ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe

TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
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  • 9 yrs

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Product Highlights

  • Extensive Customization Options: Customizable wall thickness, standards, materials, and surface treatments to meet specific project needs.
  • Wide Range of Specifications: Available in OD 1/2''-26'' and thickness 1mm-25mm, covering ERW, SSAW, LSAW, and Seamless types.
  • Multiple Surface Treatments: Options include pre-galvanized, hot-dip galvanized, black, painted, and threaded finishes for diverse applications.
  • Strict Quality Control: Professional inspection of diameter, thickness, and chemical composition with MTC provided; supports SGS/BV inspection.
  • Fast Delivery Time: Ships within 5-7 days from stock; customized common sizes delivered within 30 days.
  • Competitive Pricing & Service: Direct manufacturer pricing with excellent after-sales service and free documentation like invoices and certificates.
  • High Production Capacity: Annual production exceeds 200,000 tons with 6 galvanized production lines and 200+ employees.
  • Flexible Payment Terms: Accepts T/T (30% deposit, 70% balance) and LC at sight for secure and convenient transactions.

Product Images of ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe

ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe pictures & photos
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe pictures & photos
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe pictures & photos
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe pictures & photos
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
  • ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
  • ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
    ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
  • ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
    ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
  • ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
    ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
  • ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
    ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe

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Product Description

Produt name:
ASTM A53 BS138 Size ERW Round Rigid hot dip Galvanized
Gi Pipe Steel / S235JR structure Galvanized Welded Pipe
Liquid Tube Pre-Galvanized Steel Pipe
Technique:
• Electronic Resistance Welded (ERW )
• Electronic Fusion Welded (EFW)
• Double Submerged Arc Welded (DSAW)
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
Size ERW OD 1/2 Inch -26 inch
SSAW OD 219mm-2540mm
LSAW OD 457.2mm-1422.2mm
Seamless OD 21.3MM-710MM
ERW Thickness 1mm-18mm
SSAW Thickness 5.4mm-25.4mm
LSAW Thickness 7.92mm-50.8mm
Seamless Thickness 3-45mm
Lengths 3-20M
Product Name welded steel pipe 
Out Diameter Pre galvanized/welded steel pipe :1/2''-4''(21.3-114.3mm). 
Such as 38.1mm, 42.3mm, 48.3mm, 48.6mm or as customer request.
Hot dipped galvanized:1/2''-24''(21.3mm-600mm).
Such as 21.3mm, 33.4mm, 42.3mm, 48.3mm, 114.3mm or as customer request.
Thickness Pre galvanized/welded steel pipe :0.6-2.5mm.
Hot dipped galvanized: 0.8- 25mm.
Zinc coating Pre galvanized:5μm-25μm
Hot dipped galvanized:35μm-200μm
Type  Welded (ERW) steel pipe , hot dip galvanized steel pipe , pre galvanzied steel pipe 
Steel Grade Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, GR.B-D
Standard BS1139-1775, EN1039, EN10219, JIS G3444:2004, GB/T3091-2001, BS1387-1985, DIN EN10025, ASTM A53 SCH40/80/STD, BS-EN10255-2004
Surface Finish Pre-galvanized, Hot dipped galvanized, Electro galvanized, Black, Painted, Threaded, Engraved, Socket.
International Standard ISO 9000-2001, CE CERTIFICATE, BV CERTIFICATE
Packing 1.Big OD:in bulk 
2.Small OD:packed by steel strips 
3.woven cloth with 7 slats 
4.according to the requirements of customers
Main Market Middle East,Africa, Asia and some Uropean country and South America, Australia
Country of origin China
Productivity 5000Tons per month.
Remark 1. Payment terms : T/T ,L/C at sight
2. Terms of trade : FOB ,CFR,CIF ,EXW 
3. Minimum order : 2 tons 
4. Delivery time : Within 15 days.
ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
FAQ
1)How manys days can you delivery after confirmed the order?
   From stock ,we can shipping within 5-7 days. 
   For customized of common size, will be delivery in 30 days. 
   and for specially sizes need to negotiate.

2) What's your payment?
   1. 30%TT as deposit, 70% balance against the copy of BL. 
   2. 100% LC at sight /45 days or 60 days LC 

3)What's the product's warranty ?
   As long as you received our cargo within 1 years, if you have any problem, pls feedback to us.
   After confirmed our quality cause, we will resend new pipes or give reasonable compensation for you.

