What's the difference between different materials? He bei Xin yu Metal Products Co., Ltd. Briefly Analyses the Difference of Carbon Steel, Stainless Steel and Copper.
Carbon steel nuts: We distinguish low-carbon steel, medium-carbon steel and high-carbon steel as well as alloy steel according to the content of carbon in carbon steel.
1. Low carbon steel C%<0.25% is commonly referred to as called 1008, 1015, 1018, 1022, etc.
2. Medium carbon steel 0.25%
3. High carbon steel C%>0.45%. At present, there is little use in the market.
Stainless steel nuts:
1. Austen (18% Cr, 8% Ni) has good heat resistance, corrosion resistance and weld-ability. A1, A2, A4
2. Martensite and 13% Cr have poor corrosion resistance, high strength and good wear resistance. C1, C2, C4 ferric stainless steel. 18% Cr upsetting forging has better corrosion resistance than martensite. The main imported materials on the market are Japanese products. According to the level, they are SUS302, SUS304 and SUS316.
Three, copper. Commonly used material is brass. Zinc-copper alloy. In the market, H62, H65 and H68 copper are mainly used as standard parts.
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