AFNOR S20Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | S20 | AFNOR | France |
Chemical composition%of the ladle analysis of gradeS20
| 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) |
|---|---|---|---|---|---|---|
| 475(≥) | 481(≥) | 32 | 34 | 44 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 133 |
| 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 |
|---|---|---|---|---|---|---|---|
| 575(≥) | 569(≥) | 44 | 21 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 424 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 175 | 539 | 993 |
| 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 |
|---|---|---|---|
| S20100 | AFNOR | France | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| S20153 | AFNOR | France | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| S20161 | AFNOR | France | Austenitic Chromium Manganese Nickel Silicon Stainless Steel |
| S20200 | AFNOR | France | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| S20300 | AFNOR | France | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| S20400 | AFNOR | France | S20400 |
| S20501 | AFNOR | France | Stainless steel and heat resistant steel |
| S20910 | AFNOR | France | Chemical compositions of SAE wrought stainless steels |
| A 240 S20161 | AFNOR | France | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S20161 | AFNOR | France | Stainless Steel Bars and Shapes |
| A 314 S20161 | AFNOR | France | Stainless Steel Billets and Bars for Forging |
| A 479 S20161 | AFNOR | France | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 580 S20161 | AFNOR | France | Stainless Steel Wire |
| A 959 S20161 | AFNOR | France | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| F 899 S20161 | AFNOR | France | Standard Specification for Wrought Stainless Steels for Surgical Instruments |
| S20161 | AFNOR | France | Austenitic Chromium Manganese Nickel Silicon Stainless Steel |
| SA-240 S20161 | AFNOR | France | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-276 S20161 | AFNOR | France | Specification for Stainless Steel Bars and Shapes |
| SA-479 S20161 | AFNOR | France | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 581 S20300 | AFNOR | France | Free-Machining Stainless Steel Wire and Wire Rods |