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EN10327 DX51D+Z Galvanized Square Pipe – Durable Zinc-Coated Steel Tubing for Structural & Construction Use

  • DX51D+Z galvanized steel pipe

  • SHUNBEI

  • 1-12m or as required

  • ASTM ASME SUS JIS DIN

  • 10MM~400MM

  • Square/ Rectangular/Round

  • Hot Rolled & Cold Rolled

  • DX51D+Z

  • 30% TT in advance, 70% TT /70% LC at sight balance before shipment

  • support

  • FOB, EXW, CIF, CFR

  • Alloy steel

  • 10 TON

  • Industrial

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High-strength galvanized square pipe made from EN10327 DX51D+Z steel. Features excellent corrosion resistance, weldability, and surface finish. Ideal for structural framing, fencing, and general fabrication.

PRODUCT DESCRIPTION

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 PRODUCT INTRODUCTION

DX51D+Z galvanized square pipe is manufactured from cold-formed steel strip conforming to the EN 10327 standard, with a zinc coating applied via hot-dip galvanization. The DX51D grade ensures good forming properties, while the zinc layer (+Z) provides long-term protection against rust and atmospheric corrosion.

This product is widely used in both indoor and outdoor environments due to its durability and aesthetic surface finish. It is available in various wall thicknesses and lengths, with customizable coating weights according to client requirements.

Standard EN 10327 / EN 10346
Material Grade DX51D+Z
Zinc Coating Z40 – Z275 (g/m²)
Tensile Strength ≥270 MPa
Yield Strength ≥140 MPa
Surface Finish Spangled or Minimized Spangle
Weldability Excellent
Available Shapes Square / Rectangular (also available: Round)


galvanized rectangular pipe

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 APPLICATION 

DX51D+Z galvanized square steel pipes are widely used in civil construction, light steel structures, and fabrication sectors due to their excellent corrosion resistance, processability, and clean appearance. Typical uses include:

  • Structural framing – greenhouses, warehouses, scaffold frames

  • Fencing and gates – boundary fencing, security structures

  • Furniture frames – modular shelving, metal furniture

  • Automotive body parts – support beams, crossbars

  • HVAC and mechanical supports

  • Electrical cable tray systems

In coastal or humid areas, the zinc coating ensures extended product life and minimal maintenance.


PRODUCT SPECIFICATIONS​

Grade
DX51D
Standard
EN 10327
Coating Type
Hot-dip galvanized (Zinc coated)
Zinc Coating
60–275 g/m² (customizable)
OD
10 mm – 219 mm
Wall Thickness
0.5 mm – 6.0 mm
Length
1 m – 12 m (or as requested)
Surface
Oiled
dry
chromated
non-chromated
Shape
Round / Square / Rectangular / Customized

MECHANICAL PROPERTIES

  • Yield Strength (Re): ≥ 140–300 MPa

  • Tensile Strength (Rm): 270–500 MPa

  • Elongation (A80): ≥ 22%

  • Formability: Excellent for bending, rolling, and stamping

  • Weldability: Suitable for resistance welding and arc welding


CHEMICAL COMPOSITION

Element Max Content
C 0.12
Mn 0.60
P 0.10
S 0.045
Ti 0.30

galvanized iron square pipe

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Foshan Shunbei Ronghang Metal Manufacturing Co., Ltd. established in 2008, specializes in the production of carbon steel, including alloy steel plate, galvanized steel plate, color coated steel coil, cold rolled steel plate.

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