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  • Z60 DX51D Galvanized Square Pipe/Tube
  • Z60 DX51D Galvanized Square Pipe/Tube
  • Z60 DX51D Galvanized Square Pipe/Tube

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Z60 DX51D Galvanized Square 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.
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Product Introduction
Chemical Composition
Mechanical
Product NameGalvanized Square Steel Pipe
Thickness1.0mm-35mm
StandardASTM DIN GB/T JIS
Surfacepre-galvanized (Zinc coating: 40-80g/m2)
hot dipped galvanized (Zinc coating: 200-600g/m2 )
OD20*20mm-600*600mm
UsageConstruction / Structure/Liquid gas delivery/Scaffold
MOQ1 Ton
SampleAvailable
PaymentT/T ,LC ,West-union, Paypal, Credit card
Payment termEX-work,FOB,CIF,CFR
Processing serviceWelding,Cutting,Punching ETC.


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~

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