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HAP 70Application:Powder metallurgy high-speed tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy HAP 70AISIUSA

Chemical composition%of the ladle analysis of gradeHAP 70

C(%)Cr(%)Mo(%)V(%)W(%)Co(%)
2.004.010.04.512.012.0
HAP 70
Mechanical properties of gradeHAP 70
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)
154(≥)857(≥)224443Solution and Aging,Annealing,Ausaging,Q+T,etc222
Physical properties of gradeHAP 70
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
117(≥)621(≥)414311Solution and Aging,Annealing,Ausaging,Q+T,etc413
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
359999884
HAP 70Range 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
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
GH3170AISIUSA
Iron-based superalloy
S47450AISIUSA
Steels of blade for steam turbine
S47670AISIUSA
Steels of blade for steam turbine
317AISIUSA
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
317AISIUSA
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
317AISIUSA
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
A 167 Type 317AISIUSA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 182 F 317AISIUSA
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A 213 TP317AISIUSA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 Type 317AISIUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 317AISIUSA
Stainless Steel Bars and Shapes
A 314 317AISIUSA
Stainless Steel Billets and Bars for Forging
A 358 317AISIUSA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 403 WP 317AISIUSA
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 409 TP317AISIUSA
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 317AISIUSA
Stainless Steel Forgings
A 511 MT317AISIUSA
Seamless Stainless Steel Mechanical Tubing
A 554 MT 317AISIUSA
Welded Stainless Steel Mechanical Tubing
A 580 Type 317AISIUSA
Stainless Steel Wire
A 632 Grade TP 317AISIUSA
Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service

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