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E3 Application: carbide geological mining tools①
Category Type Steel grade Standard Country
Grades Special Alloy E3 JIS Japan

Chemical composition % of the ladle analysis of grade E3

W(%) Co(%)
90-93 7-10
E3
Hardness quartile HRA: 88
Bending strength frequency/MPa:1569
Mechanical properties of grade E3
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)
357 (≥) 181 (≥) 14 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Physical properties of grade E3
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
737 (≥) 194 (≥) 13 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
973 243 324
E3 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
A 240 S30940 JIS Japan
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30940 JIS Japan
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 S30940 JIS Japan
Stainless Steel Bars and Shapes
A 314 S30940 JIS Japan
Stainless Steel Billets and Bars for Forging
A 358 S30940 JIS Japan
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 S30940 JIS Japan
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 478 S30940 JIS Japan
Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 580 S30940 JIS Japan
Stainless Steel Wire
A 813 S30940 JIS Japan
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S30940 JIS Japan
Cold-Worked Welded Austenitic Stainless Steel Pipe
S30940 JIS Japan
Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel
SA 249 S30940 JIS Japan
Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
SA-240 S30940 JIS Japan
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-813 S30940 JIS Japan
Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe
SA-814 S30940 JIS Japan
Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe
A 240 S31040 JIS Japan
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S31040 JIS Japan
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 S31040 JIS Japan
Stainless Steel Bars and Shapes
A 358 S31040 JIS Japan
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 S31040 JIS Japan
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

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