High-Quality Rectangular & Square Section Tubes Manufacturer, Companies

Our workshops are located in the North China Economic Development Zone, With the support of high-speed, convenient transportation. Our firm was established in 2002, with a total investment of 120 million yuan. It has 15 senior engineers and more than 500 employees. Outer diameter of 40-108X wall thickness 12-30, outer diameter of 108-219X wall thickness 20-40, outer diameter of 210-426X wall thickness 20-50, and various specifications, various materials seamless pipe. There are now more than 15,000 tons of seamless steel pipe, and 8000 tons of ERW pipes as the raw material stock.

Kinds of material for reference :12CrIMoVG、15CrMoG、 10CrMo910、Cr5Mo、A335P91、T91、A335P5.A335P11、 12Cr2MoWVTiB(102)、 CrMo、15McuMoNb5(NB36)40CrMnMo、 36Mn2V、Cr9Mo、38CrMoA1、3035CrMnSiA、1Cr5Mo、20CrNiMo、 25Cr2MoV、35Mn2VNb、37Mn5、 25MnCr、40MnV、T11、T12、T22、T24、 30CrMo、35CrMo、 15NiCuMoNiB5(WB36)、42CrMo、30CrMo、42CrMo、38CrM

Product Description

🔹 Product Introduction

Our workshops are supported by high-speed, convenient transportation. Established in 2002 with a total investment of 120 million yuan, we maintain a dedicated team of 15 senior engineers and more than 500 employees.

🏗️ Seamless Stock > 15,000 Tons
🏭 ERW Pipes Stock 8,000 Tons
👥 Expert Team 500+ Employees

Available Specifications:

  • Outer diameter: 40-108mm | Wall thickness: 12-30mm
  • Outer diameter: 108-219mm | Wall thickness: 20-40mm
  • Outer diameter: 210-426mm | Wall thickness: 20-50mm
Rectangular & Square Section Tubes
Rectangular & Square Section Tubes
Rectangular & Square Section Tubes
🔬 Material Grade Reference

High-Performance Alloy & Boiler Grades:

12CrIMoVG15CrMoG10CrMo910 Cr5MoA335P91T91 A335P5A335P11WB36 42CrMo30CrMo38CrMoA1

Oil Casing, Geothermal & Pipeline:

J55K55N80 L80P110X40-X70 L245L360

Stainless Steel & Carbon Steel:

304304L310S 316316L10# 20#35#45#
⚙️ Manufacturing Standards

Our products comply with international and national manufacturing specifications including:

GB/T8162-2008GB/T8163-2008 GB3087-2008GB5310-1995 GB6479-2000GB9948-88 JISEuropean StandardsAmerican Standards

Customized special specifications and thick wall seamless pipes are available for users. We also offer cold drawn pipe, hot expansion diameter seamless steel pipe, and alloy high-pressure boiler tubes.

Frequently Asked Questions
What types of seamless steel pipes are available?
We offer a wide range of seamless steel pipes, including high-pressure boiler tubes, alloy steel pipes, carbon steel pipes, and specialized pipes for oil casing and pipelines.
Can you provide customized specifications?
Yes, we specialize in providing customized special specifications and thick wall seamless pipes to meet specific user requirements.
What manufacturing standards do your pipes follow?
Our products are manufactured according to GB, JIS, European, and American standards, ensuring international quality compliance.
What is your current stock capacity?
We currently maintain a stock of over 15,000 tons of seamless steel pipes and 8,000 tons of ERW pipes as raw material stock.
Which materials are suitable for high-pressure boilers?
Commonly used materials include 20G, ST45.8-III, A106B, A106C, and various alloy grades like 12CrIMoVG and 15CrMoG.
Do you offer stainless steel options?
Yes, we provide various stainless steel grades including 304, 304L, 310S, 316, and 316L for different industrial applications.

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