Galvanized Pipe/Tube

Product name:

SGH440 Galvanized Rectangular Pipe/Tube
Galvanized square pipe is a kind of hollow square section steel pipe with hot rolled or cold-rolled galvanized strip or galvanized coil as billet after cold bending processing and forming and then made by high-frequency welding, or the cold-formed hollow steel pipe prepared in advance and then processed by hot dip galvanizing.
INFORMATION PRODUCTS

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  • SGH440 Galvanized Rectangular Pipe/Tube
  • SGH440 Galvanized Rectangular Pipe/Tube
  • SGH440 Galvanized Rectangular Pipe/Tube

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Product Details
Chemical Composition
Mechanical Behavior
NameGalvanized steel pipe
Product CategoriesHot galvanized steel pipe , electro galvanized steel pipe
Outer Diameter20*20mm~400*400mm
Wall Thickness1.7~16mm
Standards

GBT/T8162-2008,GB/T8163-2008,GB3087-2008,GB5310-2008,GB6479-2000

,GB9948-2006,GB5312-1999,GB/T18984-2003,JISG3457,DIN17175-79,ASTM

Zn coating thickness30-650 g/m2
Product Application

1.Fence, greenhouse, door pipe,greenhouse

2. Low pressure liquid, water, gas, oil, line pipe

3. For both indoor and outdoor the building construction

4. Widely used in scaffolding construction which is much cheaper and convenient

PackagingExport standard packing or according to customers’ requirement
bse metal typeGradeCHEMICAL COMPOSITION %
CSiMnP
cold rolled steel sheetDC51D+Z (St01Z, St02Z, St03Z) , DC51D+ZF≤0.10-≤0.50≤0.035
DC52D+Z (St04Z), DC52D+ZF≤0.08-≤0.45≤0.030
DC53D+Z (St05Z), DC53D+ZF≤0.08-≤0.40≤0.030
DC54D+Z (St06Z), DC54D+ZF≤0.01≤0.10≤0.30≤0.025
DC56D+Z (St07Z), DC56D+ZF≤0.01≤0.10≤0.30≤0.025
hot rolled steel sheetDD51D+Z (St01ZR, St02ZR)≤0.10-≤0.50≤0.035
DD54D+Z (St06ZR)≤0.01≤0.10≤0.30≤0.025
UsageGradeYield Strength (MPA)Tensile Strength (MPA)Elongation rate %
Punching galvanized steelDX51D+Z~270-500>=20
DX52D+Z140-300270-420>=22
DX53D+Z140-260270-380>=26
DX54D+Z140-220270-350>=30
Structure galvanized steelS220GD+Z>=220>=300>=18
S250GD+Z>=250>=330>=17
S280GD+Z>=280>=360>=16
S320GD+Z>=320>=390>=15
S350GD+Z>=350>=420>=14
S400GD+Z>=400>=470~
S500GD+Z>=500>=530~
S550GD+Z>=550>=560~
Processing
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