Q235 Q355 Square and Rectangular Hollow Section Perforated Tube SHS RHS HSS Steel Profile

$600.00 - $750.00
Min. Order
10 Metric Tons
Company Information

Tianjin Youfa Hongtuo Steel Pipe Manufacture Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
2 Years Paid Supplier Supplier Trade Assurance
Learn More

Quick Details

Port: Tianjin Xingang
Payment Terms: L/C,D/A,D/P,T/T
Supply Ability: 247500 Metric Ton/Metric Tons per Month square and rectangular tube
Standard2: ASTM A106-2006,ASTM A53-2007,ASTM A335-2006,ASME B36.10M-2004,BS EN10025,BS EN10219,GB/T 3091-2001,GB/T 13793-1992,GB/T8163,JIS G3444-2006,JIS G3466,DIN 2444
Grade Group: 10#-45#,A53-A369,Q195-Q345,ST35-ST52,STB35-STB42
Grade: 20#,45#,A53(A,B),A106(B,C),Q235,Q345,Q195,Q215,St37,St52,St35.8,STB35
Section Shape: Square and Rectangular
Place of Origin: Tianjin China
Application: Structure Pipe
Thickness: 1.2 - 20 mm
Surface Treatment: Natural Black
Technique: ERW
Alloy Or Not: Non-alloy
Special Pipe: Thick Wall Pipe
Product name: Square and Rectangular Hollow Section Tube SHS RHS HSS Steel Profile
Secondary Or Not: Non-secondary
length: 5.8-12m
Type: Welded ERW
End protector: None
Usage: Construction Structure
Anti Rust Treatment: Slightly oiled or painted
Company: Both Factory and Trade
Advantage: Good Quality, Quick Delivery
Packaging Detail: Standard package or plastic wrapped as requirements. 25 tons/container and 5 tons/size for a trial order

Biggest manufacturer

Tianjin Youfa Steel Pipe Advantage

1. 100% after-sales quality and quantity assurance.
2. Professional sales manager quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

Product Description

Q235 Q355 Square and Rectangular Hollow Section Perforated Tube SHS RHS HSS Steel Profile

Factory in Tianjin City, China.    www.chinayoufa.com

Product NameSquare and Rectangular Steel Pipe

Square pipe: 20*20mm~500*500mm
Rectangular pipe: 20*40mm~300*500mm


Thickness: 1.2mm~20mm


Length: 2.0m~12m

MaterialCarbon Steel 
Steel GradeQ195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q355 = S355JR / A500 Grade B Grade C
StandardEN10219, EN10210
GB/T 6728
JIS G3466
ASTM A500, A36
Anti-rusty coating

PVC Plastic wrapped

Slightly oiled

Painted black or other color

Pipe EndsPlain ends

ISO 9001 / ISO 18001 / ISO 14001 / CE

Trade termsFOB, CFR, CIF, EXW, FCA
Payment termsT/T, LC
Delivery time15-45 days (based on quantity) after receiving advanced payment by T/T or LC .
Main marketSoutheast Asia, South Asia, Middle East, Europe, Middle&South America, Africa and Oceania

square pipe

Square and rectangular hollow section pipe steel tubing USAGE:

Construction / building materials steel pipe 

Fence post steel pipe   

Structure steel pipe

Greenhouse frame steel pipe

Solar structural components

SHS RHS pipe usage


Packaging & Shipping

Square and rectangular hollow section pipe steel tubing PACKING AND DELIVERY:          

1. OD 300mm and below In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles 
2. above OD 300mm in bulk or according to custom opinion 
3. 25 tons/container and 5 tons/size for a trial order; 
4. For 20" container the max length is 5.8m; 
5. For 40" container the max length is 11.8m.

Square Steel Pipes B (210)Square Steel Pipes B (203)Square Steel Pipes B (183)SQUARE PIPE PACKING


Company Information

  TIANJIN YOUFA STEEL PIPE GROUP CO LTD.  brief introduction:                          

Tianjin Youfa steel pipe Group co.,ltd was founded on July 2000, located at Daqiuzhuang village,Tianjin city, which is a large-scale steel pipe manufacturing enterprise producing ERW Steel pipe, hot-dipped galvanized steel pipe, SSAW steel pipe, square/rectangular steel pipe. Tianjin Youfa steel pipe group have been rated as top 500 enterprises of China in the same industry,and as top 500 manufacturing of China since 2012.

YouFa brand steel pipes have been successfully applied to Three George ProjectPudong International Airport,Capital International AirportBeijing Olympic StadiumShanghai World Expo Exhibition Hall,Jiaozhou Bay Cross-sea Bridge, the tallest building in China-117 Building in TianjinTian'anmen Parade Reviewing StandShanghai Disneyland Park and other national priority projects.YouFa has been recognized as No.1 brand in the industry.

Production Capacity:

Totally 11 factories with 9000 employees.
62 ERW steel pipe production lines
40 hot dipped galvanized steel pipe production lines
31 square and rectangular steel pipe production lines
9 SSAW steel pipe production lines
25 steel-plastic complex steel pipe production lines
12 hot galvanized square/rectangular pipe production lines
3 national accredited laboratory with CNAS Certificates 
1 Tianjin government accreditd technology center


Why choose us ?

1. Experience: 20 years focus on quality,
2. Strength: The company that can produce 10 million tons welded pipe exclusively in the world. More than 12,600,000 tons and 190,000 tons (Annual production and export volume)
3. Professional teams slove all kinds of your problems,
4. Service: 24 hours services quickly reply during the whole business process and after business,
5. Quality: Reliable and World certified. We have two national CNAS certified laboratories, and cooperated with many big steel plate factories and retesting of raw materials, 
6. any size could be customized as per your required,
7. BV,ISO,SGS Certification,
8. free sample,
9. Delivery: Own factory in TianJin! We are near Tianjin port, also have own transport fleet, have the most convenient transport and prompt delivery,
10. OEM  

square pipe production.jpg

Every year we attended exibition at home and abroad, visited customers and also have many customers visiting our factory.

youfa steel pipe customer




Strict Quality Control on Q235 Q355 Square and Rectangular Hollow Section Perforated Tube SHS RHS HSS Steel Profile:

1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own fire sprinkler steel pipe certificates, ISO9001/18001, FPC certificates.

quality control


1. Pre-Sales Service
*We can offer one free sample length 20 cm with freight collected, if you want to buy our products and take our price.

2. After-Sales Service
*Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination.




Q:Are you trading company or manufacture?
A:Both. Youfa Group has 4 production area in China.

Q:Can I have a trial order only for several tons?
A:We can ship the regular specifications with LCL service.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free, with the cost of freight paid by customer.
Q:Are you gold supplier and do trade assurance
A:YES. We have strong cooperation with SINOSURE.

Q:How long is your delivery time?
A:Generally it is 3-5 days if goods are in stock. or around 30days if the goods are not in stock and it is according to order requirement.

Q:What is your terms of payment?
A: Payment<=1000USD, 100% in advance. 
Payment>=1000USD, 30% T/T in advance ,balance before shippment. Or L/C at sight (For big order, LC at 30-90days can be acceptable)


Any question, pls feel free to contact us.