Home»Grades > Special Alloy > BP20
BP20Application:Carbide for cutting tools
CategoryTypeSteel gradeCountry
Grades Special Alloy BP20UK

Chemical composition%of the ladle analysis of gradeBP20

C(%)Si(%)Mn(%)Cr(%)Ni(%)Mo(%)Other(%)
0.28-0.400.40-0.600.65-0.951.50-1.80≤0.400.35-0.55Cu≤0.20,Sn≤0.05
Mechanical properties of gradeBP20
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)
989(≥)579(≥)311111Solution and Aging,Annealing,Ausaging,Q+T,etc421
Physical properties of gradeBP20
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
964(≥)872(≥)314123Solution and Aging,Annealing,Ausaging,Q+T,etc134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
371311583
BP20Range 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

Enquiry