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ISO 21


ISO 21 material is ISO ISO 15510 (2010) Stainless steels -- Chemical composition ISO ISO 16143-1 (2004) Stainless steels for general purposes -- Part 1: Flat products ISO ISO 16143-2 (2004) Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections ISO ISO 16143-3 (2005) Stainless steels for general purposes -- Part 3: Wire ISO ISO 9328-7 (2011) Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels ISO ISO/TS 15510 (2003) Stainless steels - Chemical composition Stainless steels - Chemical composition.

Chemical composition of ISO 21, ISO 21 mechanical properties, ISO 21 datasheet, ISO 21 equivalent grade, Heat treatment and temperature process of ISO 21.


ISO 21 property sheet

ISO 21 Spec.

ISO ISO 15510 (2010)
Stainless steels -- Chemical composition
ISO ISO 16143-1 (2004)
Stainless steels for general purposes -- Part 1: Flat products
ISO ISO 16143-2 (2004)
Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections
ISO ISO 16143-3 (2005)
Stainless steels for general purposes -- Part 3: Wire
ISO ISO 9328-7 (2011)
Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
ISO ISO/TS 15510 (2003)
Stainless steels - Chemical composition

Related Materials

ISO 21

Chemical Composition of ISO 21

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.030
Cr: 16.50 18.50
Ni: 10.50 13.50
Mo: 2.00 2.50
N: Max Min
Ti: 5×C% 0.60

Mechanical Properties of ISO 21

Rp0.2 (MPa) 699 (≥)
Rm (MPa) 756 (≥)
AKV (J) 44
A (%) 14
Z (%) 42
Hardness HBW 424

ISO 21 shape and dimensions

ISO 21 Round bar: 1mm-800mm
ISO 21 Square bar: 10mm * 10mm-600mm *600mm
ISO 21 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ISO 21 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ISO 21 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ISO 21 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes