254 SMO Fasteners
6-Moly, A182 F44, 1.4547, SS2378, S31254, X1CRNIMOCUN20-18-8
254 SMO Fasteners are high alloy austenitic fasteners manufactured from alloy containing chromium, nickel and molybdenum with addition of copper with restricted carbon content. Stainless Steel 254 SMO Fasteners have good resistance to pitting and crevice corrosion. TorqBolt is an eminent Stainless Steel 254 SMO Fasteners supplier in India.
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254 SMO Stainless Steel Fasteners Properties
254 SMO Chemical Requirements
| Grade/Identification Symbol |
UNS Designation | Composition, % | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Ni | Cr | Mo | CbB | Ti | Other Elements |
||||
| ASTM A182 Grade F44 |
S31254 | 0.020 | 1.00 | 0.030 | 0.010 | 0.80 | 17.5-18.5 | 19.5-20.5 | 6.0-6.5 | ... | ... | Cu 0.50-1.00 N 0.18-0.25 |
||
254 SMO Mechanical Requirements
| Grade Symbol |
Tensile Strength, min, ksi [MPa] |
Yield Strength, min, ksi [MPa]B |
Elongation in 2 in. [50 mm] or 4D, min, % |
Reduction of Area, min, % |
Brinell Hardness Number, HBW, unless otherwise indicated |
|---|---|---|---|---|---|
| ASTM A182 Grade F44 |
94 [650] | 44 [300] | 35 | 50 | . . . |
254 SMO Heat Treatment
| Grade | Heat Treat Type | Austenitizing/Solutioning Temperature, Minimum or Range, °F [°C]A | Cooling Media | Quenching Cool Below °F [°C] | Tempering Temperature, Minimum or Range, °F [°C] |
|---|---|---|---|---|---|
| ASTM A182 Grade F44 |
solution treat and quench | 2100 [1150] | liquidE | 500 [260] | B |