17cr-7ni-low carbon, compared with 304 steel, Cr and Ni content are less, tensile strength and hardness are increased during cold working, but magnetic after cold processing. 17cr-7ni-0.1n-low carbon reduces C content and improving the corrosion resistance of weld joint; The strength of steel is guaranteed by adding N element to make up for the strength shortage caused by the decrease of C content.
Used in train, aircraft, conveyor belt, vehicle, bolt, nut, spring, screen.
18Cr-8Ni As a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; The stamping, bending and other heat-processing properties are good, and there is no heat treatment hardening phenomenon (no magnetism, the use temperature is -196 ℃ ~800 ℃).
It can be used in household products (tableware, cabinet, indoor pipeline, water heater, boiler, bathtub), automobile accessories (windshield wiper, muffler, model products), medical appliances, building materials, chemistry, food industry, agriculture, ship parts.
13Cr-7.7Ni-2Cu Because Cu is added, it has good formability, especially the drawing property and anti aging crack, so it can be used for forming complex shape products; The corrosion resistance is the same as 304.
Used iv thermos bottle, kitchen sink, pot, pot, heat preservation rice box, door handle, textile processing machine.
18Cr-8Ni-N On the basis of 304 steel, the content of S and Mn is reduced, N element is added to prevent the plastic reduction, the strength is increased and the thickness of steel is reduced.
It can be used in street lights, water tanks, water pipes.
18Cr-12Ni-2.5Mo Mo is added, so it has excellent corrosion resistance, atmospheric corrosion resistance and high temperature strength, which can be used in the harsh conditions; Excellent hardening (no magnetism) in machining.
Used in equipment for seawater, chemical, dye, paper making, oxalic acid, fertilizer and other production equipment; Images, food industry, coastal facilities, ropes, CD poles, bolts, nuts.
18cr-12ni-2.5mo low carbon As a low C series of 316 steel, it has the same characteristics as 316 steel, and its grain boundary corrosion resistance is excellent. In the application of 316 steel, products with special requirements for resistance to grain boundary corrosion are required.
18Cr-9Ni-Ti Ti element was added to 304 steel to prevent grain boundary corrosion.
It is suitable for use at 430 ℃ -900 ℃. Aircraft, exhaust pipe and boiler drum.
11.3cr-0.17ti low C, n Because Ti element is added, its high temperature corrosion resistance and high temperature strength are better.
Used in automobile exhaust pipe, heat exchanger, container, etc. products that are not heat treated after welding.
13Cr low C Based on 410 steel, the C content is reduced, its processability, welding deformation resistance and high temperature oxidation resistance are excellent.
Used in mechanical components, engine exhaust pipe, boiler combustion chamber, burner.
16Cr As the representative steel of ferritic steel, the thermal expansion rate is equal, and the formability and oxidation resistance are excellent.
Used in heat resistant appliances, burners, household appliances, class 2 tableware, kitchen sink, external decorative materials, bolts, nuts, CD rods, screens.
18-cr0.5cu-nb-low C.N Cu, Nb and other elements were added to 430 steel; The corrosion resistance, formability, weldability and high temperature oxidation resistance are good.
It can be used in building exterior decoration materials, automobile parts, cold and hot water supply equipment.
18cr-1mo-ti, Nb, Zr low C, n It has good heat resistance and wear resistance. It has excellent processability and weldability because it contains Nb and Zr elements. Washing machine, automobile exhaust pipe, electronic products, 3-layer bottom pot.
13Cr-0.2C After quenching, the hardness is high and the corrosion resistance is good (magnetic).
Used in Cutlery (knife), turbine blade.
13Cr-0.3C After quenching, the hardness of the steel is higher (magnetic) than that of 420j1steel.
Used in Blade, nozzle, valve, ruler, tableware (scissors, knives).
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