Customization:	Available
Type:	Steel Structures
Standard:	AISI, GB, BS, DIN, ASTM, JIS

Carbon steel
Mainly refers to the steel with the mass fraction of carbon less than 2.11% and without deliberately added alloying elements. Sometimes called plain carbon steel or carbon steel. Carbon steel, also known as carbon steel, refers to an iron-carbon alloy with a carbon content of Wc less than 2.11%. Carbon steel generally contains a small amount of silicon, manganese, sulfur and phosphorus besides carbon.
Properties of carbon steel		1. After heat treatment, the hardness and wear resistance can be improved. 2. Proper hardness and good machinability during annealing. 3. Its raw materials are very common, so it is easy to find, so the production cost is not high.
Classification of carbon steel		1, according to the purpose can be divided into structure, tools, free-cutting structural steel these three categories. 2. According to the way of tempering, it can be divided into three types: open hearth steel, converter steel and electric furnace steel. According to the way of deoxidation, it can be divided into boiling steel, killed steel, semi-killed steel and special killed steel. 4. According to carbon content, it can be divided into low carbon, medium carbon and high carbon.
Common carbon steel		1. Carbon structural steel Brand name: Q235-A F, which means σs≥235MPa. Note: Q is the quality grade of yield strength A (with ABCD grade 4), and F boiling steel is characterized by low price and excellent technological properties (such as weldability and cold formability). Application: General engineering structures and general mechanical parts. For example, Q235 can be used to make bolts, nuts, pins, hooks and less important mechanical parts, as well as rebar, section steel and steel bars in building structures.
		2. High quality carbon structural steel Brand: Example 45, 65Mn, 08F Brand Note: It directly indicates the carbon content of metal. Application: Non-alloy steel used to manufacture important mechanical parts is generally used after heat treatment. Common steel grades and uses: 08F, low carbon content, good plasticity and low strength, used for stamping parts such as automobile and instrument housings; 20, good plasticity and weldability, used for parts with low strength requirements and carburized parts, such as hoods, welding containers, small shafts, nuts, washers and carburized gears; 40Mn, with good comprehensive mechanical properties after tempering, is used for mechanical parts with large stress, such as gears, connecting rods, machine tool spindles, etc. 60, 65Mn steel has high strength; Used for manufacturing various springs, motorcycle rims and low-speed wheels.
		3. Carbon tool steel Brand: For example, T12 steel means carbon tool steel with Wc=1.2%. Brand Note: T plus metal carbon content in thousandths Features: It belongs to eutectoid steel and hypereutectoid steel, with high strength and hardness and good wear resistance. It is suitable for manufacturing all kinds of low-speed cutting tools. Commonly used steel grades and uses: T7, T8: Making parts that bear certain impact and require toughness. Such as sledgehammers, punches, chisels, woodworking tools, scissors T9, T10, T11: Tools that require high hardness and wear resistance with less impact are manufactured. Such as taps, small drills, dies, hand saw blades T12 and T13: making tools that are not impacted. Such as files, scrapers, razors and measuring tools.
		4. Cast steel Brand: for example, ZG200-400, which means cast steel with σs≥200MPa and σb≥400MPa. Performance: the casting performance is worse than that of cast iron, but the mechanical properties are better than that of cast iron; Application: It is mainly used to manufacture important mechanical parts with complex shapes and high mechanical properties, which are difficult to be formed by forging and other methods in technology, such as gearbox housing of automobiles, couplers and couplings of locomotives and vehicles.
Channel steel processing		1. Cutting method: Common cutting methods include wire cutting, oxygen cutting, plasma cutting, etc. 2. Welding method: The welding methods for channel steel include manual welding, gas welding, arc welding, TIG welding, MIG/MAG welding, etc. 3. Punching method: The punching method for channel steel includes two types: mechanical punching and hydraulic punching. 4. Other processing methods: The processing of channel steel also includes various methods such as sawing, planing, cold/hot bending, etc. Different processing methods are also designed for different processing needs and need to be selected according to specific situations.
Angle steel processing		The process flow of angle steel processing generally includes steps such as cutting, sawing, punching, bending, welding, straightening, and surface treatment. The specific content of each step will be introduced in detail below. The commonly used methods for angle steel processing include sawing, punching, bending, welding, and polishing.
Angle steel process flow		1. Blanking: The first step in angle steel processing is to cut the raw materials into the required length of angle steel billets according to design requirements. 2. Sawing: Saw the angle steel blank obtained from cutting according to the design requirements to obtain the required size. 3. Punching: According to design requirements, punching is performed on the angle steel for subsequent connection and fixation. 4. Bending: The angle steel is bent and processed using specialized bending machinery to meet specific shape requirements. 5. Welding: Weld the angle steel that needs to be connected, common welding methods include manual arc welding, gas shielded welding, etc. 6. Straightening: Straighten the welded angle steel to ensure the accuracy of its shape and size. 7. Surface treatment: In order to improve the surface quality of angle steel and prevent corrosion, surface treatment is often required, including rust removal, spraying protective paint, etc.
Angle steel processing method		1. Sawing: The sawing of angle steel can be done using equipment such as manual saws, mechanical saws, or laser cutting machines. According to different requirements, right angles or oblique angles can be cut. 2. Punching: Angle steel punching is generally carried out using a punching machine, and single or multi hole punching can be carried out as needed to meet the requirements of connection and fixation. 3. Bending: The bending of angle steel can be done manually or mechanically. Mechanical bending can use bending mechanical equipment to achieve different angles and bending radius requirements by adjusting the position of the mold and workbench. 4. Welding: The welding of angle steel can be carried out using methods such as manual arc welding, gas shielded welding, or laser welding. Preparation work is required before welding, including cleaning the welding surface, selecting suitable welding materials, and welding process parameters. 5. Polishing: Polishing is to improve the surface quality and smoothness of angle steel. Mechanical polishing or manual polishing methods can be used, using suitable sandpaper or polishing cloth for grinding to obtain a smooth surface.
Flat steel processing		The scale of flat steel is accurate, with a difference of three points, and the same level difference is better than the steel plate standard; The product is straight and has a good shape. The precision rolling adopts a continuous rolling process with automatic loop control, ensuring no stacking or pulling of steel. The product has high dimensional accuracy, and the tolerance range, three point difference, same strip difference, sickle bending and other parameters are better than those of the medium plate, and the flatness of the plate shape is good. Cold shear cutting, high accuracy in length sizing. Flat steel can be produced according to user needs, with fixed thickness, width, and length, reducing cutting and saving processes, reducing labor and material consumption, as well as reducing processing losses of raw materials, saving time, labor, and materials. Flat steel has been professionally used as a material in steel structure manufacturing, machinery manufacturing, automotive industry, mining machinery, lifting machinery, and other industries.
Z-shaped steel		Z-shaped steel is a common cold-formed thin-walled steel with a thickness generally between 1.6 and 3.0mm, and a cross-sectional height mostly between 120-350mm. The processing material is hot-rolled (painted) and galvanized. The processing standard shall be executed according to GB50018-2002. Z-shaped steel is usually used in large steel structure factories. The processing length and holes are produced according to the processing requirements. Cold formed Z-shaped steel has the advantages of adjustable specifications and large compressive strength. It is widely used in fields such as automobiles, railway vehicles, building doors and windows, transportation, shelves, electrical cabinets, highway guardrails, building steel structures, containers, steel templates and scaffolding, solar powered support shipbuilding, bridges, transmission towers, steel sheet piles, cable trays, agricultural machinery, furniture, warehousing, guide rails, keel steel, vegetable greenhouses, pipeline supports, municipal construction, etc.
Grade of carbon steel		Ordinary carbon steel plates: Q235B steel plate, Q235C steel plate, Q235D steel plate and Q235E steel plate. High quality carbon steel plates: 10# steel plate, 20# steel plate, 35# steel plate, 45# steel plate, 50# steel plate, 20Mn steel plate, 25Mn steel plate, 30Mn steel plate, 35Mn steel plate, 40Mn steel plate, 45Mn steel plate and 50Mn steel plate. Low-alloy high-strength steel plates: Q345B, Q345C, Q345D, Q390B, Q390C, Q390D, Q420C, Q420D, Q460B, Q460C and Q460D. Pressure vessel steel plates: Q245R steel plate, 20G steel plate, Q345R steel plate and 15CrMoR steel plate. Spring steel plates: 27SiMn steel plate, 35SiMn steel plate, 55SiMn steel plate, 60Si2Mn steel plate and 65Mn steel plate. High strength wear-resistant steel plates: NM360 wear-resistant plate, NM400 wear-resistant plate, NM450 wear-resistant plate and NM500 wear-resistant plate. High manganese steel plate: Mn13 steel plate and Mn16 steel plate alloy structural steel plate: 20Cr steel plate, 40Cr steel plate, 15CrMo steel plate, 20CrMo steel plate, 25CrMo steel plate, 30CrMo steel plate, 40CrMo steel plate, 20Mn2 steel plate, 40Mn2 steel plate, 50Mn2 steel plate, 20MnSi steel plate and 20CrMnMo steel plate.

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