TISCO BAOSTEEL 254SMO Stainless Steel Plate SS Plate 2B NO.1 0.6 - 100mm Alloy 254
TISCO BAOSTEEL 254SMO Stainless Steel Plate SS Plate 2B NO.1 0.6 - 100mm Alloy 254
| Item | 254SMO Stainless Steel Plate |
| Raw Material | Stainless steel sheet (hot rolled and cold rolled) |
| Grades | 201, 202, 301, 304, 304L, 310S, 309S, 316, 316L, 321, 409L, 410, 410S, 420, 430, 904L, 2205 ,2507,254SMO,253MA.etc. |
| Thickness | 0.6 - 30.0mm |
| Stock Thickness | 0.6mm ,0.8mm,1.0mm,1.2mm,1.5mm.2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm,10.0mm,12.0mm,14.0mm,16.0mm,20.0mm,25mm,30.0mm |
| Width | 1000mm 1219mm 1500mm or cutting any size as your request |
| Finish | 2B, BA, No. 1, No. 4, mirror, brush, hairline, chequered, embossed, etc. |
| Package | Standard export package |
254SMo is an austenitic stainless steel, developed for use in halide-containing environments such as seawater. The superiority of this steel manifests itself especially in halide-containing acids. 254SMo also features good resistance to uniform corrosion. As its carbon content is less than 0.02%, it is called pure austenitic stainless steel; when its carbon content is less than 0.01% , it can also be called super austenitic stainless steel.
Due to the high nitrogen content, 254SMo features better mechanical strength than other types of austenitic stainless steel. In addition, 254SMO features high ductility, impact strength and good weldability. The high molybdenum content contained within allows 254SMO to acquire a high oxidation rate during annealing, resulting in a rougher surface than common stainless steel after pickling. However, this does no harm to the corrosion resistance of this stainless steel.
CHEMICAL PROPERTIES
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
| 0.020 | 0.80 | 1.00 | 0.030 | 0.010 | 20 | 18 | 6.1 | 0.7 | 0.20 |
Mechanical Properties of 254SMO Stainless Steel
| Grade |
Tensile Strength ksi (MPa) min |
Yield Strength 0.2% Offset ksi (MPa) min |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 254 SMO Sheet & Strip | 100 (690) | 45 (310) | 35 | 223 | 96 |
| 254 SMO Plate | 95 (655) | 45 (310) | 35 | 223 | 96 |
RESISTANCE TO CORROSION
The high content of alloying elements gives Ultra 254 SMO exceptionally good resistance to uniform corrosion. It can withstand a wide range of acids due to the high alloying content of chromium and molybdenum. Resistance to pitting and crevice corrosion is determined mainly by the chromium, molybdenum, and nitrogen content. 254 SMO has high amounts of these elements and is suitable for demanding environments like chlorinated sea water. Resistance to stress corrosion cracking increases with increased content of nickel and molybdenum in particular. This means that Ultra 254 SMO has very good resistance to stress corrosion cracking.
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