Compliant with GB/T 700 (Q275) and EN 10025-2 (S275JR), this coil delivers 275MPa yield strength, 410-560MPa tensile strength, and ≥20% elongation. Optimized for structural applications, it offers excellent weldability, cold forming, and impact toughness. Ideal for construction, machinery, and bridges, it balances cost efficiency with reliable performance in moderate-to-high load environments, ensuring durability and processability for industrial projects.

Compliant with GB/T 700 (Q235), EN 10025-2 (S235JR), and ASTM A36 standards, this coil offers 235MPa yield strength, 370-500MPa tensile strength, and ≥26% elongation. With excellent weldability, formability, and cost efficiency, it is ideal for construction, bridges, machinery, and general fabrication. Its balanced properties ensure reliable performance in moderate-load environments, while surface treatments like galvanizing enhance durability. Trusted globally for its processability and affordability, driving efficient project execution.

Adhering to GB/T 1591 (Q345B), EN 10025-2 (S355JR), and DIN 17100 (ST52) standards, this coil delivers 345-355MPa yield strength, 470-630MPa tensile strength, and 20%-22% elongation. With excellent weldability, cold forming, and impact toughness, it excels in structural engineering, heavy machinery, bridges, and offshore platforms. Its optimized alloy composition ensures durability in harsh environments, while cost-effective performance makes it ideal for high-load, long-span applications, driving efficiency and safety in industrial projects.

Compliant with GB/T 700 (Q195), EN (S5330), and ASTM A1008 (A10) standards, this coil features low carbon content (≤0.12% for Q195), yielding ≥195MPa strength, 315-430MPa tensile strength, and ≥33% elongation. Ideal for cold forming, welding, and surface treatments, it excels in construction frames, automotive parts, and light structures. Balancing affordability with reliable performance, it supports cost-sensitive applications while ensuring durability and processability across diverse industrial needs.

Compliant with GB/T 700 (Q215), EN 10025 (S185), and ASTM A283 (Grade A/C), these coils offer balanced mechanical properties—Q215 (yield 215MPa, tensile 335-450MPa), S185 (low-carbon ductility), A283 (tensile 310-415MPa)—with excellent weldability, formability, and cost efficiency. Ideal for construction frames, machinery parts, storage tanks, and automotive components, they ensure dependable performance in moderate-load environments while supporting cold/hot rolling and surface treatments like galvanizing for enhanced durability.

Compliant with GB/T 700/ASTM A36 standards, Q255 carbon steel coil offers balanced mechanical properties with 255MPa yield strength, 410-550MPa tensile strength, and 12%-20% elongation. Its optimized carbon (0.18-0.28%) and manganese (0.40-0.70%) composition ensures excellent weldability, cold forming, and machinability. Ideal for structural frames, automotive chassis, machinery components, and piping systems, it provides cost-effective strength-to-weight ratio, corrosion resistance through coatings, and reliable performance in moderate-load environments. Trusted in construction, manufacturing, and transportation sectors for its processability and durability.

As a benchmark in medium-carbon high-strength carbon carbon structural steel, the 50#/C50E/1050 Carbon Steel Coil adheres to international standards including GB/T 699-1988, EN 10132-4, and ASTM A29. With a precisely controlled carbon content of 0.47%-0.55%, it delivers outstanding mechanical properties: tensile strength ≥630MPa, yield strength ≥375MPa, and elongation of 12%-20%. After quenching and tempering treatment, it achieves a hardness of HRC52-54, enhancing surface wear resistance by over 30%, making it ideal for manufacturing high-load gears, automotive crankshafts, hydraulic piston rods, and precision molds.

Compliant with EN 10130, JIS G 3141, and DIN 1623 standards, this cold-rolled steel coil offers optimized carbon content (≤0.12%), balanced tensile strength (270-410 MPa), and elongation (≥28%). Ideal for automotive body panels, home appliance casings, and structural components, it combines superior formability, smooth surface finish, and corrosion resistance. Precision-engineered for high-volume manufacturing, it delivers cost efficiency and consistent quality for global industrial applications.

