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KS STD4

STD4


STD4 material is Carbide for cutting tools.

Chemical composition of STD4, STD4 mechanical properties, STD4 datasheet, STD4 equivalent grade, Heat treatment and temperature process of STD4.


STD4 property sheet

STD4 Spec.

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Chemical Composition of STD4

C 0.25-0.35
Si ≤0.40
Mn ≤0.60
Cr 2.00-3.00
V 0.30-0.50
W 5.00-6.00

Mechanical Properties of STD4

Rp0.2 (MPa) 589 (≥)
Rm (MPa) 331 (≥)
AKV (J) 43
A (%) 21
Z (%) 41
Hardness HBW 113

STD4 shape and dimensions

STD4 Round bar: 1mm-800mm
STD4 Square bar: 10mm * 10mm-600mm *600mm
STD4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STD4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STD4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STD4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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