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 |