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Description

International ISO ISO 4955 (2005), ISO 9327-5, ISO H15 Specialsteel Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO H15
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO H15 Austenite ISO International Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels

Chemical composition(mass fraction)(wt.%) of the ISO H15

C Si Mn P S Cr Ni
≤0.08 ≤1.50 ≤2.00 ≤0.045 ≤0.030 24.00 -26.00 19.00 -22.00

Mechanical Properties of steel grade ISO H15

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)
691 (≥) 917 (≥) 42 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade ISO H15

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
42 - -     0.24 -  
625 662 - 34.3 324   -  
551 - 14 41.2   442 423

Heat Treatment of steel grade ISO H15

Heat treated : 1871°C - 1985°C

Technological Curves of steel grade ISO H15

Relevant standard of ISO H15

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

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