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E3Application: carbide geological mining tools①
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy E3JISJapan

Chemical composition%of the ladle analysis of gradeE3

W(%)Co(%)
90-93 7-10
E3
Hardness quartile HRA: 88
Bending strength frequency/MPa:1569
Mechanical properties of gradeE3
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)
713(≥)489(≥)424143Solution and Aging,Annealing,Ausaging,Q+T,etc113
Physical properties of gradeE3
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
998(≥)717(≥)331234Solution and Aging,Annealing,Ausaging,Q+T,etc442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
946566722
E3Range 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
A 240 S30940JISJapan
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30940JISJapan
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 S30940JISJapan
Stainless Steel Bars and Shapes
A 314 S30940JISJapan
Stainless Steel Billets and Bars for Forging
A 358 S30940JISJapan
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 S30940JISJapan
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 478 S30940JISJapan
Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 580 S30940JISJapan
Stainless Steel Wire
A 813 S30940JISJapan
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S30940JISJapan
Cold-Worked Welded Austenitic Stainless Steel Pipe
S30940JISJapan
Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel
SA 249 S30940JISJapan
Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
SA-240 S30940JISJapan
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-813 S30940JISJapan
Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe
SA-814 S30940JISJapan
Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe
A 240 S31040JISJapan
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S31040JISJapan
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 S31040JISJapan
Stainless Steel Bars and Shapes
A 358 S31040JISJapan
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 S31040JISJapan
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

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