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K403


K403 material is Age hardening type Nickel base alloy.

Chemical composition of K403, K403 mechanical properties, K403 datasheet, K403 equivalent grade, Heat treatment and temperature process of K403.


K403 property sheet

K403 Spec.

Related Materials

Chemical Composition of K403

C 0.11-0.18
Si Max 0.5
Mn Max 0.5
P Max 0.02
S Max 0.01
Cr 10.0-12.0
Ni Balance
Mo 3.80-4.50
W 4.80-5.50
Co 4.50-6.00
B 0.012-0.022
Al 5.30-5.90
Ti 2.30-2.90
other Ce:Max 0.01,Zr: 0.03-0.08

Mechanical Properties of K403

Rp0.2 (MPa) 384 (≥)
Rm (MPa) 857 (≥)
AKV (J) 22
A (%) 44
Z (%) 43
Hardness HBW 414

K403 shape and dimensions

K403 Round bar: 1mm-800mm
K403 Square bar: 10mm * 10mm-600mm *600mm
K403 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
K403 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
K403 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
K403 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes