SUS400, SUS300, SUS200, SUS600 series of stainless steel rod production process LDY-PY23
- HDT steel
- Delivery time
- 7-15 days
- payment method
- T/T L/C
- Product customization
What is stainless steel
Stainless steel round steel belongs to a class of profiles, refers to the cross section is uniform round and straight long profiles, generally about 6 meters long. According to the production process, it can be divided into hot rolling, forging and cold drawing. According to the surface delivery state can be divided into light circle and black rod. Light round: refers to the smooth surface after cold rolling, peeling or cold pull polishing processing; Black bar: refers to the round steel that does not deal with the oxide layer on the surface after direct hot rolling, forging or annealing.
Stainless steel rod is widely used in auto parts, aviation, aerospace hardware tools, chemicals, crafts, bearings, medical instruments, electrical appliances, hardware kitchenware, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, building decoration, nuclear power, military industry and other industries. Seawater equipment, chemical, dye, paper, oxalic acid, fertilizer and other production equipment; Food industry, coastal facilities, ropes, CD bars, bolts, nuts. And so on.
Stainless steel bar shape: round steel, square steel, flat steel, hexagonal steel and octagonal steel can be customized
Stainless steel rod material :201, 202, 301, 304, 304L, 303, 321, 316, 316L, 310S, 630, 1Cr13, 2Cr13, 3Cr13, 1Cr17Ni2, duplex steel, antibacterial steel, etc
Note: can be made to order all kinds of material, specifications of stainless steel rod.
Stainless steel rod production process
Stainless steel bar can be divided into hot rolling, forging and cold drawing according to the production process. Hot rolled stainless steel round steel specifications are 5.5-250 mm. Among them: 5.5-25mm small stainless steel round steel mostly in straight bundles supply, commonly used as reinforcement, bolts and various mechanical parts; Stainless steel round steel larger than 25 mm, mainly used in the manufacture of mechanical parts or as seamless steel billet.
Classification of stainless steel rod
It can be divided into Cr system (SUS400), Cr-Ni system (SUS300), Cr-Mn-Ni system (SUS200) and precipitate hardening system (SUS600).
200 series - Chrome-nickel-manganese austenitic stainless steel
300 series - Chrome-nickel austenitic stainless steel
301- Good ductility for molding products. It can also be hardened by machine speed. Good weldability. The wear resistance and fatigue strength are better than 304 stainless steel.
302-corrosion resistance and 304, due to relatively high carbon and therefore better strength.
303- It is trimmed by adding a small amount of sulfur and phosphorus.
304- 18/8 stainless steel. GB brand is 06Cr19Ni10.
309- Better temperature resistance than 304.
316- The second most widely used steel after 304, mainly used in the food industry and surgical equipment, with molybdenum added to give it a special structure that is resistant to corrosion. It is also used as "Marine steel" because of its better resistance to chloride corrosion than 304. SS316 is usually used in nuclear fuel reprocessing units. Grade 18/10 stainless steel is also usually qualified for this application class.
Model 321- Similar to 304 except that titanium is added to reduce the risk of weld corrosion.
400 series - ferrite and martensitic stainless steel
408- Good heat resistance, weak corrosion resistance, 11% Cr, 8% Ni.
409- Cheapest model (Anglo-American), usually used as automobile exhaust pipe, ferritic stainless steel (chrome steel).
410- Martensite (high strength chromium steel), good wear resistance, poor corrosion resistance.
416- Sulfur was added to improve the machining properties of the material.
420-" edge grade "martensitic steel, similar to brinell high chromium steel, the earliest stainless steel. Also used for surgical knives, which can be made very bright.
430-ferritic stainless steel, for decorative purposes, e.g. for automotive accessories. Good formability, but poor temperature and corrosion resistance.
440- high strength cutting steel, slightly high in carbon, with proper heat treatment to achieve high yield strength, hardness up to 58HRC, is one of the hardest stainless steels. The most common example is the "razor blade". There are three common models :440A, 440B, 440C, and 440F(easy to process).
Series 500 - Heat resistant chrome alloy steel.
600 series - Martensite precipitation hardened stainless steel.
630- The most commonly used precipitation hardened stainless steel model, also commonly called 17-4; 4% 17% Cr, Ni.
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