304H Stainless steel Hexagonal steel. Corrosion resistance, heat resistance, good mechanical properties, deep stamping, bending and other normal temperature processing performance is better, heat treatment will not harden, can withstand general corrosion in the building, can resist food processing medium erosion (but contains concentrated acid and chloride components of the high temperature state may appear corrosion), can resist organic compounds, dyes and a wide variety of inorganic compounds.

347H Stainless steel Hexagonal steel has good corrosion resistance, welding performance and thermal strength performance. 347H austenitic stainless steel has good corrosion resistance, welding performance and thermal strength performance. 347H stainless steel for large boiler superheater, reheater, steam pipe, petrochemical heat exchanger pipe fittings.

317L Stainless steel Hexagonal steel is more resistant to chemical corrosion than conventional chromium-nickel austenitic stainless steel such as alloy 304. In addition, compared with conventional stainless steel, 317L alloy has higher ductility, stress corrosion resistance, compressive strength and high temperature resistance. It is low carbon grade or L grade, which is resistant to sensitization during welding and heat treatment

310S Stainless steel Hexagonal steel is an austenitic chromium-nickel stainless steel with good oxidation resistance and corrosion resistance, because of the higher percentage of chromium and nickel, 310S has much better creep strength, can be continuously operated at high temperature, has good high temperature resistance.

309S Stainless steel Hexagonal steel containing sulfur, used for the main requirements of free cutting and high surface smoothness. 309s is a variant of 309 stainless steel with a lower carbon content for use where welding is required. The low carbon content minimizes the precipitation of carbides in the heat affected zone near the weld, which may cause intergranular corrosion (weld erosion) in stainless steel in some environments.

316 Stainless steel Hexagonal steel It is a special corrosion resistant structure mainly used in food industry and surgical equipment. 316 stainless steel plasticity, toughness, cold denaturation, welding process performance is good, 316 high temperature strength is good, 316L high temperature performance is slightly worse, but corrosion resistance is better than 316, because the carbon content is low and contains 2%-3% molybdenum, improve the corrosion resistance of reducing salts and various inorganic acids and organic acids, alkali, salts, and high temperature strength.

316L Stainless steel Hexagonal steel due to the addition of Mo, 316L stainless steel has excellent corrosion resistance, especially pitting corrosion resistance; High temperature strength is also very good; Excellent work hardening (weak magnetism after processing); The solid solution state is non-magnetic.

321 Stainless steel Hexagonal steel exhibits high strength, resistance to oxidation peeling and subsequent stability against aqueous solution corrosion in a temperature range up to approximately 900 degrees Celsius. 321 Stainless steel gloss bar also has excellent forming and welding characteristics, can be bent or roll pressed forming, no annealing after welding. It has excellent toughness even at low temperatures.

304L Stainless steel Hexagonal steel mainly depends on its alloy composition (chromium, nickel, titanium, silicon, aluminum, manganese, etc.) and internal structure, and chromium plays a major role. Chromium has high chemical stability, which can form passivation film in cold rolled plate, isolate stainless steel from the outside world, protect cold rolled plate from oxidation, and increase the corrosion resistance of cold rolled plate. After the passivation film is damaged, the corrosion resistance decreases.