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HAP 70 Application:Powder metallurgy high-speed tool steel
Category Type Steel grade Standard Country
Grades Special Alloy HAP 70 AISI USA

Chemical composition % of the ladle analysis of grade HAP 70

C(%) Cr(%) Mo(%) V(%) W(%) Co(%)
2.00 4.0 10.0 4.5 12.0 12.0
HAP 70
Mechanical properties of grade HAP 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 Condition Brinell hardness (HBW)
944 (≥) 655 (≥) 41 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Physical properties of grade HAP 70
Property Density
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
236 (≥) 575 (≥) 24 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 144
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
882 822 933
HAP 70 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
GH3170 AISI USA
Iron-based superalloy
S47450 AISI USA
Steels of blade for steam turbine
S47670 AISI USA
Steels of blade for steam turbine
317 AISI USA
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
317 AISI USA
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
317 AISI USA
Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings
A 167 Type 317 AISI USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 182 F 317 AISI USA
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A 213 TP317 AISI USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 Type 317 AISI USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 317 AISI USA
Stainless Steel Bars and Shapes
A 314 317 AISI USA
Stainless Steel Billets and Bars for Forging
A 358 317 AISI USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 403 WP 317 AISI USA
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 409 TP317 AISI USA
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 317 AISI USA
Stainless Steel Forgings
A 511 MT317 AISI USA
Seamless Stainless Steel Mechanical Tubing
A 554 MT 317 AISI USA
Welded Stainless Steel Mechanical Tubing
A 580 Type 317 AISI USA
Stainless Steel Wire
A 632 Grade TP 317 AISI USA
Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service

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