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Quick Details

  • Standard: ASTM, BS, ASTM A106-2006, ASTM A53-2007, BS 1387
  • Grade: A53-A369, Q195-Q345, ST35-ST52, A106(B,C), A53(A,B), Q195, Q235, St37
  • Thickness: 0.5 - 10 mm
  • Section Shape: Square
  • Outer Diameter: 12*12*250*250
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Structure Pipe
  • Technique: ERW
  • Certification: ISO9001
  • Surface Treatment: black
  • Special Pipe: EMT Pipe
  • Alloy Or Not: Non-alloy
  • keyword: threaded steel pipe for greenhouse

Packaging & Delivery

Packaging Details standard packing in bundles
Delivery Time 7-15days after received the downpayment


Product Description


Product: MS Carbon Black Steel Square Tube/Galvanized /Pre Galvanized Square Tube

Size: Round 20-273mm

         Square 10*10-250*250mm



Length:5.8m or 6m or as per customer request

HS code:7306309000

Zinc coating:60-120g/m2

Advantage: the same quality as hot dip galvanized pipe, but much cheaper than hot dip galvanized pipe

Reference price: 48*1.2mm   500$/TON FOB TIANJIN

Application: Greenhouse, feence, curtain,construction ect

Plz do feel free to let us know your request details, we will send the competitive price for your reference asap.




Packaging & Shipping

1. Packing: in bundles/in bulk/in plastic packing.

  2.Trade terms:FOB/CFR/CIF/DDU

  3.Shipping port: Xingang Tianjin



   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)




  5.Delivery time: Normal size: 7days send from warehouse directly.

                           Speial size: 25-30days custom made for you.




Our Services


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



Company Information

      Our company, as a subsidiary of Tianjin Jinnuo Steel Pipe Co., Ltd., is a comprehensive enterprise, which integrates intensive processing, domestic and international trade, logistics and warehousing of steel pipes, carbon steel pipes, galvanized steel pipes, welded steel pipes and seamless steel pipes. 

Our products are widely recognized and trusted by users and gained positive feedbacks and praises. 

We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! 




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



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China (Mainland) | Trading Company
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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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