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BT4

BT4


BT4 material is Carbide for cutting tools.

Chemical composition of BT4, BT4 mechanical properties, BT4 datasheet, BT4 equivalent grade, Heat treatment and temperature process of BT4.


BT4 property sheet

BT4 Spec.

Related Materials

Chemical Composition of BT4

C 0.75-0.85
Si ≤0.40
Mn ≤0.40
Cr 3.75-4.50
Ni ≤0.40
Mo ≤1.00
V 1.75-2.05
W 18.5-19.5
Co 9.00-10.0
other Cu≤0.20,Sn≤0.05

Mechanical Properties of BT4

Rp0.2 (MPa) 925 (≥)
Rm (MPa) 845 (≥)
AKV (J) 41
A (%) 21
Z (%) 32
Hardness HBW 234

BT4 shape and dimensions

BT4 Round bar: 1mm-800mm
BT4 Square bar: 10mm * 10mm-600mm *600mm
BT4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
BT4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
BT4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
BT4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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