S235J0 Square Tube
Features
Chemical composition: The chemical composition of S235J0 does not exceed 0.22% carbon, 0.55% silicon, 1.60% manganese, and 0.025% phosphorus and 0.025% sulfur, respectively.
Mechanical properties: Good plasticity, toughness, weldability and cold stamping properties.
Impact temperature: The impact temperature of S235J0 is 0°C, which means that it still has good impact toughness at 0°C.
Description
S235J0 is a common carbon structural steel suitable for manufacturing structural parts with low stress. Its good comprehensive properties make it widely used in construction, bridges and machinery manufacturing.
Uses
Tie rods, connecting rods, pins, screws, nuts, ferrules, brackets, etc. in building structures.
Support systems in bridge engineering.
Non-critical components in machinery manufacturing.
S275J0 Square Tube
Features
Chemical composition: Similar to S235J0, but the specific values may be different.
Mechanical properties: moderate high strength toughness, fatigue resistance, impact resistance, corrosion resistance, welding and easy processing and other comprehensive high-quality properties.
Impact temperature: The impact temperature of S275J0 is 0°C.
Applications
Heavy machinery, presses, offshore platforms, mining machinery, coal mining machinery, pressure components, mechanical molds, cranes, ship equipment, marine engineering equipment, port machinery, wind power generation, boxes, etc.
S355J0 square tube
Features
Chemical composition: carbon content does not exceed 0.22%, silicon does not exceed 0.55%, manganese does not exceed 1.60%, phosphorus and sulfur content does not exceed 0.025% and 0.025% respectively.
Mechanical properties: high strength and good toughness, yield strength has different requirements at different thicknesses.
Impact temperature: The impact temperature of S355J0 is 0°C.
Applications
Load-bearing structures and support systems in building structures.
Important structural parts in bridge engineering.
Key components in automobile manufacturing.
S355J2 Square Tube
Features
Chemical composition: Similar to S355J0, but the specific values may be different.
Mechanical properties: It has comprehensive high-quality properties such as high strength, high toughness, fatigue resistance, impact resistance, corrosion resistance, welding and easy processing.
Impact temperature: The impact temperature of S355J2 is -20°C, which means that it still has good impact toughness at -20°C.
Our products are exported to more than 60 countries and regions including Europe, the Middle East, Southeast Asia, Australia, Latin America, South Africa, etc. We have won the recognition of customers with good reputation and good service. Since its establishment, the company has always adhered to the business philosophy of "making friends while doing business", insisting on being ourselves first and doing good deeds, taking customer satisfaction as the goal, reputation first, and being committed to providing customers with first-class products and meticulous and efficient services.

Company integrating production and trade, with 14 years of experience in high-quality steel production, providing one-stop service for global customers.
The products are widely used in the construction and infrastructure fields, such as bridges, large buildings, highways, tunnels, airports, docks, etc. Steel is an ideal choice for these structures, capable of withstanding heavy weights and strong winds.