Could 304 stainless steel screws be hardened?

Today, World Trade One has received an inquiry about 304 stainless steel screws from Mr. Chai from Hong Kong. But Mr. Chai is a little worried that the 304 304 stainless steel screws he is using now can meet his requirements for salt spray test, but the strength of stainless steel does not meet his requirements. Can the 304 stainless steel screws be hardened?

Austenitic stainless steel 304 and stainless steel 316 can not be hardened heat treatment, the strength of ordinary 304 stainless steel screws is 4.8. If high strength 304 stainless steel screws are required, world Wide is recommended to use stainless steel 410 screws. SUS410 is a nickel free stainless steel, also a type of martensitic stainless steel. It has good hardenability, with higher hardness, toughness, better corrosion resistance, thermal strength and cooling performance, shock absorption is also very good. High or low temperature tempering is required, but avoid tempering between 370 and 560 ° C.

The original protective layer of stainless iron is damaged in the processing process. The original protective layer can be repaired by passivating the stainless iron screw after processing. Form a new protective film layer, achieve high salt fog performance 96 hours without rust.

Mr. Chai proposed to confirm the official order of 100000pcs after the sample test, so as to ensure that the 410 304 stainless steel screws can pass the delayed test and meet the strength requirements. After Mr. Chai paid the sample fee, Shi Shi Tong immediately arranged to order the material and delivered the sample to the customer seven days later. The customer has tested the salt spray time and hardness of the screw sample made of 304 stainless steel screws. Mr. Chai is very satisfied with the improved product of Shi Shi Tong screws.

Welcome to Shenzhen Shi Shi Tong Metal Products Co., LTD. To inquire about 304 stainless steel screws customization, we will serve you wholeheartedly.

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