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S4Application:Alloy tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy S4ASTMUSA

Chemical composition%of the ladle analysis of gradeS4

C(％)Si(％)Mn(％)P(％)S(％)Cr(％)V(%)
0.50～0.651.75～2.250.60～0.95≤0.030≤0.0300.10～0.500.15～0.35
S4
Mechanical properties of gradeS4
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)
769(≥)687(≥)142342Solution and Aging,Annealing,Ausaging,Q+T,etc413
Physical properties of gradeS4
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
386(≥)286(≥)324411Solution and Aging,Annealing,Ausaging,Q+T,etc312
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
545148919
S4Range 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
S47450ASTMUSA
Steels of blade for steam turbine
S47670ASTMUSA
Steels of blade for steam turbine
A 240 S40500ASTMUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S40500ASTMUSA
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S40500ASTMUSA
Stainless Steel Bars and Shapes
A 473 S40500ASTMUSA
Stainless Steel Forgings
A 580 S40500ASTMUSA
Stainless Steel Wire
S40500ASTMUSA
Ferritic Chromium Stainless Steel
SA-240 S40500ASTMUSA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S40500ASTMUSA
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 268 S40800ASTMUSA
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 959 S40800ASTMUSA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S40800ASTMUSA
Ferritic Chromium Stainless Steel
SA-268 S40800ASTMUSA
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 240 S40900ASTMUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S40900ASTMUSA
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 554 S40900ASTMUSA
Welded Stainless Steel Mechanical Tubing
S40900ASTMUSA
Ferritic Chromium Stainless Steel
SA-268 TP S40900ASTMUSA
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 493 S40940ASTMUSA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

Relevant products

S4 Steel Stock

Steel gradeDimensionShapeUnitQuantityDelivery stateQuery
Stainless Steel 422 / Alloy 422 AMS 5655 UNS S42200/616/B4B Round Bar StockSelect0SelectEnquiry

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