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GB/En/ASTM Steel Hollow Section

Customization:	Available
Type:	Welded
Technique:	Cold Rolled/Cold Formed/Hot Finished/Cold Drawn

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Product Description

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Basic Information

Model NO.

ASTM, GB, EN, API

Material

ASTM, BS, En, JIS, GB, API, DIN

Surface Treatment

Bared, Oiled, Color Paint, 3LPE, or Other

Usage

Pipeline Transport, Special Purpose, Oil/Gas Drilling, Machinery Industry, Construction & Decoration

Section Shape

Round, Square, Rectangular

Item

Steel Hollow Section

Length

5.8~12m or Upon Customer' Requirements

Secondary or Not

Non-Secondary

Transport Package

Bared, Oiled, Color Paint, 3LPE, or Other

Specification

CE, ISO, SGS AND SO ON

Production Capacity

250, 000 Ton/Year

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Product Description

Commodity	GB/EN/ASTM steel hollow section
Outer diameter	ERW / HFW	LSAW / DSAW	SSAW / HSAW	RHS	SHS
Outer diameter	1/8 - 20 inch (10.3 - 508 mm)	12 - 56 inch (323.8 - 1,420 mm)	8 - 126 inch (219.1 - 3,200 mm)	40 x 20 mm - 1,000 x 800 mm	15 x 15 mm - 1,000 × 1,000 mm
Wall thickness	0.4 - 16 mm	6.0 - 40 mm	6.0 - 26 mm	1.0 - 30 mm	0.6 - 30 mm
Length	5.8 ~ 12.0 m or upon customers' requirements
Standard	GB/T 3091, GB/T 13793, ASTM A252, ASTM A53, ASTM A500, EN 10210, EN 10219, API 5L, DIN 1626/1615, DIN 17120, etc.
Grade	SS400, Q235, Q345, Q460, A572 Gr.50, Gr.1/Gr.2/Gr.3, S235, S275, S355, Grade A/B, X42, X52, X60, X70, etc.
Surface	Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment)
Inspection	With Chemical Composition and Mechanical Properties Analysis; Dimensional and Visual Inspection, also with Nondestructive Inspection.
Packing	Standard export, in bulk / bundles / nylon fabric bags with seaworthy packing; or according to customers' requestments.
Delivery Time	20-45 days after received deposit or confirmed L/C, depends on your order quantity.
Payment Terms	T/T: 30% advance, 70% balance; L/C at sight.

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Company Profile & Quality Control

Our company is a professional manufacturer and designer of welded steel pipe, with more than 20 years of experience in the industry. We have become a well-known brand by offering excellent products with top quality, backed by a strong business reputation.

We own complete detection devices for chemical composition analysis and mechanical properties testing, maintaining our own specialized laboratory to ensure every product meets rigorous standards.

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Product Application

Our pipes are widely used in various sectors, including:

Structural engineering and electric power transmission tower projects.
Water, oil, and gas pipeline engineering.
Mechanical industry and municipal projects.
Piling, roads, and auxiliary infrastructure facilities.

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Why Choose Us

More than 20 years of manufacturing experience.
Strong R&D capabilities and OEM/ODM service availability.
Expert assistance in material and steel grade selection.
Strict adherence to specifications and Classification Society requirements.
Efficient logistics management for large shipments.
Comprehensive investigation and support for technical issues.

We assure you that our steel pipes are made from top-quality materials with expert workmanship.

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Frequently Asked Questions

Q1: What standards do your steel hollow sections follow? A: Our products comply with various international standards including GB/T 3091, ASTM A53, ASTM A500, EN 10210, EN 10219, and API 5L.

Q2: What types of surface treatments can you provide? A: We offer several options including bared, oiled, color paint, 3LPE, and other specific anti-corrosive treatments.

Q3: Can the length of the pipes be customized? A: Yes, while the standard length is 5.8m to 12.0m, we can customize the length according to your specific project requirements.

Q4: How do you ensure the quality of your steel pipes? A: We perform full chemical composition analysis, mechanical properties testing, and nondestructive inspections in our own laboratory.

Q5: What is the typical lead time for an order? A: Delivery usually takes 20-45 days after receiving the deposit or confirmed L/C, depending on the order quantity and specifications.

Q6: What are the main applications for these pipes? A: They are primarily used for pipeline transport (oil, gas, water), structural projects, power transmission towers, piling, and mechanical engineering.