366 768 - 34.3 241   -  
787 - 24 44.2   144 114

Heat Treatment of steel grade ISO H12

Heat treated : 1278°C - 1465°C

Technological Curves of steel grade ISO H12

Relevant standard of ISO H12

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 4955 (2005) Heat-resistant steels ISO-4955-(2005).pdf
ISO 9327-5 Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels ISO-9327-5.pdf
ISO 9328-5 Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled ISO-9328-5.pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
X7CrNiNb18-10 X15CrNiSi20-12
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