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) |
|---|---|---|---|---|---|---|
| 442 (≥) | 471 (≥) | 41 | 12 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 |
| 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 |
|---|---|---|---|---|---|---|---|
| 132 (≥) | 317 (≥) | 42 | 43 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 672 | 568 | 626 |
| 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 |