Zinc-Aluminum-Magnesium Tube 1Pipes & Tubes1 / 8
GC-ZM001 · Pipes & Tubes

Zinc-Aluminum-Magnesium Tube

锌铝镁方矩管

Zinc-aluminum-magnesium (Zn-Al-Mg) coated square/rectangular hollow section — corrosion resistance up to 3–10× hot-dip galvanized, with self-healing cut edges and maintenance-free, coating-free service. Ideal for solar mounting, steel structures, highway guardrails and greenhouse frames.

Standard
GB/T 34201, EN 10346
Sizes
Square 20×20–200×200mm, rectangular 20×40–100×200mm, wall 0.8–5.0mm
Length
6m / 9m / 12m (custom)
Surface
ZAM ZM120, ZAM ZM180, ZAM ZM275, ZAM ZM310
Available grades
S350GDS420GDDX51D+ZMQ235B
WhatsApp
Specifications
Length
6m / 9m / 12m, customizable (cut to length)
Coating
Zinc-aluminum-magnesium alloy (Zn-Al-Mg)
Process
HF welded & cold-formed, inner & outer deburring
Standard
GB/T 34201, EN 10346
Substrate
S350GD / S420GD / DX51D+ZM
Size range
Square 20×20–200×200mm, rectangular 20×40–100×200mm, wall 0.8–5.0mm
Coating weight
ZM120 / ZM180 / ZM275 / ZM310
Applications
ConstructionInfrastructureManufacturing
Product FAQ

We stock S350GD, S420GD, DX51D+ZM, Q235B and more, matched to your destination standard.

Related products

View all products

Seamless or welded square/rectangular hollow section with uniform wall, square corners and smooth welds — light, strong and versatile for steel structures, curtain-wall columns, machinery, guardrails and decoration.

Hot-RolledCold-Formed7+ grades

High-frequency welded pipe, cost-efficient and full-range — fluid transport, structures and conduit.

Hot-RolledHD Galvanized6+ grades

No weld seam, high pressure capacity — oil, chemical, power, boiler and high-temperature service.

Hot-RolledPickled8+ grades

Large-diameter SAW (submerged-arc welded) spiral pipe for oil & gas transport, municipal water/drainage and structural piling. 3PE / FBE / cement-mortar anti-corrosion coatings available.

Hot-Rolled3PE / FBE Coated6+ grades