Compliant with EN 10130, DIN 1623, and JIS G3141, these premium cold-rolled coils feature 0.08-0.12% carbon content, offering yield strength ≥140MPa, tensile strength 270-350MPa, and elongation ≥28%. Ideal for automotive panels, appliances, and precision components, they ensure superior surface finish, dimensional accuracy (±0.01mm), and formability. Surface treatments include oiled, galvanized, or chromated finishes for enhanced corrosion resistance. With balanced strength, ductility, and cost efficiency, these grades deliver reliable performance for mass production, ensuring durability and processability while meeting strict industrial quality standards.

These premium high-carbon steel strips (65Mn: 0.62-0.70%C, CK67: 0.65-0.73%C) deliver exceptional strength (980-1770MPa tensile), hardness (≤150HBW), and wear resistance. Optimized for spring-making, precision tools, and mechanical components, they feature excellent elasticity, fatigue resistance, and dimensional stability. Surface-polished to mirror finish, they ensure minimal friction and enhanced aesthetics. Compliant with global standards, these grades offer cost-effective performance for automotive, industrial, and consumer applications, balancing durability, machinability, and value for demanding engineering needs.

SPHC (JIS G3131) and DD11 (EN 10111) are premium hot-rolled carbon steel coils with 0.10-0.15% carbon content, offering yield strength ≥235MPa and tensile strength 270-410MPa. Optimized for cold forming, welding, and machining, they ensure high dimensional accuracy (±0.1mm thickness) and versatile surface finishes (black, pickled, oiled). Ideal for automotive panels, appliances, and structural components, these grades balance cost efficiency with reliable mechanical properties, delivering superior formability, weldability, and processability for mass production and general engineering applications.

ST37, compliant with DIN 17100, is a versatile carbon structural steel coil with yield strength ≥235MPa and tensile strength 360-510MPa. Its balanced 0.17-0.20% carbon content ensures excellent weldability, formability, and machinability. Ideal for general fabrication, automotive components, and structural frameworks, it offers cost-effective performance with strict dimensional tolerances (±0.1mm thickness). Surface options include hot-rolled, pickled, or galvanized finishes. With reliable mechanical properties and consistent quality, ST37 delivers optimal value for projects requiring durability, ease of processing, and budget efficiency, making it a preferred choice for industrial and commercial applications worldwide.

A570 Gr.A, conforming to ASTM A570, is a high-formability carbon steel coil with yield strength ≥240MPa and tensile strength 340-470MPa. Its optimized 0.10-0.18% carbon content ensures superior cold-forming, welding, and corrosion resistance. Ideal for automotive panels, appliances, and structural components, it offers tight thickness tolerances (±0.01mm) and versatile surface finishes (black, pickled, galvanized). With excellent ductility (elongation ≥30%) and cost efficiency, A570 Gr.A delivers reliable performance for mass production and general engineering, balancing strength, formability, and economic value to meet diverse industrial demands.

Q690B, compliant with GB/T 1591-2008, is a high-strength low-alloy structural steel coil with yield strength ≥690MPa and tensile strength 770-940MPa. Its optimized chemistry (C≤0.18%, Nb/V/Ti microalloying) ensures excellent weldability, toughness, and fatigue resistance. Ideal for heavy machinery, bridges, wind towers, and pressure vessels, it reduces structural weight by 30% compared to conventional steel while maintaining safety. Surface options include hot-rolled, pickled, or galvanized finishes. With strict dimensional tolerance and reliable quality control, Q690B delivers cost-effective performance for demanding engineering applications requiring high strength-to-weight ratio and durability.

SS400, compliant with JIS G3101, is a premium carbon structural steel coil with 400-510MPa tensile strength and ≥245MPa yield strength. Its optimized 0.12-0.20% carbon content ensures excellent weldability, formability, and impact toughness. Ideal for construction, bridges, machinery, and automotive frames, it offers cost-effective performance with strict chemical/mechanical controls. Surface options include hot-rolled, pickled, oiled, or galvanized finishes. With balanced strength-ductility ratio and reliable quality, SS400 delivers superior value for structural applications requiring durability and processability.