① Press the organizational structure of the classification of steel, such as stainless steel, ferritic qiyi 304 stainless steel coil , austenitic stainless steel and duplex stainless steel.
② Press the main chemical ingredient in steel or steel to classify some of the characteristic elements such as chromium stainless steel, chrome-nickel stainless steel, chrome -nickel-molybdenum stainless steel and low carbon stainless steel , high molybdenum stainless steel , high purity stainless steel.
③ Press steel performance characteristics and uses to classify , such as resistance to nitric acid ( nitrate levels) stainless steel, acid -resistant steel , stainless steel resistant to pitting , qiyi 430 stainless steel coil corrosion of stainless steel , high- strength stainless steel.
④ Press features steel classification , such as low temperature stainless steel , non-magnetic stainless steel , free cutting steel , stainless steel and other superplasticity .
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