Knowledge

Which industries are suitable? Construction: Factories, stadiums, high-rise steel structures Bridges: Highway/railway bridges (Q345q series) Machinery

Commonly Used Welding Materials? Manual Welding: E5015 (J507), E5016 (J506) Submerged Arc Welding: H08MnA + HJ431 Gas Shielded Welding: ER50-6 Welding

Common delivery conditions? Hot-rolled (AR): Low cost, suitable for ≤16mm, room temperature and low pressure. Normalized (N): Uniform grains, good

Mechanical properties (t≤16mm)? Yield strength **≥345MPa**; Tensile strength 470–630MPa; Elongation **≥21%**; Passes 180° cold bend

After uncoiling, the originally intact multi-layered packaging is damaged, exposing the galvanized sheet surface to the air. The zinc layer, especiall

What is Q345 steel? Low-alloy high-strength structural steel, formerly GB/T 1591-2008, now replaced by Q355 (GB/T 1591-2018). 2. What does "Q345&

Packaging technology itself, special considerations for sea transport (especially container transport), moisture-proof and drying measures, and protec

Key points for selecting specialized lifting equipment, lifting preparation and precise operation, protection during unwinding and unloading, auxiliar

The above sealed packaging selection schemes integrate the packaging operation procedures and technical requirements of the steel industry. The specif

Moisture-proofing measures cover aspects such as packaging, storage environment, ventilation, elevated storage, and daily inspections.

The number of layers may be limited by the weight, size, packaging method, and ground bearing capacity of the steel coil.

From standard parameters, white rust prevention, seasonal responses, monitoring records to anomaly handling, the key information is linked together, a