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Quick Details

  • Standard: ASTM, BS, GB, ASTM A53-2007, BS 1387, GB/T 12771-2000, GB/T 13793-1992, GB/T 14976-2002, GB/T 9711.2-1999
  • Grade: Q195-Q345, Q195, Q215, Q235, Q345
  • Thickness: 0.5 - 30 mm
  • Section Shape: Square
  • Outer Diameter: 10*10-400*400
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Structure Pipe
  • Technique: ERW
  • Certification: ISO9001-2008 BV SGS
  • Surface Treatment: Galvanized
  • Special Pipe: Thick Wall Pipe
  • Alloy Or Not: Non-alloy
  • color: silver
  • zinc coating: 40g-550g/㎡
  • can visit factory: yes
  • sample: can offer
  • inspection: SGS,BV
  • have after-sales service: yes
  • screw thread: BS or ASTM thread
  • galvanized pipe MTC is aviable: material test certificate
  • Quality: high quality
  • type: galvanized square tube

Packaging & Delivery

Packaging Details 1.Big Sizes: in bulk
2.Small Sizes: packed by steel strips
3.Woven cloth with 7 slats
4.Plastic Bags
5.As per customer's option
Delivery Time within 7-10days

galvanized square tube

Product Description

galvanized square tube

Product Name

galvanized square tube


OD: 25*25-50*100mm

thickness : 0.7-2.3mm

Length: Usually 5~12 Meters


GB 5310-1995




Structure Pipe  


With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test,Dimensional and Visual Inspection, Also With Nondestructive Inspection




packed in bundle , wrapped with steel strips

Date of Delivery

According to The Specifications And the Quantities,

Time Begin When We confirm the Date of the Earnest or L/C

Method of Payment

T/T    L/C

Method Of Delivery

Terms According To the <INCOTERMS 2000> for International Trading,


1.       special design according to your requirements.

2.       anti- corrosion and high temperature resistant with blank painting.

3.       all the production process are made under the ISO 9001:2000 strictly.



galvanized square tube

The pipe can widely used in mechanical manufacture, construction field, metallurgy industry, farm vehicles, agriculture greenhouse, automotive industry, railway, highway guardrail, container frame, furniture, decoration, steel structure etc. 

Pre galvanized square tube

1)square tube 


2) rectangle tube


hot dipped galvanized square tube



Packaging & Shipping


galvanized square tube packing and shipping



Company Information


Our Services

Our principle is "Looking for long terms cooperation ".We provide qualified products and good services to our domestic and international customers 

1. Free sample can be provided

2. Small order is acceptable

3. OEM is acceptable

4. Any third party testing is acceptable

5. 12Months quality guarantee


1 About the Payment terms: T/T or L/C at sight.
2 About the quality:

a. No damage, no bent
b. no burrs or sharp edges and no scraps
c. Free for oiled&marking
d. All goods can be checked by third party inspection before shipment



Waiting for you to contact with me~


Welcome come to Tianjin jinnuo steel pipe co.,ltd.we are specialized in producing hot dip and pre galvanized steel pipe, Pls contact with Jessie Wang to get latest price!




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Transaction Details

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China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
59 Transactions 2,700,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $552,000
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