Other alloy 20
Alloy 20 is a highly alloyed austenitic stainless steel developed primarily for use in the sulfuric acid related processes. Alloy 20 is used is a wide variety of applications from Sulfuric acid pickling tanks, racks and heating coil, Heat Exchangers, Process piping, Chemical and petroleum process equipment etc.
Specifications
| UNS | W.Nr | 
| N08020 | 2.4660 | 
Chemical composition
| Grade | % | Ni | Cr | Fe | Mo | C | Mn | Si | S | Cu | P | 
| Alloy20 | Min | 32 | 19 | Bal. | 2 | 3 | |||||
| Max | 38 | 21 | 3 | 0.07 | 2 | 1 | 0.03 | 4 | 0.03 | 
Mechanical properties(Minimum value at 20℃)
| Tensile Strengthσb/MPa | Yield Strengthσp0.2/MPa | Elongationσ5 /% | 
| 600 | 320 | 35 | 
Standard
| Bar | Forging | Sheet/Strip | Wire | 
| ASTM B473 | ASTM B462 | ASTM B463 | ASTM B471 | 






