Stainless Steel Disc Springs are subdivided according to the different material, they are widely used in Oil Industry, Petrochemical Industry, Food Processing Equipment, etc.
SUS301 is corrosion resistant material. The strength of such material is obtained by cold rolling, so maximum material thickness is 3mm. Cold rolling will also give the spring some magnetic properties. Situation for SUS301 is soft, Half hard, 3/4 hardness, and full hard.
SUS304 is corrosion resistant material. The content of C% is lower than SUS301, low hardness, non-magnetic, good elasticity, and good cold processing effect. Its Corrosion resistance is better than SUS301. And maximum material thickness is 3mm.
SUS316 is corrosion resistant material. Because of Mo%, the corrosion resistance of SUS316 is better than SUS304. But tensile strength is lower than SUS301 and SUS304. Because of High Ni %, the corrosion and temperature resistance of SUS316L is better than SUS316. And maximum material thickness is 3mm.
17-7PH is austenitic-martensitic precipitation hardening stainless steel. The strength of such material is obtained by work hardening and precipitation hardening. Its Corrosion resistance is higher than 17-4PH. And its material thickness can reach 3mm and above.
17-4PH is a martensitic precipitation hardening stainless steel. Because the strength can be obtained by aging treatment, so its material thickness can reach 3mm and above. It can work under- 200 degrees.
Corrosion Resistant Disc Springs outer diameter from 6mm up to 600mm and thickness from 0.2mm up to 24mm;
The Tolerance is according to DIN2093 standards
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