News
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2025-07Key Control Points for Steel Structure Supervision Standing
(1) Prior to construction, supervisors shall inspect the incoming materials (steel, high-strength bolts). All materials must have factory quality certificates and pass on-site sampling and testing before use. Welding rods, wires, and fluxes must meet specified requirements.(2) Verify the technical q......
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2025-07Xinguangzheng Steel Structure Teaches You: Steel Structure Welding Workshop/Warehouse Building
(I) Material Quality Requirements(1) Welding rods, welding wires, fluxes, electroslag welding consumable nozzles, studs, welding ceramic ferrules, and shielding gases used in the construction of Xinguangzheng Steel Structure welding workshops/warehousesmustpossess factory quality certifi......
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2025-07Xinguangzheng Steel Structure Informs You: Relevant Regulations for Welding Construction Quality Acceptance of Steel Structures
(I) General ProvisionsUltrasonic testing (or other non-destructive testing) of welds forcarbon structural steelshall be performed after the weld has cooled to the ambient temperature.Ultrasonic testing (or other non-destructive testing) of welds forlow-alloy structural steels......
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2025-07Xinguangzheng Structure Informs You: Construction Regulations for Steel Structure Fireproof Coatings
Qualified Personnel:Fireproof spraying protection for Xinguangzheng steel structures shall be carried out by specialized construction teams certified through training. Safety techniques and labor protection requirements during construction must comply with current national regulations.Prerequi......
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2025-07Composition and Determination of Construction Project Costs
Xinguangzheng Steel Structure Knowledge Point: Damage Detection of Steel StructuresDamage Types:Mechanical forces, temperature.Detection Content:(1) Member straightness; (2) Member surface defects; (3) Connections (welded, bolted); (4) Steel corrosion; (5) Fireproof coating thickness.Con......
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2025-06Causes and Preventive Measures for Welding Cracks in Steel Structures
(I) Hot CracksHot cracks, also known as high-temperature cracks or solidification cracks, occur at elevated temperatures. They typically form within the weld metal but can also appear in the heat-affected zone (HAZ). Manifestations include longitudinal cracks, transverse cracks, root cracks, crater......
