TIANJIN RELIANCE STEEL CO., LTD

Jinghai District Tianjin City, China
1

SPIRAL WELDED STEEL PIPE

Short Description:

Our spiral welded steel pipes are manufactured using SSAW (Spiral Submerged Arc Welding) technology, offering high strength, corrosion resistance, and durability.

These pipes are widely used in water transmission, oil and gas pipelines, structural foundations, marine piling, bridge construction, and drainage systems.

Designed for high-pressure applications, they provide excellent stability and long service life, even in extreme environments.

Available in custom sizes, coatings, and wall thicknesses, our pipes meet API 5L, ASTM, and ISO standards, ensuring top-tier performance and easy installation.

Perfect for infrastructure, industrial, and offshore projects.


Product Detail

Product Tags

Overview
Quick Details
Standard:

ASTM, bs, GB, ASTM A53-2007, ASTM A312-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711

Grade:

A53-A369, Q195-Q345, A53(A,B), Q235, Q345, Q195, Q215

Thickness:

4 – 16 mm

Section Shape:

Round

Outer Diameter:

219 – 2020 mm

Place of Origin:

Tianjin, China

Application:

OIL PIPE

Technique:

SAW

Surface Treatment:

bare galvanized 3pe or painted

Special Pipe:

Thick Wall Pipe

Alloy Or Not:

Non-Alloy

Certification:

ISO BV CE SGS ISO etc.

Product:

erw carbon steel pipe for agriculture irrigation

length:

5.8-12m or as your required

ending type:

cutting plain beveled

technicque:

SAW

business type:

manufacturer and trading company

trade terms:

CIF CFR FOB etc.

port of shipment:

Xingang port,Tianjin China

shipping:

in container or bulk etc.

other application:

fluid transport, structure steel, agriculture equipment, etc

key words:

erw carbon steel pipe for agriculture irrigation

140mm seamless helical seam welded steel pipe

140mm seamless helical seam welded steel pipe

Product Description

140mm seamless helical seam welded steel pipe

 

 

Product name

High quality assured sprial welded steel fluid transport price list available pipe for sale

 

Size

 

Thickness: Length 6-30m

 

Standard

ASTM A500, BS1387,GB3091,ASTMA53, B36.10, BS EN1029, GB/T9711 etc

Material

API 5L, ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc.

Fabrication

Plain ends, cutting, etc

 

Surface Treatment

1. PVC,black and color painting

2. Transparent oil,anti-rust oil

3. According to clients requirement

Package

Bundle;Bulk;Plastic bags ,etc

 

 

 

Others

We can do special orders as customer’s requirement.

We also can provide all kinds of steel hollow pipes.

All the production process are made under the ISO9001:2008 strictly

  Elements  

  Material   Chemical Composition%Mechanical Property C%Mn%S%P%Si%Yield Point (Mpa)Tensile Strength(Mpa)Elongation  
(%) Q1950.06-0.120.25-0.50<0.050<0.045<0.30>195315-43032-33Q2150.09-0.150.25-0.55<0.05<0.045<0.30>215335-45026-31Q2350.12-0.200.30-0.70<0.045<0.045<0.30>235375-50024-26Q345<0.201.0-1.6<0.040<0.040<0.55>345470-63021-22

 

 

140mm seamless helical seam welded steel pipe

Related products

140mm seamless helical seam welded steel pipe

Production process

140mm seamless helical seam welded steel pipe

Company Information

Tianjin Reliance Company , is specialized in manufacturing steel pipes. and many special service can be done for you. such as ends treatment, surface finished, with fittings, loading all kinds of sizes’ goods in container together, and so on.galvanized steel pipe

 

Our office is located in Nankai distric, Tianjin city, near Beijing, the capital of China, and with excellent location.It just takes 2 hours from beijing international airport to our company by high speed rail.and the goods can be delivered from our factory to Tianjin port for 2 hours. you can take 40 minutes from our office to Tianjin beihai international airport by subway.

 

Export record:

India,Pakistan,Tajikistan,Thailand,Myanmar,Australia,Canada,United States,United Kingdom,Kuwait,Mauritius,Morocco,Paraguay,Ghana,Fiji,Oman,Czech Republic,Kuwait,Korea and so on. galvanized stel pipe

Packaging & Shipping

 

 

Our Services:

 

1. We will provide you with detailed technical data and drawing.

2. Strict quality control and careful supervision to ensure the best crane for you.

3. Strict process control to make sure the crane will be delivered on time.

4. We will help handling shipment documents.

5. Our senior engineers can provide installation guidance, commissioning and training services.

6. Delivery with English user manual, parts manual, product certification and revelant certificates.

7. 12 months warranty after installation and commissioning in additional to human damage factor.

8. Technical advisory for any time and engineers available to service machinery overseas.

 galvanized steel pipe

FAQ

 galvanized steel pipe

Q: Are you factory or trading company?

A:Yes, we are factory in Tianjin of china for many years. We can give you the factory price directly.

 

Q:Could you provide the samples?

A:Sure, but it is just for normal sizes, and the freight will be paid by you.

 

Q:What is your MQO?

A:1tons, it is better for bundles.

 

Q:Do you have stockist goods?galvanized steel pipe

A:Yes, but you must send me the sizes you need , let me check it for you.

Contact us

140mm seamless helical seam welded steel pipe


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