UNS S31803Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | S31803 | UNS | USA |
Chemical composition%of the ladle analysis of gradeS31803
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | N(%) |
|---|---|---|---|---|---|---|---|---|
| 0.03 | 1 | 2 | Max 0.03 | Max 0.02 | 21.0-23.0 | 4.50-6.50 | 2.50-3.50 | 2.50-3.50 |
| 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) |
|---|---|---|---|---|---|---|
| 671(≥) | 792(≥) | 22 | 31 | 21 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 241 |
| 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 |
|---|---|---|---|---|---|---|---|
| 464(≥) | 733(≥) | 24 | 31 | 22 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 143 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 394 | 643 | 476 |
| 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 |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 1049 S31803 | UNS | USA | Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components |
| A 240 S31803 | UNS | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 270 S31803 | UNS | USA | Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
| A 276 S31803 | UNS | USA | Stainless Steel Bars and Shapes |
| A 479 S31803 | UNS | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 511 S31803 | UNS | USA | Seamless Stainless Steel Mechanical Tubing |
| A 789 S31803 | UNS | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| A 790 S31803 | UNS | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A 815 CRS31803 | UNS | USA | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 815 WPS31803 | UNS | USA | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 928 S31803 | UNS | USA | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A 949 S31803 | UNS | USA | Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe |
| A 955 S31803 Grade 280 | UNS | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 S31803 Grade 40 | UNS | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 S31803 Grade 420 | UNS | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 S31803 Grade 520 | UNS | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 S31803 Grade 60 | UNS | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 S31803 Grade 75 | UNS | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 959 S31803 | UNS | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| A 988 S31803 | UNS | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |