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321S51(1105)Application:austenitic special steel
CategoryTypeSteel gradeCountry
Grades Special Alloy 321S51(1105)UK

Chemical composition%of the ladle analysis of grade321S51(1105)

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Ti(%)
0.04-0.10Max 1.00Max 2.00Max 0.04Max 0.0317.0-19.09.00-12.05×CMax 0.80
321S51(1105)
Mechanical properties of grade321S51(1105)
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)
549(≥)188(≥)221441Solution and Aging,Annealing,Ausaging,Q+T,etc222
Physical properties of grade321S51(1105)
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
565(≥)866(≥)322322Solution and Aging,Annealing,Ausaging,Q+T,etc324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
832372441
321S51(1105)Range 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
321S51(1010)UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
321S51(1105)UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
321S51UK
Steel boiler and superheater tubes. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties
321S51 490UK
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
321S51 510UK
Specification for steel forgings for pressure purposes
321S51 520UK
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
A 240 S44627UK
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44627UK
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S44627UK
Stainless Steel Bars and Shapes
S44627UK
Ferritic Chromium Molybdenum Columbium Stainless Steel
SA-240 S44627UK
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44627UK
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 581 S20300UK
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S20300UK
Standard Specification for Free-Machining Stainless Steel Bars
F 837 Class A1-50 S20300UK
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S20300UK
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S20300UK
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S20300UK
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S20300UK
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S20300UK
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

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