Steel Grade | End product or Fields |
200 series | decorative pipes, industrial pipes etc |
300 series | --304 is mainly used in household or food industry; and 304 contains more nickel, and more nickel means better weldability, tensile strength, and oxidation resistance; --304Lcontains very low carbon content and is mainly for machinery used in the chemical, petroleum and coal industry or parts used in heat treatment of building materials; --321 contains ti elements, suitable for 430-900 degrees, it is mainly used in medical equipment, nuclear energy industry, aircraft, chemical agricultural ships, auto parts, etc; --316 is mainly used in seawater equipment, chemicals, dyes, papermaking, oxalic acid, fertilizers and other production equipment, photography, food industry, Coastal facilities, ropes, CD rods, bolts, nuts, and other products that have special requirements for resisting grain boundary corrosion; --309S and 310S are suitable for boilers, exhaust machines, and heat treatment furnaces , Heat exchanger, 310S is very suitable for working under conditions above 1000 degrees Celsius; |
400 series | --409L is mainly used for automobile exhaust pipes, heat exchangers, containers and other products that do not require heat treatment after welding; --410 420J1 420J2 is mainly used for blades, knives, forks, bolts, tableware knives , Turbine blades, valves, rulers, tableware scissors; --430 is mainly used for heat-resistant appliances, burners, home appliances, second-class tableware, kitchen sinks, exterior decoration materials, bolts, nuts , CD rod, screen; --444 is mainly a special plate for water tank |