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BT1Application:Carbide for cutting tools
CategoryTypeSteel gradeCountry
Grades Special Alloy BT1UK

Chemical composition%of the ladle analysis of gradeBT1

C(%)Si(%)Mn(%)Cr(%)Ni(%)Mo(%)V(%)W(%)Co(%)Other(%)
0.70-0.80≤0.40≤0.403.75-4.50≤0.40≤0.701.00-1.2517.5-18.5≤1.00Cu≤0.20,Sn≤0.05
Mechanical properties of gradeBT1
Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
791(≥)238(≥)234122Solution and Aging,Annealing,Ausaging,Q+T,etc413
Physical properties of gradeBT1
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
426(≥)998(≥)242423Solution and Aging,Annealing,Ausaging,Q+T,etc414
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
593426539
BT1Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED

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