BT1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of BT1

Category

Contact

Tel:+86-816-3646575

Fax:+86-816-3639422

M/P:+86-15386639257

E-mail:sales@steelgs.com

B.S. BT1

Profile

This page is mainly introduced the BT1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of BT1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
W series high speed steel
  • Steel Garde:BT1
  • Type:Tool Steels & Die Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS 4659 High speed tool steel
  • Application:W series high speed steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 0.70  0.80
Si   0.40
Mn   0.40
Co   1.00
Cr 3.75  4.50
Mo   0.70
Ni   0.40
V 1.00  1.25
W 17.5  18.5
Cu   0.20
Sn   0.05

Mechanical Properties

Tensile strength 162~010 σb/MPa
Yield Strength 501 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 838~060 -
HRC 30 -

Physical Properties

Thermal expansion 39-07 e-6/K
Thermal conductivity 77-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1979-2397 째C
Density 1731-4732 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
BT1 Tool Steels & Die Steels Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

Hot keywords:BT1
Previous: 35CrMo8
Next: 26NiCrMoV14-5