Alloys 254 SMO is an austenitic stainless steel with a high molybdenum content. Coupled with Nickel and Copper this gives the alloy a good resistance to pitting and crevice corrosion, Alloy 254 Plate is a titanium stabilized austenitic stainless steel with good general corrosion resistance.
Alloy 254SMO Stainless Steel Plate Specification
| 254 SMO Plate Specification | ASTM A240 / ASME SA240 / NACE MR-0175 |
| Tolerances of width and thickness of 254 SMO Plate | -
EN 10258 (formerly DIN 59381) -
EN 10151 254 SMO En 1.4547 strips for springs -
EN 10088 6mo 254 SMO strip (general) |
| Standard 254 SMO Plate sizes | Cold rolled 254 SMO Plate 0.5-6.4 mm Hot rolled 254 SMO Plate 3.0–10.0 mm |
| Grade 1.4547 254 SMO AISI Plate & Sheet Thickness | 0.1 to 100 mm Thk |
| Width | 10-2500mm |
| 254 SMO Super Duplex Plate & Sheet Length | 2m, 2.44m, 3m, or as required |
| 254 SMO Plate Finish | 2B, 2D, BA NO(8), Cold rolled sheet (CR), Hot rolled plate (HR),SATIN (Met with Plastic Coated), No.1 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
| ASTM A240 S31254 Aisi 254 SMO Plate & Sheet Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard |
Alloy 254SMO Stainless Steel Plate Standard Size
| (mm) | Length x width
(mm) | Length x width (mm) | Length x width
(mm) | Length x width
(mm) | Length x width
(mm) |
| 5 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 6 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 8 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 10 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 12 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 15 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 16 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 20 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 25 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 30 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 35 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 40 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 45 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 50 | 4000 x 2000 | 6000 x 2000 | 6000 x 2500 | 6000 x 3000 | 8000 x 2000 |
| 60 | 4000 x 2000 | | | | |
| 70 | 4000 x 2000 | | | | |
| 80 | 4000 x 2000 | | | | |
| 90 | 4000 x 2000 | | | | |
| 100 | 4000 x 2000 | | | | |
Alloy 254SMO Stainless Steel Plate Thickness
| 254 SMO Plate Thickness (mm) | 254 SMO Plate Dimensions |
| 1.5 | 3m x 1.5m |
| 2.0 | 3m x 1.5m |
| 3.0 | 3m x 1.5m |
| 5.0 | 3m x 1.5m / 4m x 2m |
| 6.0 | 3m x 1.5m / 4m x 2m / 6m x 2m |
| 8.0 | 3m x 1.5m / 4m x 2m / 6m x 2m |
| 10.0 | 3m x 1.5m / 4m x 2m / 6m x 2m |
| 12.0 | 3m x 1.5m / 4m x 2m / 6m x 2m |
| 15.0 | 4m x 2m / 6m x 2m |
| 20.0 | 4m x 2m / 6m x 2m |
Alloy 254SMO Stainless Steel Plate Chemical Composition
| Grade | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
| SMO 254 | 17.5-18.5 | 19.5-20.5 | 6-6.5 | 0.5-1.0 | 0.18-0.22 | 0.02 | 1.0 | 0.08 | 0.03 | 0.01 |
Alloy 254SMO Stainless Steel Plate Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
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