17Cr-7Ni- low carbon Compared with 34 steel, the content of Cr and Ni is less, the tensile strength and hardness are increased during cold working, and it is non-magnetic, but it is magnetic after cold working. Trains, aircraft, conveyor belts, vehicles, bolts, nuts, springs and screens 31L
17Cr-7Ni-.1N- low carbon is based on 31 steel, which reduces the C content and improves the grain boundary corrosion resistance of welded joints. By adding N element to make up for the strength deficiency caused by the decrease of C content, the strength of steel is ensured. As a kind of widely used steel, 34
18Cr-8Ni has good corrosion resistance, heat resistance, low temperature strength and mechanical properties. Good hot workability such as stamping and bending, no heat treatment hardening phenomenon (non-magnetic, service temperature -196℃~8℃). Household articles (category 1 and 2 tableware, cabinets, indoor pipelines, water heaters, boilers, bathtubs), automobile parts (windshield wipers, silencers, molded products), medical appliances, building materials, chemistry, food industry, agriculture, and ship parts 34L
18Cr-8Ni- low carbon is a low-carbon 34 steel, and in general, it is corrosion resistant. Good corrosion resistance can also be maintained without heat treatment, and the service temperature is -196℃~8℃. Used in open-air machines in chemical, coal and petroleum industries with high requirements for grain boundary corrosion resistance, the heat-resistant parts of building materials and the parts with difficulties in heat treatment, 34Cu
13Cr-7.7Ni-2Cu, have good formability, especially wire drawing and aging crack resistance, so they can be used to form products with complex shapes. Its corrosion resistance is the same as that of 34. Vacuum flask, kitchen sink, pot, kettle, insulated lunch box, door handle, textile processing machine. On the basis of 34 steel, 34N1
18Cr-8Ni-N reduces the content of S and Mn, and adds N element to prevent the plasticity from decreasing, improve the strength and reduce the thickness of steel. Component, street lamp, water storage tank and water pipe 34N2
18Cr-8Ni-N are made of high-strength steel with N and Nb added compared with 34. Components, street lamps and water storage tanks 316
18Cr-12Ni-2.5Mo have excellent corrosion resistance, atmospheric corrosion resistance and high temperature strength due to the addition of Mo, and can be used under harsh conditions. Excellent work hardening (no magnetism). Equipment used in seawater, chemical, dye, paper, oxalic acid, fertilizer and other production equipment; Photography, food industry, facilities in coastal areas, ropes, CD rods, bolts and nuts 316L
18Cr-12Ni-2.5Mo low-carbon as the low-c series of 316 steel, besides having the same characteristics as 316 steel, its grain boundary corrosion resistance is excellent. In the application of 316 steel, there are special requirements for grain boundary corrosion resistance. 321
18Cr-9Ni-Ti adds Ti element to 34 steel to prevent grain boundary corrosion; Suitable for use at 43℃-9℃. Characteristics of steel grades for aircraft, exhaust pipes and boiler drums: ferritic steel martensitic steel 49L
11.3Cr-.17Ti- low C and N, due to the addition of Ti element, its high-temperature corrosion resistance and high-temperature strength are good. Automobile exhaust pipes, heat exchangers, containers and other products that are not heat-treated after welding. 41L
13Cr- low c reduces the c content on the basis of 41 steel, and it has excellent machinability, welding deformation resistance and high temperature oxidation resistance. Mechanical structural parts, engine exhaust pipe, boiler combustion chamber, burner. 43
16Cr, as a representative steel of ferritic steel, has good thermal expansion rate, formability and oxidation resistance. Heat-resistant appliances, burners, household appliances, second-class tableware, kitchen sinks, external decorative materials, bolts, nuts, CD rods, and screens 43J1L
18-Cr.5Cu-Nb- low C.N In 43 steel, elements such as Cu and Nb are added; Its corrosion resistance, formability, weldability and high temperature oxidation resistance are good. Building exterior decoration materials, automobile parts, hot and cold water supply equipment. 436L
18Cr-1Mo-Ti, Nb and Zr have low C and N heat resistance and good abrasion resistance, and because they contain Nb and Zr elements, their machinability and weldability are excellent. Washing machine, automobile exhaust pipe, electronic products, pot with three floors. 41
13Cr- low carbon, as the representative steel of martensitic steel, is not suitable for use in harsh corrosive environment, although it has high strength. Its machinability is good, and it is hardened (magnetic) according to the heat treatment surface. Blade, mechanical parts, petroleum refining device, bolt, nut, pump rod, first-class tableware (knife and fork). 42J1
13Cr-.2C has high hardness and good corrosion resistance (magnetic) after quenching. Tableware (knife), turbine blade. After quenching, the hardness of 42J2
13Cr-.3C is higher than that of 42J1 steel (magnetic). Blade, nozzle, valve, ruler, tableware (scissors, knife).