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Description

International ISO ISO 4955, ISO/TS 15510 (2003), ISO 15510 (2010), ISO H2 Specialsteel Heat-resistant steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO H2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO H2 Ferrite ISO International Heat-resistant steels

Chemical composition(mass fraction)(wt.%) of the ISO H2

C Si Mn P S Cr Ni
≤0.08 ≤1.00 ≤1.00 ≤0.040 ≤0.030 12.00 -14.00 ≤1.00

Mechanical Properties of steel grade ISO H2

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)
678 (≥) 642 (≥) 23 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade ISO H2

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
22 - -     0.12 -  
724 559 - 22.3 311   -  
678 - 23 22.2   141 121

Heat Treatment of steel grade ISO H2

Heat treated : 1276°C - 1748°C

Technological Curves of steel grade ISO H2

Relevant standard of ISO H2

ISO 4955 Heat-resistant steels ISO-4955.pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf

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