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ISO H18


ISO H18 material is ISO standard Austenite size heat resistant steel.

Chemical composition of ISO H18, ISO H18 mechanical properties, ISO H18 datasheet, ISO H18 equivalent grade, Heat treatment and temperature process of ISO H18.


ISO H18 property sheet

ISO H18 Spec.

Related Materials

10X23H18
20X23H18
ISO H18
Incoloy 800

Chemical Composition of ISO H18

C Max 0.10
Si Max 1.0
Mn Max 1.5
P Max 0.015
S Max 0.015
Cr 19.0-23.0
Ni 30.0-34.0
Cu Max 0.7
Pb Max 0.005
Al 0.15-0.60
Ti 0.15-0.60
other Sn: Max 0.025

Mechanical Properties of ISO H18

Rp0.2 (MPa) 347 (≥)
Rm (MPa) 526 (≥)
AKV (J) 21
A (%) 21
Z (%) 41
Hardness HBW 112

ISO H18 shape and dimensions

ISO H18 Round bar: 1mm-800mm
ISO H18 Square bar: 10mm * 10mm-600mm *600mm
ISO H18 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ISO H18 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ISO H18 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ISO H18 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

ISO H18 Relevant products

Incoloy800 round bar

Incoloy800 round bar

Incoloy800 round bar
Incoloy800 round bar

Incoloy800 round bar

Incoloy800 round bar