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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

Pyromet 31


Pyromet 31 material is UNS SAE J 775 (2004) Engine poppet valve information report Engine poppet valve information report.

Chemical composition of Pyromet 31, Pyromet 31 mechanical properties, Pyromet 31 datasheet, Pyromet 31 equivalent grade, Heat treatment and temperature process of Pyromet 31.


Pyromet 31 property sheet

Pyromet 31 Spec.

UNS SAE J 775 (2004)
Engine poppet valve information report

Related Materials

Pyromet 31
Pyromet 31V

Chemical Composition of Pyromet 31

C: 0.03 0.06
Si: Max 0.20
Mn: Max 0.20
Cr: 22.00 23.00
Ni: 55.00 58.00
Mo: 1.70 2.30
Co: Max Min
W: Max Min
Al: 1.00 1.70
Cu: 0.60 1.20
Ti: 2.10 2.60
Fe: Max remaining
B: 0.003 0.007
P: Max 0.015
S: Max 0.015

Mechanical Properties of Pyromet 31

Rp0.2 (MPa) 343 (≥)
Rm (MPa) 287 (≥)
AKV (J) 43
A (%) 11
Z (%) 42
Hardness HBW 342

Pyromet 31 shape and dimensions

Pyromet 31 Round bar: 1mm-800mm
Pyromet 31 Square bar: 10mm * 10mm-600mm *600mm
Pyromet 31 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Pyromet 31 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Pyromet 31 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Pyromet 31 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes