生成纯白背景图 (66)

Seamless & Welded Steel Pipe Supplier for Industrial Pipeline Systems

Introduction

Steel pipes are the backbone of industrial pipelines, providing strength, durability, and pressure resistance for oil & gas, petrochemical, LNG, power plant, and water pipelines. Selecting high-quality steel pipes ensures safety, efficiency, and long-term reliability of your pipeline projects.

Shaanxi Gold-Stone supplies seamless steel pipes, welded steel pipes, and API 5L line pipes. All products comply with ASME, ASTM, API, and ISO standards.


Types of Steel Pipes

Seamless Steel Pipe

Seamless steel pipes are manufactured without welding seams, offering higher strength and pressure resistance.
Applications: Oil & gas pipelines, high-pressure pipelines, offshore pipelines.

ERW Steel Pipe

Electric resistance welded (ERW) pipes are suitable for medium and low-pressure systems.
Applications: Water pipelines, industrial piping, construction pipelines.

LSAW Steel Pipe

Longitudinal submerged arc welded (LSAW) pipes are used for large-diameter pipelines.
Applications: Oil and gas transmission, LNG pipelines, water supply pipelines.

SSAW Steel Pipe

Spiral submerged arc welded (SSAW) pipes are ideal for high-diameter pipelines.
Applications: Oil & gas, municipal water pipelines, industrial piping.

API 5L Line Pipe

API 5L pipes are widely used in oil and gas transmission pipelines.
Grades: B, X42, X52, X56, X60, X65.
Applications: Onshore and offshore oil & gas pipelines.


Steel Pipe Standards

API 5L

ASTM A106 / A53

ASTM A333

ASME B36.10 / B36.19

ISO 3183


Material Types

Carbon Steel

Stainless Steel

Alloy Steel


Size Range

Outer diameter: 1/2″ – 72″

Wall thickness: SCH10 – SCH160


Applications

Oil & gas pipelines

Petrochemical plants

LNG pipeline systems

Power plant piping

Water transmission pipelines

Industrial piping systems


Why Choose Our Steel Pipes

Seamless and welded pipes available

API 5L certified line pipes

Large diameter and custom sizes

Strict quality control and inspection

Third-party testing support

Fast delivery and global export


Related Products

Pipeline flanges

https://wwForged Flanges – Shaanxi Gold-stone

w.gs-pipeline.com/category/products/forged-flanges

Pipe fittings

Butt Weld Fittings – Shaanxi Gold-stonehttps://www.gs-pipeline.com/category/products/butt-weld-fittings/

Industrial valves

Fasteners

Gaskets


Contact Us

Looking for reliable steel pipe supplier?
Contact Shaanxi Gold-Stone for quotation and technical support.

Website: www.gs-pipeline.com
Email: sales@gs-pipeline.com