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EX 45


EX 45 material is SAE SAE J 1249 (2000) Former SAE standard and former SAE Ex-steels Former SAE standard and former SAE Ex-steels.

Chemical composition of EX 45, EX 45 mechanical properties, EX 45 datasheet, EX 45 equivalent grade, Heat treatment and temperature process of EX 45.


EX 45 property sheet

EX 45 Spec.

SAE SAE J 1249 (2000)
Former SAE standard and former SAE Ex-steels

Related Materials

EX 45

Chemical Composition of EX 45

C: Max 0.25
Si: Max Min
Mn: Max Min
Cr: Max 25.50
Ni: Max 10.50
Mo: Max Min
Co: Max 55.00
W: Max 7.00
Al: Max Min
Cu: Max Min
Ti: Max Min
Fe: Max 2.00
B: Max 0.01

Mechanical Properties of EX 45

Rp0.2 (MPa) 889 (≥)
Rm (MPa) 769 (≥)
AKV (J) 11
A (%) 31
Z (%) 32
Hardness HBW 344

EX 45 shape and dimensions

EX 45 Round bar: 1mm-800mm
EX 45 Square bar: 10mm * 10mm-600mm *600mm
EX 45 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
EX 45 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
EX 45 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
EX 45 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes