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ISO H7

Favorite Datasheet
X15CrN26 X7CrNi18-9
#ISO-H7

Description

International ISO ISO 15510 (2010), ISO 4955 (2005), ISO 16143-3 (2005), ISO H7 Specialsteel Heat-resistant steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO H7
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO H7 Ferrite ISO International Heat-resistant steels

Chemical composition(mass fraction)(wt.%) of the ISO H7

C Si Mn P S Cr Ni N
≤0.20 ≤1.00 ≤1.00 ≤0.040 ≤0.030 24.00 -28.00 ≤1.00 0.15 -0.25

Mechanical Properties of steel grade ISO H7

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)
216 (≥) 189 (≥) 23 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade ISO H7

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
31 - -     0.41 -  
748 339 - 13.3 433   -  
248 - 31 22.2   322 241

Heat Treatment of steel grade ISO H7

Heat treated : 1346°C - 1133°C

Technological Curves of steel grade ISO H7

Relevant standard of ISO H7

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 4955 (2005) Heat-resistant steels ISO-4955-(2005).pdf
ISO 16143-3 (2005) Stainless steels for general purposes -- Part 3: Wire ISO-16143-3-(2005).pdf
X15CrN26 X7CrNi18-9
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