4) Can I have a trail order ?
   Of course, we are gald to make a trail order to show our quality and service. 
   Getting your satification, we can try more cooperation .

5) Can I have a vist ?
    Welcome your visiting ,we can communicate and exchange market information to develop more business. ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
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



ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe

Tianjin Jinxinbao Mental Surface Treatment Co.,LTD. (Headquarters) Founded in 2012
Tianjin Baojing New Energy Technology Co.,LTD. Founded in 2016
Tianjin Shengteng Internatinal Trading Co.,LTD. Founded in 2018
with the location at the largest welded pipe production based in china-Yangjiayuan Town,Tianjin.
Which is the most professional manufactuer of steel products in this area.
We have total 6 galvanized production lines,
and about 200 employees, annual production more than 200000 tons.
We can provide all kinds of customized products and sucessful supply for many PV projects.
especially including galvanized steel pipe ,
square and rectangular steel tube,
seamless steel pipe ,
ERW steel pipe,
galvanized steel coil/sheets ,
scaffolding steel props,
PV mounting system .
We will more fouce on the quality and improve the service to thankful each client in the future.

ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
QUALITY CONTROL 
1)Before Shipping ,Our professional Inspectors Will Check
   The Pipe's Diameter,Thickness,Length, Chemical Composition, Mechanical Properties,Zinc Coating  etc,
   Everything is Ok,
   Then Will Shipping and Supply a MTC With Full Information .
2) Support The Third Party Inspection ,SGS, BV and Others.

ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
Individual Service
We can print your logo or brand name on gi pipe or print words on pipes for you.
Also we can put the small large diameter pipes into big diameter pipes

ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
PACKAGE & DELIVERY 
• Big OD:in bulk
• Small OD:packed by steel strips
• Woven cloth with 7 slats
• Plastic bags
• As per customer's option

ASTM A53 BS138 Size ERW Round Rigid Hot DIP Galvanized Gi Pipe Steel / S235jr Structure Galvanized Welded Pipe Liquid Tube Pre-Galvanized Steel Pipe
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)

About the Supplier

This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR206431". Items marked "verified" are certified.

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TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.

About Our Factory & Business Background

Address
Rm 102, No. 15 Bishuiyuan Building, Jinghai Town, Jinghai District, Tianjin, China
verified Plant Area
230 square meters
verified Registered Capital
20,000,000 RMB
verified Terms of Payment
LC, T/T, D/P, PayPal, Western Union, Small-amount payment
verified International Commercial Terms(Incoterms)
FOB, CIF, CFR
verified Average Lead Time
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
verified Nearest Port
Tianjin Port

Our Production Capability & Technical Expertise

Main Products
Steel Tube/Pipe, Solar Steel Brackets/Accessories, Steel Coil/Sheet, Steel Nail, Pet Iron Cage, Roofing Sheet, Hose Clamps, Angle Bar, Fence Post, Pipe Fitting

Our Industry Experience & Global Business Record

verified Year of Establishment
2018-01-15
Export Year
2018-02-01
verified Main Markets
North America, South America, Southeast Asia/ Mideast, Africa, Australia, Domestic

FAQ

How many days can you deliver after confirmed the order?
From stock, we can ship within 5-7 days. For customized common sizes, delivery will be in 30 days. Specially sized orders need negotiation.
What are your payment terms?
1. 30% TT as deposit, 70% balance against the copy of BL. 2. 100% LC at sight / 45 days or 60 days LC.
What is the product's warranty?
If you receive our cargo within 1 year and have any problems, please feedback to us. After confirming our quality cause, we will resend new pipes or give reasonable compensation.
Can I have a trial order?
Of course, we are glad to make a trial order to show our quality and service. Getting your satisfaction, we can try more cooperation.
Can I have a visit?
Welcome your visiting, we can communicate and exchange market information to develop more business.
What standards do your steel pipes meet?
We meet standards such as BS1139-1775, EN1039, EN10219, JIS G3444:2004, GB/T3091-2001, BS1387-1985, DIN EN10025, ASTM A53 SCH40/80/STD, and BS-EN10255-2004.
What is the minimum order quantity?
The minimum order is 2 tons.
Do you support third-party inspections?
Yes, we support third-party inspections such as SGS, BV, and others to ensure quality.

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