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321S51(1105) Application:austenitic special steel
Category Type Steel grade Country
Grades Special Alloy 321S51(1105) UK

Chemical composition % of the ladle analysis of grade 321S51(1105)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Ti(%)
0.04-0.10 Max 1.00 Max 2.00 Max 0.04 Max 0.03 17.0-19.0 9.00-12.0 5×CMax 0.80
321S51(1105)
Mechanical properties of grade 321S51(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 Condition Brinell hardness (HBW)
728 (≥) 857 (≥) 14 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Physical properties of grade 321S51(1105)
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
417 (≥) 878 (≥) 14 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
541 979 248
321S51(1105) 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
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
321S51 UK
Steel boiler and superheater tubes. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties
321S51 490 UK
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
321S51 510 UK
Specification for steel forgings for pressure purposes
321S51 520 UK
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
A 240 S44627 UK
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44627 UK
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S44627 UK
Stainless Steel Bars and Shapes
S44627 UK
Ferritic Chromium Molybdenum Columbium Stainless Steel
SA-240 S44627 UK
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44627 UK
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 581 S20300 UK
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S20300 UK
Standard Specification for Free-Machining Stainless Steel Bars
F 837 Class A1-50 S20300 UK
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S20300 UK
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S20300 UK
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S20300 UK
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S20300 UK
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S20300 UK
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

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