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Renowned for its exceptional weldability and high strength-to-weight ratio, 4130 pipe is a top choice for aerospace and aviation industries—used to craft gears, piston rods, and other critical components for commercial/ military aircraft. It also excels in automotive parts, cutting tools, and lathe beds, delivering reliability in high-performance scenarios.
The angle steel is mainly used to make frame structures, such as high-voltage transmission towers, frames on both sides of the main beam of steel structure bridges, columns and booms of tower cranes on construction sites, columns and beams of workshops, etc., small places such as flower pot shaped shelves at the festival roadside, and shelves with air-conditioning and solar energy hung under windows. Angle steel is also widely used in building structures and engineering construction, such as house beams, power transmission towers, lifting and transportation machinery, ships, industrial furnaces, reaction towers, container racks and warehouse shelves.
The better weldability also makes 4130 Carbon Steel Pipe a popular choice in the aerospace industry, which is used to manufacture commercial and military aircraft components requiring high strength and low weight. Examples include gears, piston pins, etc. Other uses of 4130 steel include auto parts, cutting tools and drilling machines.
Factory-produced for unbeatable pricing and premium quality, our carbon flat steel holds annual ISO9001, CE, and SGS certifications. Backed by a 2-year warranty, it’s ideal for construction and machinery components, offering uniform thickness and easy machinability for large-scale, cost-sensitive projects.
A DIN 1623-compliant general-purpose cold-rolled steel, ST12 is optimized for bending and forming (not stamping). Its consistent material properties make it suitable for manufacturing structural parts requiring precise shaping, such as automotive body panels and appliance components
A German-standard seamless pipe with a minimum tensile strength of 420MPa, ST42 is widely used for fluid transport (e.g., water, oil) and structural applications. Produced in large volumes from carbon or low-alloy steel, it balances affordability and performance for industrial piping projects