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ASTM A500 GR.B HOLLOW STRUCTURAL SECTION
ASTM A500 GR.B is the most commonly used cold-formed welded structural steel pipe in North America, with moderate strength, good weldability/formability, and high cost performance, widely used in construction, bridges, and mechanical structures.
ASTM A1085 Gr.A HOLLOW STRUCTURAL SECTION
ASTM A1085 is a standard specifically for cold-formed welded carbon steel hollow structural sections (HSS), with only a single unified steel grade (Grade A). Its core features are a controlled yield strength range of 345–485 MPa, clear impact toughness requirements, and strict dimensional tolerances, designed specifically for seismic, bridge, and other dynamically loaded structures.
BS EN 10210 S275J0H Structural Box Section
EN 10210 S275J0H (Material No. 1.0149) is a non-alloy structural steel for European standard hot-formed hollow sections, featuring medium strength, good low-temperature toughness, and weldability. It is widely used in structural components in construction, machinery, energy, and other industries.
DIN 1629 ST 52 Seamles Steel Pipe
DIN 1629 is a German industrial standard, officially titled 'Technical delivery conditions for non-alloy seamless circular steel pipes with special quality requirements.' The main steel grades are St37.0, St44.0, and St52.0. It is mainly used for seamless steel pipes in the fields of chemical engineering, mechanical engineering, and pressure vessels.
EN 10219 S235JR Scaffolding Steel Pipe
EN 10219 S235JR (commonly S235JRH, where H specifically refers to hollow sections) is a cold-formed welded hollow structural steel under the European standard. It is often used for manufacturing scaffolding, offering good mechanical performance, weldability, and cost-effectiveness, and can meet the load-bearing and safety requirements of scaffolding.
JIS G 3101 SS400 Carbon Steel Pipe
JIS G 3101 This Standard specifies the hot rolled steels and hot extruded sections used for general structure such as bridges, ships, rolling stocks and other structures (hereafter referred to as "steel product"). The core steel grades include SS330, SS400, SS490, and SS540, with product forms covering steel plates, steel strips, structural steel, and bars.
EN 10217-2 focuses on Electric welded non‑alloy and alloy steel tubes with specified elevated temperature properties, with P195GH/P235GH/P265GH/16Mo3 as the core steel grades. It meets different safety requirements through TC1/TC2 classification and is the core European standard for selecting high-temperature pipelines in power plants, chemical, and boiler industries. It complements EN 10216-2 (seamless steel pipes) and covers the high-temperature pressure requirements of welded processes.
EN 10217-1 Non-Alloy Steel Pipes
EN 10217-1: Non-alloy welded steel pipes for pressure purposes at room temperature, divided into two quality grades, TR1/TR2, with a total of six core steel grades. Suitable for high-frequency welding (ERW) and submerged arc welding (SAW) processes, meeting the strength, plasticity, and weldability requirements for pressure applications at normal temperature.
EN 10210 S275 HOT ROLLED HOLLOW SECTION
EN 10210 is a European standard covering hot-finished hollow sections of non-alloy and fine-grain steels in circular, square, rectangular, or elliptical shapes. It applies to profiles that are either hot-formed or cold-formed and heat-treatment, and it is the preferred profile for load-bearing structures such as buildings and bridges.
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