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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

ISO 20A


ISO 20A 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 6931-1 (1994) Stainless steels for springs - Part 1: Wire ISO ISO 6931-2 (2005) Stainless steels for springs - Part 2: Narrow strip 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 20A, ISO 20A mechanical properties, ISO 20A datasheet, ISO 20A equivalent grade, Heat treatment and temperature process of ISO 20A.


ISO 20A property sheet

ISO 20A 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 6931-1 (1994)
Stainless steels for springs - Part 1: Wire
ISO ISO 6931-2 (2005)
Stainless steels for springs - Part 2: Narrow strip
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 20A

Chemical Composition of ISO 20A

C: Max 0.07
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.030
Cr: 16.50 18.50
Ni: 10.50 13.00
Mo: 2.50 3.00
N: Max 0.11

Mechanical Properties of ISO 20A

Rp0.2 (MPa) 533 (≥)
Rm (MPa) 672 (≥)
AKV (J) 24
A (%) 24
Z (%) 22
Hardness HBW 442

ISO 20A shape and dimensions

ISO 20A Round bar: 1mm-800mm
ISO 20A Square bar: 10mm * 10mm-600mm *600mm
ISO 20A Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ISO 20A Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ISO 20A Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ISO 20A Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes