430 (1.4016, UNS S43000) stainless steel is called "stainless iron" in the industry because it is a kind of ferritic stainless steel, has good corrosion resistance, and has better thermal conductivity than austenitic stainless steel. 430 stainless steel is currently mainly used in room temperature or high temperature scenes such as building decoration, some home appliance parts, fuel burner parts, etc. However, because the chromium content in 430 stainless steel is much less than that of 304, it is not as good as 304 in terms of hardness.

Compared with cobalt-containing and high-nickel alloys, Nitronic 60 (Alloy 218, UNS S21800) high-strength stainless steel bars can achieve corrosion resistance and wear resistance at a very low cost. Its overall corrosion resistance is better than type 304 in most media. In Nitronic 60, the ability to resist chloride pitting is better than that of 316. Alloy 218 stainless steel rod has high strength, high corrosion resistance, high elongation, yield strength is twice that of 304 and 316 stainless steel, flexible state, high resistance to chloride crevice corrosion and stress corrosion cracking, tension can exceed 200 times .

ALLOY 2507 (1.4410, UNS S32750, F53) is a duplex stainless steel, a super duplex stainless steel composed of 25% chromium, 4% molybdenum and 7% nickel. Main components: 25Cr-7Ni-4Mo-0.27N2507 is a ferritic-austenitic (duplex) stainless steel, also called duplex stainless steel, which has excellent resistance to pitting, crevice corrosion and uniform corrosion. Application areas: pulp and paper industry, seawater desalination, flue gas purification, heat exchangers, chemical tanker piping systems, seawater systems, etc.

S32760 is a super duplex stainless steel with high strength and strong corrosion resistance. It is mainly used in chemical processing, petrochemical and subsea equipment. It has strong resistance to chloride corrosion, higher thermal conductivity and lower coefficient of thermal expansion. With higher chromium, molybdenum and nitrogen content, it has high resistance to pitting corrosion, crevice corrosion and general corrosion. Application areas of S32760: Oil and gas industry equipment, offshore platforms, heat exchangers, underwater equipment, firefighting equipment, chemical processing industry, utensils and pipeline industries, desalination plants, high-pressure RO plants and subsea pipelines, mechanical parts (high-strength, corrosion-resistant parts)

431 belongs to American standard martensitic stainless steel, the implementation standard: ASTM A276/A276M-2017 The metallographic structure of 431 is "Martensitic", so it will be magnetized. 431 series is a kind of martensitic stainless steel with a good combination of strength and toughness. It has good corrosion resistance to aqueous solutions of oxidizing acids, most organic acids and organic salts. It is generally suitable for the production of nitric acid, acetic acid, light industry, textile and other industries that require both toughness and corrosion resistance of shafts, piston rods, pumps and other parts.

17-7 PH (1.4568, UNS S17700) is an austenitic-martensitic precipitation hardening stainless steel developed on the basis of 18-8CrNi, also known as controlled phase change stainless steel. The characteristics of 17-7PH alloy are that it can be heat treated to obtain high hardness and high strength, excellent fatigue resistance, good corrosion resistance and small heat treatment deformation. 17-7PH precipitation hardening steel This type of steel is mainly used to manufacture aircraft shells, structural parts, missile pressure vessels and components, jet engine parts, springs, diaphragms, bellows, antennas, fasteners, measuring instruments, etc.

Nitronic 50 is a high-performance austenitic stainless steel, its yield strength is about twice that of ordinary 3xx series stainless steel, and the corrosion performance is improved. It is widely used in various marine and industrial applications. Nitronic 50 is a trademark of AK Steel Corporation. This alloy is also widely known as XM19, which is the name of the general alloy title in ASTM A276 and ASTM A479 and UNS S20910 or DIN 1.3964. Nitronic50 is generally used in petrochemical, chemical, pulp and paper, textile, food processing and marine industries.

Custom 465 (UNS S46500) stainless steel is a precipitation-hardening stainless steel formulated for primary forming into wrought products. S46500 is the UNS number for this material. Alloy 465 is the common industry name. Custom 465 is a high-quality smelted maraging steel. Custom 465 stainless steel is the best combination of strength and fracture toughness among PH stainless steels seen in the market today. Custom 465 stainless steel is used for aircraft structural components, such as engine assemblies, aircraft flap guides, actuators, landing gear components and similar components.

310S is 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 work continuously at high temperatures, and has good high temperature resistance. 1. Recommended heat treatment system: 1030 degrees Celsius -1180 degrees Celsius, rapid cooling; 2. Mechanical properties include (1.) Tensile strength: not less than 520; (2.) Provision of non-proportional extension strength: not less than 205; (3.) Elongation after breaking: not less than 35; 3. Density: 7.98

310 stainless 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 continue to operate at high temperatures, and has good resistance High temperature. Applications: petroleum, electronics, chemical, pharmaceutical, textile, food, machinery, construction, nuclear power, aerospace, military and other industries! Quality management: ISO9001: 2000 quality management system certification, production license, etc.! Remarks: Stainless steel rods of various materials and specifications can be customized non-standard.

Duplex stainless steel 2205 is composed of 21% chromium, 2.5% molybdenum and 4.5% nickel-nitrogen alloy. 2. It has high strength, good impact toughness and good overall and local stress corrosion resistance. 2205 duplex steel physical & mechanical properties: density: 7.98g/cm3, melting point: 1300-1390 ℃ Tensile strength: σb≥795Mpa, yield strength σb≥550Mpa: elongation: δ≥15%, hardness ≤310 (HB) 2205 heat treatment: Keep the temperature between 1000-1050℃ for 1-2 hours, fast air cooling or water cooling.

321 stainless steel bars are made of stainless steel ingots, which are hot rolled or forged.According to the shape, it can be roughly divided into: stainless steel round bar, stainless steel square bar, stainless steel hexagonal bar. Performance characteristics: It has good corrosion resistance, heat resistance, low temperature strength and mechanical properties, good hot workability such as stamping, bending, and no heat treatment hardening. Uses of 321 stainless steel bars: Tableware, cabinets, boilers, auto parts, medical appliances, building materials, food industry (use temperature -196°C-700°C).