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Question:

Spring made of 304 stainless steel wire and ordinary 304 wire what is the difference?

Spring made of 304 stainless steel wire and ordinary 304 wire what is the difference?

Answer:

304 is 1Cr18Ni9.The mechanism of stainless steel rust prevention is that alloy elements form dense oxide film, which blocks oxygen contact and prevents continuous oxidation. So stainless steel is not "stainless"".
04 stainless steel, consisting of 18Cr-9Ni, is the most widely used stainless steel and heat resistant steel. Used in food production equipment, chemical equipment, nuclear energy, etc..
The spring uses 304 wire, the tensile strength is higher, but the ordinary 304 soft material draws cold, after the solution treatment (annealing), the tensile strength is low.304 stainless steel is a common stainless steel, the industry is also called 18/8 stainless steel. Its corrosion resistance is better than 430 stainless steel, but the price is cheaper than 316 stainless steel, so it is widely used in life, such as: some high-end stainless steel tableware, outdoor railings and so on.
Springs use steel wire, others have steel bars and steel sheets. But SUS304 is a standard stainless steel, but also can be said to be the international standard, the standard is 304 stainless steel and nickel content of 8, there are 304 stainless steel market to buy only 4 nickel, so the price is 8 cheaper than natural nickel, but this is not a standard stainless steel, can be said to be the industry to cut corners then, to seize the market price. As for buying the kind of your own measure, if not demanding, buy nickel content of the price is not cheap, but also reduce costs, is not impossible ah.
The spring uses 304 wire, the tensile strength is higher, but the ordinary 304 soft material draws cold, after the solid solution treatment (anneal), the tensile strength is lower, is not suitable to make the spring.

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