Equivalent designations
UNS S32750
DIN W. Nr. 1.4410
Form | ASTM |
Rod, bar and shape | A 276, A 484 |
Plate, sheet and strip | A 240, A 480 |
Seamless and welded pipe | A 790, A 999 |
Seamless and welded tubing | A 789, A 1016 |
Fitting | A 815, A 960 |
Forged or rolled pipe flange and forged fitting | A 182, A 961 |
Billet and bar for forging | A 314, A 484 |
Chemical composition
% | Fe | Cr | Ni | Mo | C | Mn | Si | P | S | Cu | N |
min | balance | 24.0 | 6.0 | 3.0 | 0.24 | ||||||
max | 26.0 | 8.0 | 5.0 | 0.030 | 1.20 | 0.80 | 0.035 | 0.020 | 0.50 | 0.32 |
Physical properties
Density | 7.75 g/cm3 |
Melting range | 1396-1450℃ |
Applications: Chemical processing industry piping, vessels and heat exchangers; desalination plant seawater piping; oil and gas industry equipment; power plant flue gas desulfurization systems, scrubber systems and absorber towers; and chemical tankers.