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ER 308


ER 308 material is International A5.9/A5.9M Bare Stainless Steel Welding Electrodes and Rods Bare Stainless Steel Welding Electrodes and Rods.

Chemical composition of ER 308, ER 308 mechanical properties, ER 308 datasheet, ER 308 equivalent grade, Heat treatment and temperature process of ER 308.


ER 308 property sheet

ER 308 Spec.

International A5.9/A5.9M
Bare Stainless Steel Welding Electrodes and Rods

Chemical Composition of ER 308

C: Max 0.08
Si: 0.25 0.60
Mn: 1.00 2.50
P: Max 0.03
S: Max 0.03
Cr: 19.5 22.0
Ni: 9.00 11.0
Cu: Max 0.75
Mo: Max 0.75

Mechanical Properties of ER 308

Rp0.2 (MPa) 563 (≥)
Rm (MPa) 284 (≥)
AKV (J) 12
A (%) 32
Z (%) 33
Hardness HBW 441

ER 308 shape and dimensions

ER 308 Round bar: 1mm-800mm
ER 308 Square bar: 10mm * 10mm-600mm *600mm
ER 308 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ER 308 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ER 308 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ER 308 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes