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192 is the steel of carbon structural steel, which is a kind of alloy steel and carbon steel. The carbon content is about 0.05%~0.70%, and some can reach up to 0.90%. It can be divided into ordinary carbon structural steel and high-quality carbon structural steel. Round steel has relatively high strength, high hardenability and very good toughness, so its pressure bearing capacity is also guaranteed. Even if it is used at high temperature, the creep strength is high and the durability is also guaranteed.
ST37 is a German standard (now superseded by EN 10025-2 S235JR) for structural steel sections and plates. Round bars of equivalent material are typically supplied as S235JR under standards for steel bars, not under the "ST37" designation for plates/sections. The description about cold-rolled strip and high surface finish pertains to cold-rolled sheet/coil products, not to structural round bars.
A106Gr. B Carbon steel round bar
A106 GrB strength grade 415MPa. ASTM A106Gr. B carbon steel round bar is a kind of low carbon steel widely used in petroleum, chemical and boiler industries. The material has good mechanical properties. Carbon steel round bar for high-temperature operation ASTM A106 GR. B, steel grade: SA106B, Specification: 1/4 ″ - 28 ″, 13.7-711.2mm Steel grade: GRAD B, Standard: ASTM A106 - American Society for Testing and Materials. Round steel has relatively high strength, high hardenability and very good toughness, so its pressure bearing capacity is also guaranteed. Even if it is used at high temperature, the creep strength is high and the durability is also guaranteed.
Ordinary low alloy steel is a kind of ordinary alloy steel containing a small amount of alloy elements (in most cases, the total amount of w does not exceed 3%). This kind of steel has high strength, good comprehensive properties, corrosion resistance, wear resistance, low temperature resistance, and good cutting and welding properties. Under the condition of saving a lot of rare alloy elements (such as nickel and chromium), usually 1 t ordinary low alloy steel can be used for 1.2-1.3 t carbon steel, and its service life and scope of use are much longer than carbon steel. Ordinary low alloy steel can be smelted in open hearth furnace and converter with general smelting method, and the cost is close to that of carbon steel
Round steel belongs to carbon structural steel for construction and machinery, while square steel belongs to carbon structural steel for machinery. Both of them are simple section steel, and their section shapes are respectively round and square. Low carbon is mainly used for drawing wire, forging rivets, bolts, nuts and other metal products of raw materials. Medium carbon round steel and square steel are generally used to make mechanical structural parts.
2205 Stainless steel round bar
2205 duplex stainless steel round bar (UNS S32205/S31803) is a common material used in industrial production, machining, and construction. It is used for shafts, valves, fittings, and fasteners in demanding environments such as: 1. Oil and gas (downhole tools, valves); 2. Chemical processing equipment (pumps, shafts); 3. Marine and offshore applications; 4. High-strength structural components in corrosive settings. It is not typically used for "seamless steel pipe" applications as described; those are separate product forms.
Stainless steel round bar is a common type of steel, which is widely used in industrial production, machining, construction and other fields. 201 stainless steel is mainly used for decorative tubes, industrial tubes and some shallow stretched products. Such as: oil waste gas combustion pipeline; Engine exhaust pipe; Boiler shell, heat exchanger and heating furnace components; Silencing parts for diesel engine; Boiler pressure vessel; Chemical transport vehicle; Expansion joint; Spiral welded pipe for gas furnace pipe and dryer, etc.
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