The quality characteristics of stainless steel

Generally speaking, stainless steel products are different, the thickness tolerance of the required raw material is also different, such as two kinds of tableware and thermos cup, thickness tolerance is generally higher, is -3~5%, and a class of tableware thickness tolerance is generally -5%, steel pipe requirements -10%, the thickness tolerance of hotel cold cabinet material is -8%, Dealers' requirements for thickness tolerance are generally between -4% and 6%. At the same time, the difference between domestic and foreign sales of products will also lead to the different requirements of customers on the thickness tolerance of raw materials. Generally, customers of export products have high requirements on thickness tolerance, while domestic enterprises have relatively low requirements on thickness tolerance (mostly due to cost considerations), and some customers even require -15%.

weldability

Different uses of products have different requirements for welding performance. A class of tableware welding performance generally do not do requirements, even including part of the pot enterprises. But the vast majority of products need raw materials with good welding performance, such as second-class tableware, thermos cup, steel pipe, water heater, water dispenser, etc.

Corrosion resistance

The vast majority of stainless steel products require good corrosion resistance, like a and two types of tableware, kitchenware, water heater, water dispenser, etc., some foreign businessmen also do corrosion resistance tests on products: with NACL solution heating to boiling, after a period of time to dump the solution, wash and dry, said weight loss, to determine the degree of corrosion (note: When polishing the product, the emery cloth or sandpaper contains Fe components, which will lead to rust spots on the surface of the test.

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The quality characteristics of stainless steel

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