High-Precision Hot-Rolled Coiled Wire Rod for Construction
description1
description2
Model number：
SAE1006, SAE1008 Q195, Q235
Diameter:
Φ6mm Φ6.5mm Φ8mm Φ10mm Φ12mm
Standards：
GB/T 701-2008/GB/T 5223-202X/GB/T 1499.1-2017
Application fields：
1.Construction Engineering：Scaffolding, Steel Structure Fixing, Lightning Protection Grounding
2.Agriculture & Facilities：Greenhouse Framing, Irrigation Supports
3.Industrial Manufacturing：Equipment Base Reinforcement, Fastener Manufacturing
4.Specialized Applications：Shipbuilding Components, Oil Tank Bracing, Solar Mounting Systems
5.Transportation Infrastructure：Highway Guardrails, Traffic Sign Poles
Process Flow:
Steel coil → Acid cleaning → Annealing → Galvanizing (hot-dip/electro) → Cooling → Surface treatment (oiling/Passivating/AFP) → Packaging.
Key Advantages：
• Corrosion Resistance: Zinc coating withstands salt spray >600 hours .
• Cost-Effectiveness: Lower maintenance costs vs. stainless steel .
• Eco-Friendly: Recyclable; newer titanium-zirconium electroplating reduces chromium pollution.
• Customization: Available in custom widths, thicknesses, and surface treatments.
Packaging:
Waterproof paper wrapping + steel straps + protective edge rings .
FAQ
-
Q: What is galvanized steel coiled bar?
A: Low-carbon steel wire rods (e.g., Q195, Q235) coated with zinc via hot-dip or electro-galvanizing. It combines corrosion resistance and mechanical strength, widely used in construction and industry.
-
Q: Hot-dip vs. Electro-galvanizing?
A: Hot-dip: Dipped in molten zinc (450°C), thick coating (45–180g/m²), high corrosion resistance (>600h salt spray test), ideal for outdoor use. - Electro: Thin layer (10–20μm), smooth surface, lower cost, suitable for indoor fasteners.
-
Q: Common materials & selection?
A: Q195/Q235: Low carbon, cost-effective (~$500–700/ton), for grounding wires/greenhouse frames. HRB400: High strength (≥550MPa), for bridge cables/oil tanks. SUS430: Stainless steel (Cr 17–19%, >600h salt spray) for marine use.
-
Q: Key applications?
A:Construction: Lightning grounding (Φ6.5–12mm), scaffold supports. Industry: Cold-heading bolts (Φ5–20mm), machinery bases. Specialized: Solar mounts (custom Φ5.8–15.8mm), ship components.
-
Q: How to ensure quality?
Surface: No cracks/folds, uniform zinc coating (eddy current test). Mechanical: Tensile strength 350–550MPa, elongation ≥10% (≥15% for cold-heading). Corrosion: Salt spray test >600h for premium grades.
packaging
