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ISO H18

Favorite Datasheet
X8NiCrAlTi32-21 NiCr15Fe8
#ISO-H18

Description

International ISO ISO 15510 (2010), ISO 16143-3 (2005), ISO 4955 (2005), ISO 9328-5, ISO 9328-7 (2011), ISO H18 Specialsteel Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO H18
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO H18 Austenite ISO International Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels

Chemical composition(mass fraction)(wt.%) of the ISO H18

C Si Mn P S Cr Ni Al Ti Cu
≤0.10 ≤1.00 ≤1.50 ≤0.015 ≤0.015 19.00 -23.00 30.00 -34.00 0.15 -0.60 0.15 -0.60 ≤0.70

Mechanical Properties of steel grade ISO H18

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)
976 (≥) 188 (≥) 24 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade ISO H18

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 - -     0.32 -  
528 188 - 21.3 422   -  
545 - 14 44.2   434 414

Heat Treatment of steel grade ISO H18

Heat treated : 1647°C - 1555°C

Technological Curves of steel grade ISO H18

Relevant standard of ISO H18

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 16143-3 (2005) Stainless steels for general purposes -- Part 3: Wire ISO-16143-3-(2005).pdf
ISO 4955 (2005) Heat-resistant steels ISO-4955-(2005).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 9328-7 (2011) Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels ISO-9328-7-(2011).pdf
X8NiCrAlTi32-21 NiCr15Fe8
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