High quality special steel supplier.Old rev.

  • Certified Company

    DNV&ABS

  • Certified Company

    ISO 9001:2008

  • R&D Production

    In China
Get a Quote

ASTM H21

H21


H21 material is Alloy tool steel.

Chemical composition of H21, H21 mechanical properties, H21 datasheet, H21 equivalent grade, Heat treatment and temperature process of H21.


H21 property sheet

H21 Spec.

Related Materials

GH2130
GH2132
GH2135
GH2136
03X21H21M4ΓБ
SUH21
ISO H21
H21
H21

Chemical Composition of H21

C 0.26～0.36
Si 0.15～0.50
Mn 0.15～0.40
P ≤0.030
S ≤0.030
Cr 3.00～3.75
V 0.30～0.60
W 8.50～10.0

Mechanical Properties of H21

Rp0.2 (MPa) 156 (≥)
Rm (MPa) 826 (≥)
AKV (J) 31
A (%) 44
Z (%) 12
Hardness HBW 424

H21 shape and dimensions

H21 Round bar: 1mm-800mm
H21 Square bar: 10mm * 10mm-600mm *600mm
H21 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
H21 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
H21 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
H21 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

H21 Relevant products

IncoloyA-286 / GH 2132

IncoloyA-286 / GH 2132

IncoloyA-286 GH 2132
IncoloyA-286 / GH 2132

IncoloyA-286 / GH 2132

IncoloyA-286 GH 2132
1.2581 Hot-Work Mould Steel

1.2581 Hot-Work Mould Steel

1 2581(H21, X30WCrV93, SKD5) Hot-Work Mould Steel proper...

Our Materials

Why Our Service?

Let’s Start Work
Together

Get a Quote

Quick Contact

  • Ph: +86-1388-0247-006
  • Email: sales@steelss.com

©Longhai Special Steel © 2005-2024