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Quick Details

  • Standard: ASTM, BS, ANSI B36.10M-2004, ASTM A106-2006, ASTM A53-2007, BS 1387
  • Grade: 16Mn, A53-A369, Q195-Q345, ST35-ST52, 16Mn, A106(B,C), A53(A,B), Q195, Q215, Q235, Q345, St37, St37-2, St42, St42-2
  • Thickness: 0.5 - 20 mm
  • Section Shape: Round/Square/Rectangular/Oval.etc
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: low pressure liquid delivery such as water,gas / oil,construction,etc
  • Technique: ERW
  • Certification: BSI/CE/BV/UL/API,etc
  • Surface Treatment: Galvanized, 3 PE, FBE, corrosion resistant coating
  • Special Pipe: Thick Wall Pipe
  • Alloy Or Not: Non-alloy
  • Pre-galvanized: Z40-80g/m2
  • Hot dip galvanized: Z200-520g/m2
  • Welded Line Type: Longitudinal
  • Ends: Plain /Beveled/Thread with Coupling or cap
  • End protector: Plastic pipe cap/Iron protector
  • Section shape: Round/Square/Rectangular/Oval.etc
  • Technology: Hot Rolled/Cold Rolled/Black Annealed
  • Individual Service: print your logo or brand name on gi pipe free of charge
  • Keyword: pre-galvanized greenhouse steel pipe

Packaging & Delivery

Packaging Details building materials ! pre-galvanized greenhouse steel pipe s235 jr pre-galvanized greenhouse steel pipe with CE certificate
Big OD:in bulk
Small OD:packed by steel strips
Woven cloth with 7 slats
Plastic bags
As per customer's option
Delivery Time Shipped in 15 days after payment


Product Description


  building materials ! pre-galvanized greenhouse steel pipe s235 jr galvanized steel pipe with CE certificate


• OD(Outer Diameter) 1/8-24"(10.3mm-610mm)

WT(Wall Thickness) 0.8-12mm.

SCH10s,SCH40s,STD,XS,SCH80,SCH160,XXS etc.

Zin Coated


Hot dip galvanized:Z200-520g/m2


BS1387,EN10297,BS6323,BSEN10217,GB/T13793-1992,GB/T14291-2006,GB/T3091-1993,GB/T3092-1993,GB3640-88,ASTM A53/A36,EN39/EN10219,API 5L,GB/T9711.1-99 etc

Products Material:

GB/T 700:            Q195-Q420 Series

JIS G3101:           SS400-SS540 Series

EN10025:             S235JR-S355JR Series

DIN EN10025:     ST Series

ASTM/A29M:      A36-A992 Series

ASTM/A29M:      Gr50 Series

Q195 → Grade B, SS330,SPHC, S185

Q215 → Grade C,CS Type B,SS330, SPHC

Q235 → Grade D,SS400,S235JR,S235JO,S235J2

Q345 → SS500,ST52


Electronic Resistance Welded (ERW )

Electronic Fusion Welded (EFW)

Double Submerged Arc Welded (DSAW)

Welded Line Type:Longitudinal




Thread(screw) with coupling or cap

End protector:

Plastic pipe cap

Iron protector

Surface Treatment


Black Painted (varnish coating)

Pre-Galvanized and hot dipped Galvanized

Transparent oil,rust-proof black oil

3 PE, FBE, corrosion resistant coating


Big OD:in bulk

Small OD:packed by steel strips

Woven cloth with 7 slats

Plastic bags

As per customer's option


• Low pressure liquid delivery such as water,gas and oil



With Hydraulic Testing, Eddy Current , Infrared Test

Class A test pressure:4.83MPa-13.10Mpa



Bulk Cargo


Anti-corrosion and high-temperature resistant with black painting

All the production process are made under the ISO9001:2000 strictly

Weight per Piece=(OD-Thickness)*Thickness*Length*0.02466

     building materials ! pre-galvanized greenhouse steel pipe s235 jr galvanized steel pipe with CE certificate  

Company Information


Galvanized Tube/Pipe Standard Size as below:


1) Minimum order quantity:  5 tons  per size

2) Price:  FOB or CIF or CFR at aXin'gang port in Tianjin

3) Payment: 30% deposit in advance, the balanceagainst the copy of B/L; or 100% L/C, etc.
4) Lead Time:  within 10-15 workdays normally .
5) Packing: Standard seaworthy packing or as per your request .
6) Individual Service: can print your logo or brand name on gi pipe /print words on pipes for you

Also we can put the small large diameter pipes into big diameter pipes


Why choose us?

1.  Largest direct manufacturers in Tianjin ,china

2.  Have an competitive price and high quality

3.  Excellent after-sale service

4.  Free issue:packaging list,invoice,Certificate of Origin 

5.  Powerful technology team,Strict quality assurance system and perfect testing means

6. Delivery on time

7. Our roller coaster sales to Middle East,Africa,Russia,Southeast Asia, etc

Packaging & Shipping



Threaded pipes with socket and plastic caps at the end ,fit for seaworthy package

  1) Small diameter: Weight >Measurement

   a. Length: ≤5.8m, loaded in 20FT Container, Max 27tons

   b. Length: ≤11.8m, loaded in 40 FT Container, Max 27tons

   c. Length: ≥12m, shipped by bulk vessel. FILO terms

  2) Big dimater: Weight<Measurement, loaded as per container size

  a. Size of 20 FT Container(inside :5898*2352*2350mm)

  b. Size of 40FT Container(inside: 12024*2352*2395mm)


Our Services



Q: Are you a factory or trading company? 

A: We are a 15 years factory with more than 150 engineers.


Q: Where is your factory located? How can I visit there? 

A: Our factory is located in Tianjin Province, China,.You can fly to Tianjin airport directly.


Q: How does your factory do regarding quality control? 

A: "Quality is priority. We always attach great importance to quality controlling from the very beginning to the very end. 


Q: What's your warranty ?

A:Free samples;mill test certificate;shipping inspection or any third party inspection in your site.  




* You are promised to obtain the best quality, price and service. 

* Welcome to contact us with your detail inquiry, you will be replied within 24 hours


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