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BM4

BM4


BM4 material is Carbide for cutting tools.

Chemical composition of BM4, BM4 mechanical properties, BM4 datasheet, BM4 equivalent grade, Heat treatment and temperature process of BM4.


BM4 property sheet

BM4 Spec.

Related Materials

10X15H28BM4Б

Chemical Composition of BM4

C 1.25-1.40
Si ≤0.40
Mn ≤0.40
Cr ≤1.00
Ni ≤0.40
Mo 4.25-5.00
V 3.75-4.25
W 5.75-6.50
Co ≤1.00
other Cu≤0.20,Sn≤0.05

Mechanical Properties of BM4

Rp0.2 (MPa) 588 (≥)
Rm (MPa) 833 (≥)
AKV (J) 31
A (%) 34
Z (%) 34
Hardness HBW 312

BM4 shape and dimensions

BM4 Round bar: 1mm-800mm
BM4 Square bar: 10mm * 10mm-600mm *600mm
BM4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
BM4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
BM4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
BM4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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