S550GD Galvanized Steel Pipe/Tube

Product Description:

Galvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes. Welded steel pipe with hot-dip or electro galvanized coating on the surface of galvanized steel pipe. Galvanizing can increase the corrosion resistance of steel pipes and prolong their service life.

Product Details

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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

PackingExport standard packing or according to customers’ requirement

Product Material

Chemical Composition: 

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

Mechanical Properties: 

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~

Packing & Delivery

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Certificate

Answering doubts

Q:How can I get a quotation from you ?

A:You can leave us message, and we will reply every message in time . Or we may talk on line by Trademanager. 

 

Q:How can I get a sample?

A: Always a pre-production sample before mass production;

    Always final Inspection before shipment;

 

Q:What payment options do you offer?

A:Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;

   Accepted Payment Currency:USD,CNY;

   Accepted Payment Type: T/T,L/C,Credit Card,Western Union,Cash;

 

Q:What are the details of your after sales service?

A:1) We provide the necessary technical support to all of our customers, such as material performance and heat treatment data advice.

2) We provide the appropriate steel material technical parameters for customers in Germany, The USA, Japan, Britain, and other countries.

 

Online consulting

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