Commonly used stainless steel grades What are

201: manganese instead of nickel stainless steel, with a certain degree of acid and alkali resistance, high density, polished without bubbles, used in cases, decorative tubes, industrial tubes, and other shallow tensile products.

202: low nickel high manganese stainless steel, nickel, manganese content of about 8%, weak corrosion conditions, can replace 304, cost-effective, mainly used in building decoration, highway guardrail, municipal engineering, glass handrail, highway facilities.

304: general-purpose stainless steel, with good corrosion resistance, heat resistance, low-temperature strength and good mechanical properties, high toughness, applied to the food industry, medical industry, industry, chemical industry, home decoration industry.

304L: low carbon 304 stainless steel, used in corrosion resistance and molding of the equipment machine parts.

316: added Mo, high temperature corrosion resistance is excellent, used in seawater equipment, chemical, food industry, paper industry.

321: excellent high-temperature stress-breaking properties and high-temperature resistance to latent change.

430: heat fatigue, coefficient of thermal expansion is smaller than austenitic, used in household appliances, building decoration.

410: high hardness, toughness, corrosion resistance, thermal conductivity, coefficient of expansion is small, good oxidation resistance, used in the manufacture of atmospheric, water vapor, water and oxidizing acid corrosive parts.