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Steel Hollow Section 50mm*50mm

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

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Product Description

Basic Information

Model NO.

ASTM, GB, EN, AP

Material

API 5L, ASTM A53, BS En10219, GB/T 3091, JIS G3457

Surface Treatment

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

Usage

Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Construction

Section Shape

Round, Square, Rectangular

Item

Steel Hollow Section 50mm*50mm

Length

5.8~12m or Upon Customer' Requirements

Secondary or Not

Non-Secondary

Production Capacity

250, 000 Ton/Year

Specification

CE, ISO, SGS AND SO ON

Product Specification

Commodity	steel hollow section 50MM*50MM
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 x 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
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, S235, S275, S355, Grade A/B, X42, X52, X60, X70, etc.
Surface	Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment)
Application	structure, electric power transmission tower projects, piling, water, oil & gas pipeline engineering, mechanical industry, municipal projects, roads, etc.
Payment Terms	T/T (30% advance, 70% against B/L), L/C at sight

Quality Control & Strength

We are a professional manufacturer and designer of welded steel pipe, with more than 20 years of experience in the industry. Our focus on quality and business reputation has made us a leading brand in the field.

Testing Facilities: We own complete detection devices for chemical composition analysis and mechanical properties test, supported by our own dedicated laboratory.

Product Application

Structural engineering and construction projects.
Electric power transmission tower projects.
Water, oil, and gas pipeline engineering.
Mechanical industry and equipment manufacturing.
Municipal projects, piling, and road auxiliary facilities.

Why Choose Our Steel Pipes

Over 20 years of manufacturing expertise.
Strong R&D capabilities for custom requirements.
Comprehensive OEM and ODM services.
Expert assistance in material (Standard, Steel Grade) selection.
Interpretation of specifications to Classification Society standards.
Strict assurance of products meeting global requirements.
Logistics optimization for large shipments.

Frequently Asked Questions

What materials and grades are available for your steel pipes?

We offer a wide range of materials including API 5L, ASTM A53, and GB/T 3091. Available grades include Q235, Q345, S235, S355, Grade A/B, X42, X60, and more to suit various industrial needs.

What are the common applications for these hollow sections?

Our pipes are primarily used in structural engineering, power transmission projects, oil and gas pipelines, piling, and mechanical manufacturing.

Which surface treatments do you provide for anti-corrosion?

We offer several surface treatments including bared, oiled, color painting, 3LPE coating, and other specialized anti-corrosive treatments as per customer requirements.

How do you ensure the quality of the steel pipes?

We operate an in-house laboratory equipped with detection devices for chemical composition analysis, mechanical property testing, and nondestructive inspections to ensure all products meet international standards.

What are your standard payment and delivery terms?

Our standard payment terms are 30% T/T advance with 70% balance against B/L, or L/C at sight. Delivery typically takes 20-45 days depending on the order quantity and specifications.

Can you provide custom sizes and shapes?

Yes, we manufacture round, square, and rectangular sections. We also provide OEM and ODM services to assist with specific dimensions and metallurgical properties.