High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

ISO H20


ISO H20 material is ISO standard heat-resisting alloy.

Chemical composition of ISO H20, ISO H20 mechanical properties, ISO H20 datasheet, ISO H20 equivalent grade, Heat treatment and temperature process of ISO H20.


ISO H20 property sheet

ISO H20 Spec.

Chemical Composition of ISO H20

C Max 0.15
Si Max 0.5
Mn Max 1.0
P Max 0.015
S Max 0.015
Cr 14.0-17.0
Ni Min 72.0
Cu Max 0.5
Co Max 1.5
other Fe:6.0-10.0

Mechanical Properties of ISO H20

Rp0.2 (MPa) 694 (≥)
Rm (MPa) 968 (≥)
AKV (J) 22
A (%) 24
Z (%) 23
Hardness HBW 311

ISO H20 shape and dimensions

ISO H20 Round bar: 1mm-800mm
ISO H20 Square bar: 10mm * 10mm-600mm *600mm
ISO H20 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ISO H20 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ISO H20 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ISO H20 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes