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Carbon Steel Coil
Carbon steel coils possess excellent mechanical properties. They possess high strength, hardness, and toughness, allowing them to withstand significant pressure and impact. Furthermore, they exhibit good plasticity and weldability, making them easy to process and form. These excellent properties have led to their widespread use in construction, machinery, automobiles, home appliances, and other fields.
S235JR is a European standard non-alloy structural steel widely used in construction, bridges, machinery manufacturing, etc. It meets the requirements of European standard EN 10025-2 and is favored for its good comprehensive properties, low carbon content and excellent welding performance.
Q195 is a carbon structural steel with a yield strength of 195 MPa, meaning it can maintain its shape under a pressure of 195 MPa. It is known for its excellent plasticity, toughness, and weldability, while also offering good press workability. Compared to Q235, Q195 has lower strength but is more economical. This steel is widely used in construction, structures, motorcycle frames, and other fields.
The hot-rolled steel coil is made of continuous casting slab or pre-rolled slab as raw material, heated by a walking heating furnace, descaled by high-pressure water, and then entered into the rough rolling mill. Computer-controlled rolling, after final rolling, laminar cooling (computer-controlled cooling rate) and coiling by a coiler become straight rolls.
S355JR hot-rolled carbon steel coil offers good wear resistance. S355JR material exhibits minimal deformation during cutting and is easily welded. It is commonly used for cutting large parts, long strips, and square plates. S355JR steel can also be used for welding large structural components. Applications include mining and metallurgical machinery and equipment, construction machinery, hydraulic machinery, bridge construction, and high-rise buildings.
A36 steel, defined by the ASTM A36/A36M standard, is an American standard for carbon structural steel. It is similar to the domestically produced Q235 steel grade, but with some minor differences in chemical composition and mechanical properties. A36 carbon steel coil refers to rolled coils of this alloy with thicknesses ranging from 1.5 mm to 20 mm and widths up to 2,000 mm. Coils can be further cut into narrower widths or cut to length for subsequent processing.
SPCC (cold-rolled commercial steel sheet) is a type of cold-rolled steel sheet. It is produced by cold-rolling SPHC (hot-rolled steel sheet) at room temperature. Among cold-rolled steel sheets, it is classified as "general-purpose" and is also known as "polished material," "rolled material," and "cold-rolled steel sheet." It is commonly used in sheet metal processing and has a wide range of applications, including parts for watches, cameras, and automobiles.
Q235 is a low-alloy high-strength structural steel defined in accordance with the Chinese national standard (GB/T 700-2006), where "Q" stands for yield strength and "235" means its minimum yield strength is 235 MPa. This steel has high plasticity and toughness, is easy to weld and process, and maintains good tensile strength and corrosion resistance.
Q345 steel is a national standard low-alloy steel with a carbon content of less than 0.2%. A small amount of alloying is added to enhance strength. It is available in five grades and exhibits excellent mechanical properties, low-temperature resistance, and processability. It is widely used in construction, bridges, vehicles, ships, and other fields. The yield strength of Q345 steel exceeds 345 MPa. According to the standard, the yield strength decreases with increasing thickness.
Cold-rolled steel is easily coated, has excellent stamping properties, and has a low yield point, making it widely used in industries such as automotive and construction. Its excellent stamping properties, resistance to aging, and low yield point make it widely used in industries such as automotive, printed drums, construction, building materials, and bicycles, and it is often used as a preferred material for the production of organically coated steel sheets.
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