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C81U


C81U material is Spain structural alloy steel.

Chemical composition of C81U, C81U mechanical properties, C81U datasheet, C81U equivalent grade, Heat treatment and temperature process of C81U.


C81U property sheet

C81U Spec.

Related Materials

Chemical Composition of C81U

C 0.75-0.84
Si 0.15-0.35
Mn 0.60-0.80
P 0.025
S 0.020
Cr Max 0.25
Ni Max 0.25

Mechanical Properties of C81U

Rp0.2 (MPa) 343 (≥)
Rm (MPa) 198 (≥)
AKV (J) 43
A (%) 33
Z (%) 22
Hardness HBW 124

C81U shape and dimensions

C81U Round bar: 1mm-800mm
C81U Square bar: 10mm * 10mm-600mm *600mm
C81U Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
C81U Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
C81U Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
C81U Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes