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JIS SKD4

SKD4


SKD4 material is Hot-work die steel.

Chemical composition of SKD4, SKD4 mechanical properties, SKD4 datasheet, SKD4 equivalent grade, Heat treatment and temperature process of SKD4.


SKD4 property sheet

SKD4 Spec.

Related Materials

Chemical Composition of SKD4

C 0.25-0.35
Si Max 0.40
Mn Max 0.60
P Max 0.030
S Max 0.020
Cr 2.00-3.00
V 0.30-0.5
W 5.00-6.00

Mechanical Properties of SKD4

Rp0.2 (MPa) 383 (≥)
Rm (MPa) 755 (≥)
AKV (J) 14
A (%) 22
Z (%) 44
Hardness HBW 344

SKD4 shape and dimensions

SKD4 Round bar: 1mm-800mm
SKD4 Square bar: 10mm * 10mm-600mm *600mm
SKD4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SKD4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SKD4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SKD4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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