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E 4318


E 4318 material is AMS SFA-5.1/SFA-5.1M Carbon Steel Electrodes for Shielded Metal Arc Welding Carbon Steel Electrodes for Shielded Metal Arc Welding.

Chemical composition of E 4318, E 4318 mechanical properties, E 4318 datasheet, E 4318 equivalent grade, Heat treatment and temperature process of E 4318.


E 4318 property sheet

E 4318 Spec.

AMS SFA-5.1/SFA-5.1M
Carbon Steel Electrodes for Shielded Metal Arc Welding

Chemical Composition of E 4318

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Ni: 13.00 15.00
Cr: 17.00 19.00
Al: Max Min
Cu: Max Min
Ti: Max Min
Fe: Max Min
N: Max Min
Mo: 1.75 2.75
V: Max Min

Mechanical Properties of E 4318

Rp0.2 (MPa) 581 (≥)
Rm (MPa) 662 (≥)
AKV (J) 32
A (%) 21
Z (%) 34
Hardness HBW 444

E 4318 shape and dimensions

E 4318 Round bar: 1mm-800mm
E 4318 Square bar: 10mm * 10mm-600mm *600mm
E 4318 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
E 4318 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
E 4318 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
E 4318 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes