| Форма |
ASTM |
| Прут, брус и форма |
276, 484 |
| Плита, лист и полоса |
240, 480 |
| Труба бесшовная и сварная |
312, 999 |
| Сварные трубы |
814, 999 |
| Бесшовные и сварные трубы |
269, 1016 |
| Фитинги |
403, 960 |
| Кованые или катаные трубы фланцевые и кованые фитинги |
182, 961 |
| Ковка |
473, 484 |
Химический состав
| % |
Fe |
Cr |
Ni |
Mo |
C |
Mn |
Si |
P |
S |
Cu |
N |
| мин |
баланс |
19.5 |
17.5 |
6.0 |
|
|
|
|
|
0.50 |
0.18 |
| Макс |
20.5 |
18.5 |
6.5 |
0.020 |
1.00 |
0.80 |
0.030 |
0.010 |
1.00 |
0.22 |
Физические свойства
| Плотность |
7.94 г / cm3 |
| Диапазон плавления |
1320-1390 ℃ |
Особенности: 254 SMO is a high performance austenitic stainless steel. Its high alloying elements content imparts excellent resistance to uniform, pitting and crevice corrosion, and stress corrosion cracking. It was originally developed to withstand the corrosion of acids, especially in the presence of halide ions, such as hydrochloric acid, hydrofluoric acid, phosphoric acid, and sulphuric acid contaminated with chlorides. In certain environments it is an alternative to more expensive nickel alloys and titanium alloys.
Применение: Chemical processing equipment, pulp and paper industry bleaching equipment, desalination plant seawater piping, food and beverage industry, pharmaceuticals, and hydrometallurgy.
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