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S40Application:Carbide for cutting tools
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy S40AFNORFrance

Chemical composition%of the ladle analysis of gradeS40

Mechanical properties of gradeS40
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)
512(≥)328(≥)112222Solution and Aging,Annealing,Ausaging,Q+T,etc421
Physical properties of gradeS40
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
973(≥)183(≥)111123Solution and Aging,Annealing,Ausaging,Q+T,etc444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
884229812
S40Range 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 S40500AFNORFrance
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S40500AFNORFrance
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S40500AFNORFrance
Stainless Steel Bars and Shapes
A 473 S40500AFNORFrance
Stainless Steel Forgings
A 580 S40500AFNORFrance
Stainless Steel Wire
S40500AFNORFrance
Ferritic Chromium Stainless Steel
SA-240 S40500AFNORFrance
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S40500AFNORFrance
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 268 S40800AFNORFrance
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 959 S40800AFNORFrance
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S40800AFNORFrance
Ferritic Chromium Stainless Steel
SA-268 S40800AFNORFrance
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 240 S40900AFNORFrance
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S40900AFNORFrance
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 554 S40900AFNORFrance
Welded Stainless Steel Mechanical Tubing
S40900AFNORFrance
Ferritic Chromium Stainless Steel
SA-268 TP S40900AFNORFrance
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 493 S40940AFNORFrance
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
S40940AFNORFrance
Ferritic Chromium Stainless Steel with Columbium
A 176 S40945AFNORFrance
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip

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