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XM-18


XM-18 material is UNS SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels Chemical compositions of SAE wrought stainless steels.

Chemical composition of XM-18, XM-18 mechanical properties, XM-18 datasheet, XM-18 equivalent grade, Heat treatment and temperature process of XM-18.


XM-18 property sheet

XM-18 Spec.

UNS SAE J 405 (1998)
Chemical compositions of SAE wrought stainless steels

Chemical Composition of XM-18

C: Max 0.03
Si: Max 0.75
Mn: 7.50 9.00
P: Max 0.045
S: Max 0.03
Cr: 17.5 22.0
Ni: 5.00 7.00
Mo: 2.00 3.00
N: 0.25 0.50

Mechanical Properties of XM-18

Rp0.2 (MPa) 849 (≥)
Rm (MPa) 119 (≥)
AKV (J) 42
A (%) 13
Z (%) 32
Hardness HBW 324

XM-18 shape and dimensions

XM-18 Round bar: 1mm-800mm
XM-18 Square bar: 10mm * 10mm-600mm *600mm
XM-18 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
XM-18 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
XM-18 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
XM-18 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes