High-Quality Square Hollow Steel Tube Supplier in China

• Customization: Available
• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Machinery Industry, Construction & Decoration
• Section Shape: Square/Rectangular
• Commodity: Square/Rectangular Hollow Section Tubes
• Square Tube: 20X20mm-500X500mm
• Rectangular Tube: 10X20mm-400X600mm
• Wall Thickness: 1.0-30.0mm
• Length: 6.0m, 5.8m, 1-12.0m
• Steel Grade: S235jr/S355;ASTM A500;Stk400/Stk500
• Zinc Coating: 40GSM-600GSM
• Business Type: Manufacturer & Exporter
• Transport Package: in Bundle by Steel Strip
• Trademark: Youfa
• Origin: China
• HS Code: 7306610000
• Production Capacity: 10000000 Metric Ton

Product Description

China Leading Manufacturer - Tianjin YOUFA Steel Pipe Group

Supplier of black and galvanized square hollow steel tubes. High-quality welded steel pipes for various applications. Available in different sizes and finishes. Contact us for competitive prices.

 

Commodity	Galvanized Steel Square / Rectangular tube
Size	20x20--500x500mm	20x40--400x600mm
Wall thickness	0.5-20mm
Length	5.8m/6m  or based on your request
Standard	EN10025.EN10219,ASTM A500 and so on (the Chinese material can be Q195,Q235Q345)
Surface	Black, or Galvanized and Oiled to prevent the rust
End finish	Plain end
Usage	Steel construction, mechanical, manufacturing, construction, automobile manufacturing, shipbuilding, electricity and more
Packing	1.Big OD:in bulk 2.Small OD:packed by steel strips 3.woven cloth with 7 slats 4.according to the requirements of customers
Shipment	by bulk or load into 20ft / 40ft containers
Delivery time	Within 20days or as your request
Payment Terms	T/T or L/C at sight Terms of trade :FOB ,CFR,CIF ,DDP,EXW

 


Square and Rectangular Steel Hollow Section Tube

Square and Rectangular Steel Hollow Section Tube

Product Specifications:

• Square tube: 20x20--400x400mm


• Rectangular tube: 20x40--300x500mm


• Thickness: 0.5mm - 20.0mm

Usage:

This steel hollow section tube is suitable for various applications including:

• Steel structures


• Mechanical engineering


• Manufacturing


• Construction


• Automobile manufacturing


• Shipbuilding


• Electricity

Available Finishes:

• Black steel hollow sections


• Black annealed steel hollow section


• Pre Galvanized steel hollow section


• Hot dip galvanized steel hollow section


• Painted or Power Coated finish steel hollow section


• Oiled finish hollow sections

Special Processes:

We offer the following special processes for Steel Hollow sections:

1. Punching holes


2. Cutting different lengths


3. Bending


4. Waterproof cloth packing


5. High zinc coating, from Zinc 10micron up to 80 micron


6. Heat Treatment for special usage steel

For more information, please contact Tianjin Youfa International Trade Co., Ltd.

Products & Production lines show:

Specification & Wall Thickness for Square/Rectangular Tube Production Range List:

Find the best supplier for square hollow steel tubes in China. We offer a wide range of sizes and wall thicknesses for your construction needs. Our welded steel tubes are made from high-quality carbon steel, ensuring durability and strength. Contact us for competitive prices and reliable service.

 

Square tube (mm)	Rectangular tube (mm)	Wall Thickness (mm)		Square tube  (mm)	Rectangular tube (mm)	Wall Thickness (mm)
19*19		1.0		40*135 50*140 60*130 75*125 40*150	50*150 60*140 80*120 100*100	1.5
		1.2				1.7
		1.3				2.0
		1.4				2.2
		1.5				2.5~5.0
		1.7				5.25~6.0
		2.0				6.5~9.75
20*20 25*25	20*30	1.0				11.5~16
		1.2		50*160 60*150 60*180 65*180 70*150 90*150 90*160 100*120 100*125 100*140	60*160 80*140 80*160 100*150 120*120 110*110 120*180 125*125	2.5
		1.3				2.75
		1.4				3.0~4.0
		1.5				4.25~4.75
		1.7				5.25~6.0
		1.8				6.5~7.75
		2.0				9.5~9.75
		2.2				10.5~11.75
		2.5~3.0				12.5~15.75
32*32 35*35 20*50	20*40 25*40 30*30 30*40	1.0				16~~30
		1.2		60*170 70*160 80*150 80*180 127*127	75*150 100*200 140*140 150*150 130*130	2.5
		1.3				2.75
		1.4				3.0~5.75
		1.5				7.5~9.75
		1.7				10.5~11.75
		1.8				12.5~15
		2.0		60*200 60*220 80*200 80*220 100*180 120*160 120*200	100*250 160*160 180*180 140*180 150*170 150*180 150*200	2.5
		2.2				2.75~3.25
		2.5~3.0				3.5~5.0
		3.5~3.75				5.25~7.75
20*60 20*80 25*65 30*70 35*60 38*38 45*45 39*49 25*70	25*50 30*50 30*60 40*40 40*50 40*60 50*50	1.2				9.5~11.75
		1.3				12.5~15.75
		1.4				16~~30
		1.5		100*350 125*250 130*250 135*135 140*240 150*220 225*225	100*300 150*250 200*200 200*250	2.75
		1.7				3.0~3.25
		1.8				3.5~9.75
		2.0				11.5~11.75
		2.2				12.5~14.75
		2.5~4.0				15.5~15.75
		4.25~5.0				16~~30
		5.25~5.75		100*400 130*300 150*350 200*280 220*220 200*350 250*350	150*300 200*300 250*250 180*300 200*400 300*300	3.5~4.0
		5.75~6.0				4.5~7.75
30*100 40*70 40*90 50*60 50*75 50*90 55*55 65*65	40*80 40*100 50*70 50*80 60*60 60*80 70*70	1.3				9.5~11.75
		1.4				12.5~14.75
		1.5				15.5~17.75
		1.7				4.75~11.75
		1.8				12.5~14.75
		2.0				15.5~17.75
		2.2		300*320 300*350	200*500 250*450 300*400 350*350	4.75~11.75
		2.5~4.0				12.5~14.75
		4.25~5.0				15.5~17.75
		5.25~5.75				18~~30
		5.75~6.0		200*450 250*400 250*500 300*450	200*600 280*280 300*500 350*400 400*400	4.5~5.75
40*120 40*140 50*110 50*120 50*125 70*100 85*85	50*100 60*90 60*100 60*120 75*75 80*80 80*100 90*90	1.3				6.5~11.75
		1.5				12.5~14.75
		1.7				15.5~17.75
		1.8				18~~30
		2.0		300*700 300*650 320*320	300*600 400*500 400*600 450*450 500*500	4.5~7.75
		2.2				9.5~9.75
		2.5~4.0				11.5~13.75
		4.25~5.0				14.5~15.75
		5.25~5.75				16.5~17.75
		7.5~9.75				18~~30

Tianjin Youfa International Trade Co., Ltd. - Steel Products

Steel Products

Tianjin Youfa International Trade Co., Ltd. offers a wide range of high-quality steel products to meet your construction and industrial needs. Our products are designed to provide durability and strength, ensuring long-lasting performance.

Angle Bar

Our angle bars are made from premium quality steel, providing excellent structural support for various applications. They are versatile and can be used for framing, bracing, and reinforcing structures. With a black self finish or hot-dipped galvanized process, our angle bars are resistant to corrosion and offer a sleek appearance.

Flat Bar

Our flat bars are manufactured with precision to deliver exceptional strength and stability. They are ideal for creating sturdy frameworks, supports, and base plates. The black self finish or hot-dipped galvanized process ensures resistance against rust and enhances the overall aesthetic appeal.

Plate and Sheet

Our plates and sheets are crafted from high-quality steel, making them suitable for various industrial applications. They offer excellent strength and durability, making them ideal for manufacturing components, machinery, and structures. With a black self finish or hot-dipped galvanized process, our plates and sheets are protected against corrosion and provide a professional finish.

Choose Tianjin Youfa International Trade Co., Ltd. for all your steel product needs. Our commitment to quality and customer satisfaction sets us apart. Contact us today to discuss your requirements and place an order.

Tianjin Youfa Steel Pipe Group Co.

About Us

Tianjin Youfa Steel Pipe Group Co. is a leading manufacturer and exporter of high-quality steel pipes. Founded in 2000, our headquarters is located in Daqiuzhuang Village, Tianjin City, which is the largest steel pipe production base in China.

In 2017, we produced over 15 million tons of various steel pipes, making us the largest welded steel pipe manufacturer in the world. We have been the number one producer and seller in China for 13 consecutive years. Our products are exported to more than 86 countries and regions, and we are proud to be recognized as one of the Top 500 Enterprises in China.

We have established four production bases in Tianjin City, Tangshan City, Handan City, and Shanxi Province, ensuring efficient and reliable production capabilities.

Tianjin Youfa International Trade Co., Ltd.

Tianjin Youfa International Trade Co., Ltd. is a subsidiary of YOUFA Steel Pipe Group. Located in Tianjin City, our company has a team of 55 professional talents. To provide personalized service for foreign businessmen, we have opened a processing factory spanning 10,000 square meters.

Product Range

• ERW Steel Pipe


• Hot Dipped Galvanized Steel Pipe


• Square and Rectangular Steel Pipe


• Steel Pipe of Lining Plastic


• Plastic-coated Steel Pipe


• Spiral Steel Pipe


• Highway Materials

Certifications

Tianjin Youfa Steel Pipe Group Co. has acquired the following certificates:

• API 5L/5CT


• ISO9001


• ISO14001


• ISO18001


• EN10219


• FPC


• UL / FM quality system

Contacts:
Export Department

TIANJIN YOUFA STEEL PIPE GROUP
TIANJIN YOUFA INTERNATIONAL TRADE CO., LTD
Address: Daqiuzhuang Town, Jinghai District, Tianjin City, China
Group Website: sianosteel.en.made-in-china.com

Tianjin Youfa International Trade Co., Ltd. is a renowned company specializing in steel pipe manufacturing and trading. Located in Daqiuzhuang Town, Jinghai District, Tianjin City, China, we are committed to providing high-quality products and excellent service to our customers.

With our extensive experience and expertise in the industry, we offer a wide range of steel pipes that cater to various applications. Our products are manufactured using advanced technology and adhere to strict quality control measures, ensuring durability and reliability.

Whether you need pipes for construction, infrastructure development, or industrial purposes, we have the perfect solution for you. Our steel pipes are known for their exceptional strength, corrosion resistance, and long lifespan. They are designed to withstand harsh conditions and provide optimal performance.

At Tianjin Youfa International Trade Co., Ltd., we prioritize customer satisfaction and strive to meet their specific requirements. Our team of professionals is dedicated to providing personalized assistance and guidance throughout the purchasing process. We value long-term partnerships and aim to establish mutually beneficial relationships with our clients.

For more information about our products and services, please visit our group website at sianosteel.en.made-in-china.com. We look forward to serving you and fulfilling your steel pipe needs.