Knowledge

Can it be used as raw material for cold heading? A: Yes, the spheroidized annealed state has excellent plasticity and uniform structure, suitable for

Main application industries? A: Automotive (body, chassis parts), home appliances (casing, structural parts), electronics (springs, terminals), precis

How is the weldability? A: Excellent, low carbon content with no hardening tendency; good weldability, no preheating required, compatible with E6013,

What are the causes of peeling defects? A: Inclusions in the cast billet, subcutaneous bubbles, and incomplete descaling during hot rolling; strictly

What are the functions and elongation rates of surface finishing (smoothing)? A: Improves sheet shape, eliminates yield plateaus, and enhances surface

1010 What is the raw material for cold rolling? A: Hot-rolled coil (usually SPHC/DC01), thickness 2.0-4.0mm, surface free of severe oxide scale and in

What is 1010 steel made of? A: American standard SAE/AISI 1010 is low-carbon steel, with a carbon content of 0.08-0.13% and a manganese content of 0.3

What should we procure now for the old Q345? Prioritize Q355 (mandatory upgrade according to national standards), with equivalent or superior performa

Common Defects and Causes? Surface Cracks: Improper continuous casting/rolling process, enrichment of residual elements (Cu) Welding Cracks: Insuffici

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