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ISO H12


ISO H12 material is ISO standard Austenite size heat resistant steel.

Chemical composition of ISO H12, ISO H12 mechanical properties, ISO H12 datasheet, ISO H12 equivalent grade, Heat treatment and temperature process of ISO H12.


ISO H12 property sheet

ISO H12 Spec.

Chemical Composition of ISO H12

C Max 0.10
Si Max 1.0
Mn Max 1.00
P Max 0.045
S Max 0.030
Cr 17.0-19.0
Ni 9.0-12.0
Nb 10x%C≤1.2

Mechanical Properties of ISO H12

Rp0.2 (MPa) 473 (≥)
Rm (MPa) 973 (≥)
AKV (J) 31
A (%) 41
Z (%) 32
Hardness HBW 334

ISO H12 shape and dimensions

ISO H12 Round bar: 1mm-800mm
ISO H12 Square bar: 10mm * 10mm-600mm *600mm
ISO H12 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ISO H12 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ISO H12 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ISO H12 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes