We often see imports of stainless steel standard United States standards of ASME SA240, ASTM A240 standard and Japan JIS standard SUS ; frequently used trademarks 304 g, 316L, and so on. To 304 below as an example to illustrate their method : JIS standard material, relatively simple, SUS304 said ASME and ASTM said there are several : SA240-304, and SA240TP304, and A240-304, and A240TP304, in fact, middle - and TP's idea is the same. We referred to the material preceded by 304L, where l is the suffix, with low carbon content ; can often be seen with h, said higher carbon content, mainly used in high temperature occasions ; n are also common, adding elements n, enhances the intensity. Sometimes, we can also be seen in the back : 2B,No. 1 suffix, is the material of the surface state of these suffixes ; 2B after hot rolling and cold rolling, good on the surface, plate reaches mirror finish requirements ; wtri said after hot rolling and cold rolling, surface of steel sheet ; No. 1 indicates that the hot surface.
316l 316l hot rolled stainless steel plate
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