Q355b Hot Rolled H-Section Steel 300×300 500×500mm Structural Beam for Bridge Infrastructure

Jan 07, 2026

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Engineered for bridge and highway projects, this Q355b H-section beam features core square sizes 300×300mm and 500×500mm, web thickness 10–35mm, flange thickness 12–55mm, and lengths 6–14m. With a yield strength of 355MPa and excellent low-temperature impact resistance, it withstands dynamic traffic loads and harsh weather conditions. Hot rolling ensures uniform grain structure and dimensional accuracy, critical for bridge deck supports and piers. The symmetrical cross-section optimizes stress distribution, resisting bending and torsion under extreme pressure. Optional galvanizing provides corrosion protection in coastal environments, extending service life to over 25 years. Compliant with GB/T 1591 and ASTM standards, it is a reliable solution for large-scale civil engineering projects.

 

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High Quality ASTM A36 S355jr HEA/IPE H Beam Hot Rolled Galvanized for Commercial Steel Structures

 

This commercial-grade H beam integrates ASTM A36 (250MPa yield) and S355jr (355MPa yield) grades, covering HEA/IPE European sections with sizes 180×94mm to 700×250mm and lengths 6–12m. Hot-dip galvanizing ensures corrosion resistance for shopping mall frames, office building supports, and retail store steel structures. The wide flange design maximizes interior space by supporting long spans without intermediate columns. Hot rolling delivers smooth surface finish and excellent weldability, reducing secondary processing costs. With a balanced strength-to-weight ratio, it absorbs seismic forces to enhance building safety. Priced competitively for bulk orders, it meets global commercial construction standards, balancing performance, aesthetics, and cost-efficiency.

 

 

 

 

 

High Quality ASTM A36 A572 S235jr S355 HEA/HEB/IPE H Beam Hot Rolled Galvanized for Steel Structures

 

This premium universal H beam integrates ASTM A36 (250MPa yield), A572 Grade 50 (345MPa yield), S235jr (235MPa yield), and S355 (355MPa yield) grades, covering full European HEA/HEB/IPE sections with sizes ranging from 150×75mm to 1000×300mm (height×flange width), web thickness 6–25mm, flange thickness 10–45mm, and customizable lengths 6–14m. Hot-dip galvanizing meets EN ISO 1461 standards for superior corrosion resistance, ideal for outdoor steel structures like warehouses and bridges. The wide flange design maximizes load-bearing capacity, supporting long spans to eliminate intermediate columns. Hot rolling ensures uniform grain structure and excellent weldability, accelerating on-site assembly. Priced competitively per ton, it balances high strength, durability, and cost-efficiency for large-scale steel structure projects worldwide.

 

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H-Beam Steel ASTM A36 Q235 Q355 S275jr 100/200/300mm Standard for Steel Structures

 

This multi-grade H beam combines ASTM A36 (250MPa yield), Q235 (235MPa yield), Q355 (355MPa yield), and S275jr (275MPa yield) steel, with core sizes 100×50mm, 200×100mm, 300×150mm, plus a 150×150mm standard profile and lengths 6–12m. Compliant with ASTM A992 and A572 standards, it delivers versatile performance: Q235/A36 suits light-to-medium load frames, while Q355/S275jr caters to heavy-duty supports with tensile strength 400–630MPa. Hot rolling ensures precise dimensional accuracy and smooth surface finish, simplifying welding and fabrication. The optimized H-shape distributes stress evenly, resisting bending and buckling under static and dynamic loads. Cost-effective and globally certified, it is a reliable choice for residential, commercial, and industrial steel structure projects.

 

 

 

 

 

Q355b Hot Rolled H-Section Steel 200×200 400×400mm Structural Beam & Column

 

Crafted from Q355b high-strength steel (355MPa yield, 470–630MPa tensile strength), this H-section beam features core square sizes 200×200mm and 400×400mm, plus a range of 150×150mm to 500×500mm, web thickness 8–30mm, flange thickness 10–50mm, and lengths 6–14m. Engineered for dual use as beams and columns in high-rise buildings and heavy industrial facilities, it delivers exceptional impact resistance and seismic performance. Hot rolling ensures uniform material density and excellent weldability, enabling seamless connection to concrete foundations and steel reinforcements. The symmetrical cross-section optimizes load distribution, minimizing structural deformation under extreme pressure. Optional hot-dip galvanizing extends service life in humid or coastal environments, making it a top choice for critical infrastructure projects.

 

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