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the price of the 304 stainless steel strip

304 stainless steel strip a versatile stainless steel material, anti-rust performance than the 200 series of stainless steel materials to be strong. High temperature is also better, can be high to 1000-1200 degrees. 304 stainless steel has excellent corrosion resistance and good resistance to intergranular corrosion. On the oxidation of acid, in the experiment concluded: concentration ≤ 65% of the boiling temperature of nitric acid, 304 stainless steel has a strong corrosion resistance. Alkaline solution and most organic acids and inorganic acids also have good corrosion resistance.


304 (18Cr-8Ni) Material: as a widely used steel, with good corrosion resistance / heat resistance, low temperature strength and mechanical properties; stamping / bending and other hot workability, no heat treatment hardening (non-magnetic, Then the temperature of -196 ℃ ~ 800 ℃). Uses: household items (1/2 class utensils / cabinets / indoor piping / water heaters / boilers / baths), auto parts (windshield wipers / muffler / molded products), medical equipment, building materials, chemical, food industry, agriculture, ship parts.

Now the two most commonly used stainless steel 304,316 (or corresponding to the German / European standard 1.4308,1.4408), 316 and 304 in the chemical composition of the most important difference is 316 Mo, and generally recognized, 316 better corrosion resistance , More corrosion resistance than 304 stainless steel strip in high temperature environment. So in high temperature environment, engineers will generally use the 316 material parts. But the so-called things without absolute, in the concentrated sulfuric acid environment, and then do not use high temperature 316! Otherwise it may be big.

Learn mechanical threads have learned threads, remember to prevent the high temperature in the case of thread bite, need to smear a kind of dark solid lubricant it: molybdenum disulfide (MoS2), from it to get 2 points The conclusion is not:

[1] Mo is really a high temperature of the material (know what gold crucible melting? Molybdenum crucible!).

[2]: molybdenum is easy and high sulfur ions generated by sulfide. So there is no one kind of stainless steel is super invincible corrosion resistance. In the final analysis, stainless steel is an impurity (but these impurities may be more resistant to corrosion than steel) ^ more steel, steel and other substances can react.


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