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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

ISO H1


ISO H1 material is ISO ISO 4955 Heat-resistant steels ISO ISO/TS 15510 (2003) Stainless steels - Chemical composition Stainless steels - Chemical composition.

Chemical composition of ISO H1, ISO H1 mechanical properties, ISO H1 datasheet, ISO H1 equivalent grade, Heat treatment and temperature process of ISO H1.


ISO H1 property sheet

ISO H1 Spec.

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

Chemical Composition of ISO H1

C: Max 0.08
Si: Max 1.00
Mn: Max 1.00
P: Max 0.040
S: Max 0.030
Cr: 10.50 12.50
Ni: Max 1.00
Ti: 6×C% 1.00

Mechanical Properties of ISO H1

Rp0.2 (MPa) 917 (≥)
Rm (MPa) 246 (≥)
AKV (J) 21
A (%) 33
Z (%) 13
Hardness HBW 343

ISO H1 shape and dimensions

ISO H1 Round bar: 1mm-800mm
ISO H1 Square bar: 10mm * 10mm-600mm *600mm
ISO H1 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ISO H1 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ISO H1 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ISO H1 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes