AFNOR S20 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | S20 | AFNOR | France | 
Chemical composition % of the ladle analysis of grade S20
| 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) | 
|---|---|---|---|---|---|---|
| 673 (≥) | 121 (≥) | 22 | 44 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 157 (≥) | 866 (≥) | 13 | 44 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 | |
| Temp. °C/°F  | 
                      Creep strain limit (10000h) (Rp1,0) N/mm2  | 
                      Creep rupture strength (10000h) (Rp1,0) N/mm2  | 
                      |||||
| 461 | 766 | 551 | 
| 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  | 
                  
