Stainless steel valve performance

by:Lianke Valve     2022-09-15
Main performance and application of stainless steel valve 304 stainless steel valve national standard 0Cr18Ni9, national standard 0Cr18Ni9 as a widely used stainless steel valve, 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, operating temperature -196 ℃ ~ 800 ℃). 321 stainless steel valve is equivalent to domestic 1Cr17Ni9Ti, and its performance is very similar to 304, but due to the addition of metal titanium, it has better resistance to grain boundary corrosion and high temperature strength. Due to the addition of metallic titanium, it effectively controls the formation of chromium carbide. 321 stainless steel valve has excellent high temperature stress rupture (StressRupture) performance and high temperature creep resistance (CreepResistance) stress mechanical properties are better than 304 stainless steel valve. 321 stainless steel valves are used in open-air heat-resistant pipelines and pipelines with difficult heat treatment in chemical, coal, and petroleum industries that require high resistance to grain boundary corrosion. 316 stainless steel valve national standard 0Cr17Ni12Mo2 national standard 0Cr17Ni12Mo2, due to the addition of Mo, its corrosion resistance, atmospheric corrosion resistance and high temperature strength are particularly good, can be used under harsh conditions; excellent work hardening (non-magnetic). 316 stainless steel valves are used in : Seawater, chemical, dye, paper, oxalic acid, fertilizer and other production equipment; 316L stainless steel valve GB 00Cr17Ni14Mo2 GB 00Cr17Ni14Mo2, as 316L stainless steel valve has the same characteristics as 316 stainless steel valve, its resistance to grain boundary corrosion is better than 316; In addition, the addition of molybdenum element can significantly improve its resistance to intergranular corrosion and oxide stress corrosion, and reduce the tendency of hot cracking during welding. It also has good resistance to chloride corrosion. 316L stainless steel valves are used in: commonly used In the case of pure water, distilled water, medicine, sauce, vinegar and other occasions with high sanitation requirements and strong medium corrosion performance, 316 stainless steel valves have special requirements for anti-grain boundary corrosion in special applications. 310S stainless steel valve is a standard method for stainless steel valves in the United States. The domestic label is (2520) 0Cr25Ni20, which is an austenitic stainless steel valve. S in 310S refers to the special purpose of the stainless steel valve. 0Cr25Ni20 (310S) characteristics - high temperature oxidation resistance, high temperature strength. Application--Exhaust pipe Bellows, microwave oven Heater, Tube, high temperature furnace, cremator and other stainless steel valves that require heat resistance.
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