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Quick Details

  • Standard: API, ASTM, BS, DIN, GB, JIS
  • Standard2: API 5CT, API 5L, ANSI A213M-2001, ASTM A335-2006, ASTM A335M-2006, ASTM A53-2007, BS EN10217, BS EN10219, DIN 1629/4, DIN 17175, GB/T 3094-2000, GB/T3901, JIS G3446-2004
  • Grade Group: 10#-45#, 16Mn, A53-A369, Q195-Q345, ST35-ST52
  • Grade: 10#, 20#, 45#, 16Mn, A106(B,C), A53(A,B), Q195, Q215, Q235, Q345, St37-2, St52, St52.4
  • Thickness: 0.8 - 5.75 mm
  • Section Shape: Square / Rectangular
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Structure Pipe
  • Technique: Cold Rolled
  • Certification: API / BSI / CE / UL
  • Surface Treatment: Galvanized, Black/Bright/Painted/Galvanized/Hot Dip Galvanized finished
  • Special Pipe: EMT Pipe
  • Alloy Or Not: Non-alloy
  • General requirements: PE;BE;Anti-rust painting,Marking,Plastic caps on both ends
  • Certificate: API ,ISO,PED ,CE ,CCS Certificate,etc
  • Processing Technology: Threading, coupling, necking, punching and so on.
  • Wall Thickness: SCH30,SCH40,STD,XS,SCH80,SCH160,etc
  • Section Shapes: Round/Square/Rectangular
  • Welded Line Type: SMLS/Weld/ERW/EFW/DSAW
  • Zinc coating: Z50-400g/m2
  • Length: 4.5m-12.m or as per your requirements
  • Inspection: With Hydraulic Testing, Eddy Current , Infrared Test

Packaging & Delivery

Packaging Details galvanized rectangular tube 2 1/2x3 inch !! hd tube square hollow section tube / galvanized rectangular tube 2 1/2x3 inch rectangular pipe / steel square tube : Waterproof package, in bundles or in bulk, standard sea-worthy export package.
Delivery Time Within 10-20 days after receiving T/T deposit or L/C normally.
Product Description

     exciting quality ! 12*12 hollow tube 75*38 gi pipe laos

Quick Details:

Outer Diameter20*20-180*180mm; 20*30-150*200mm(hot dip and pregalvanized square steel pipe & rectangular pipe)
Length4.5m-12m or as per your requirements
Toleranceaccording to the specifical sizes 

10#-45#, 16Mn, A53-A369, Q195-Q345,etc


GB/T 3091; GB/T3094;GB/T6728; EN10219; ASTMA500; JISG3446,etc 

Endbeveled or square cut, plastic cap

construction structure, machinery making, container, hall structure, sun seeker, offshore oil field, sea trestle, motorcar cassis, airport structure, shipbuilding, automobile axle pipe and so on.

Inspectionwith hydraulic testing, eddy current and infrared test.
PackingIn bundles, bulk in container or according to customers' requirements length>12m, shipped in bulk; 5.8m<length<11.8m, shipped in 40'containers; length<5.8m ,shipped in 20' or 40'containers
Delivery Time 10-25 days after we received your advanced deposit.

1.special design available according to requirment

2.anti-corrosion and high-temperature resistant with blackpainting.

3.all the production process are made under the ISO9001:2000 strictly.

Remarks1)payment term:T/T or L/C,etc .
2)trade terms:FOB/CFR/CIF
3)minimum quantity of order:25 MT
Contact Information

                 Rylie Lee (Tianjin ZhaoLiDa Steel Pipe Co.,Ltd)                    No.9 Technology Street,DaQiuZhuang Industry District,JingHai County,Tianjin,China

    Mobile:       86-18892252217(WhatsApp))
    TEL:          86-022-59653122-817;  FAX : 86-022-59653100
    Skype:        li.rylie 
    WeChat:     liyuea132311

    Email:         helon_rylie(tjzhaolida.com)

   Website:     1, www.tjzld.cn ;   2, helonsteel.en.alibaba.com


Chemical Composition: 































Company Information

  Tianjin ZhaoLiDa Steel Pipe Co.,Ltd

Tianjin ZhaoLiDa Steel Group
is a leading enterprise in the pipe manufacturing industry in Daqiuzhuang. Our headquarters is located in Daqiuzhuang Industry District, Tianjin. Six branch companies:



         Tianjin ZhaoLiDa steel pipe co.,Ltd.(Group )                        Tianjin XinHao steel pipe co., ltd.(Branch 1)

         Tianjin HaoDa steel pipe co., ltd. (Branch 2)                      Tianjin HuaYuXin steel pipe co., ltd. (Branch 3)

         Tianjin WeHaoDe steel pipe co., ltd. (Branch 4)                  Tianjin Helon international trading co.,ltd  (Branch 5)



We are a private enterprise that manufactures square pipe; galvanized  pipe , pre galvanized and hot dip galvanized, ERW steel pipe, seamless pipe, spiral steel pipe,etc. 

We have 16 large precision lines with a total investment of nearly $80 million. Besides, our company covers an area more than 500mu and the total number of employees is more than 1,000. Zhaolida Steel Pipe Group works on the hot-dip galvanized steel round pipes and square pipes, whose annual output can reach to 450,000 tons and it has received the title of "industry preferred brand". For other products, our production capacity can reach 650,000 tons.

Packaging & Shipping
               exciting quality ! 12*12 hollow tube 75*38 gi pipe laos

1) Minimum order quantity:20 tons 

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

3) Payment: 30% deposit in advance, the balance against the copy of B/L; or 100% L/C, etc

4) Lead Time: within 10-25 workdays normally 

5) Packing: Standard seaworthy  packing or as per your request .(as pictures)

6) Sample: Free sample is avaible.

7) Individual Service: can print your logo or brand name on 75*38 gi pipe laos

20ft GP: 5898mm(Length)x2352mm(Width)x2393mm(High)

40ft GP: 12032mm(Length)x2352mm(Width)x2393mm(High) 

40ft HC: 12032mm(Lengh)x2352mm(Width)x2698mm(High)

20 feet container load 25 tons75*38 gi pipe laoswhose length is under 5.8m

40 feet container load 25 tons  75*38 gi pipe laoswhose length is under 11.8m


1.Q.Are you a factory or not?

A.Yes we are a leading pipe manufacturer whose factory in Tianjin. Welcome to visit our factory.

2.Q.How about the Delivery Time?

A.The products will be produced since we get your deposit by T/T or your original L/C.For normal sizes,some stocks in our factory now,we can supply once you need.

3.Q.What kind of payment does your company support?

A.T/T,100% L/C at sight,Cash,Western Union are all accepted.

4.Q.What's your warranty?

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

My contact way is as below. If any concerns,don't hesitate to contact me:

Rylie:  86+18892252217(WhatsApp)

Skype:  li.rylie

Trademanager: cnzhaolida

Email:  helon_rylie @tjzhaolida.com

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