Cold Rolled Hollow Section 80*80mm Square Steel Tube for Construction

• Customization: Available
• Type: Welded
• Technique: ERW
• Model NO.: 10#-45#, A53-A369, ST35-ST52, 10#, A179-C, ST35, S
• Material: Carbon Steel
• Surface Treatment: Varnishing
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square
• Od: 20 - 820 mm
• Thickness: 3mm-100mm
• Transport Package: in Bundles Tied with Steel Strips.
• Origin: China
• HS Code: 7304319000
• Production Capacity: 10000tons/Year

Product Description

Quick Details
Standard: API, API 5L
Grade: 10#-45#, API J55-API P110, 10#, 20#, 45#, API J55, API K55, API L80, API N80
Thickness: 2.0 - 80 mm
Section Shape: Round
Outer Diameter: 20 -820 mm
Place of Origin: Shanghai, China (Mainland)
Secondary Or Not: Non-secondary
Application: Fluid Pipe
Technique: Hot Rolled
Certification: API
Surface Treatment: black painting or According to clients 'request
Special Pipe: Thick Wall Pipe
Alloy Or Not: Non-alloy
Color: black painting or According to clients 'request


Packaging & Delivery

Packaging Details:	in bundles tied with steel strips.  Slightly internal and external oil coating.  End plastic caps.  External packing to be confirmed.  Marking on each piece of tube to be confirmed.

 

• Specification of square hollow sectionwe can supply
 

Size	W.T	Size	W.T	Size	W.T	Size	W.T	Size	W.T
mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
10x10	0.6~0.8	35x35	1.0~4.0	60x60	1.5~6.0	110x110	3.0~6.0	160x160	4.0~8.0
12x12	0.6~0.8	38x38	1.0~5.0	70x70	2.0~6.0	115x115	3.0~6.0	180x180	4.0~8.0
13x13	0.6~2.0	40x40	1.0~6.0	80x80	2.0~6.0	120x120	3.0~6.0	200x200	5.0~10.0
15x15	0.7~2.0	42x42	1.2~6.0	85x85	2.0~6.0	125x125	3.0~6.0
16x16	0.7~2.0	45x45	1.2~6.0	90x90	2.0~6.0	130x130	3.0~6.0
20x20	1.0~3.0	48x48	1.2~6.0	95x95	2.0~6.0	135x135	4.0~14.0
25x25	1.0~3.0	50x50	1.5~6.0	100x100	2.0~6.0	140x140	4.0~8.0
30x30	1.2~4.0	55x55	1.5~6.0	105x105	2.0~6.0	150x150	4.0~8.0

 
  
• Specification of Rectangular hollow sectionwe can supply
 

Size	W.T	Size	W.T	Size	W.T	Size	W.T	Size	W.T
mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
20x10	0.7~2.0	70x25	1.2~6.0	100x90	2.0~6.0	130x50	2.0~6.0	150x110	2.0~6.0
20x14	0.7~2.0	70x30	1.2~6.0	110x25	2.0~6.0	130x60	2.0~6.0	150x250	3.0~12.0
20x15	0.7~2.0	70x40	1.2~6.0	110x30	2.0~6.0	130x70	2.0~6.0	150x300	2.0~6.0
26x13	0.7~2.0	70x50	2.0~6.0	110x40	2.0~6.0	130x80	2.0~6.0	160x40	2.0~6.0
30x10	0.7~2.0	70x60	2.0~6.0	110x50	2.0~6.0	130x90	2.0~6.0	160x50	2.0~6.0
30x15	0.7~2.0	80x20	1.2~4.0	110x60	2.0~6.0	130x100	2.0~6.0	160x60	2.0~6.0
30x20	0.8~2.0	80x25	1.2~6.0	110x70	2.0~6.0	130x110	2.0~6.0	160x70	2.0~6.0
40x10	0.8~2.0	80x30	1.2~6.0	110x80	2.0~6.0	130x120	2.0~6.0	160x80	2.0~6.0
40x15	1.0~2.0	80x40	1.2~6.0	110x90	2.0~6.0	140x30	2.0~6.0	160x90	2.0~6.0
40x20	1.0~2.5	80x50	2.0~6.0	110x100	2.0~6.0	140x40	2.0~6.0	160x100	2.0~6.0
40x25	1.0~2.5	80x60	2.0~6.0	110x140	4.0~6.0	140x50	2.0~6.0	180x40	2.0~6.0
40x30	1.0~2.5	80x70	2.0~6.0	120x25	2.0~6.0	140x60	2.0~6.0	180x50	2.0~6.0
50x11	1.0~2.0	90x25	1.2~6.0	120x30	2.0~6.0	140x70	2.0~6.0	180x60	2.0~6.0
50x15	1.0~3.0	90x30	1.2~6.0	120x40	2.0~6.0	140x80	2.0~6.0	180x70	2.0~6.0
50x20	1.0~3.0	90x40	2.0~6.0	120x50	2.0~6.0	140x90	2.0~6.0	180x80	2.0~6.0
50x25	1.0~3.0	90x50	2.0~6.0	120x60	2.0~6.0	140x100	2.0~6.0	190x40	2.0~6.0
50x30	1.0~3.0	90x60	2.0~6.0	120x70	2.0~6.0	140x110	2.0~6.0	190x50	2.0~6.0
50x40	1.0~3.0	90x70	2.0~6.0	120x80	2.0~6.0	140x120	2.0~6.0	190x60	2.0~6.0
60x15	1.0~3.0	90x80	2.0~6.0	120x90	2.0~6.0	150x30	2.0~6.0	190x70	2.0~6.0
60x20	1.0~3.0	100x25	2.0~6.0	120x100	2.0~6.0	150x40	2.0~6.0	200x40	2.0~6.0
60x25	1.0~4.0	100x30	2.0~6.0	120x110	2.0~6.0	150x50	2.0~6.0	200x50	2.0~6.0
60x30	1.0~4.0	100x40	2.0~6.0	120x130	4.0~6.0	150x60	2.0~6.0	200x60	2.5~6.0
60x40	1.2~6.0	100x50	2.0~6.0	120x140	4.0~6.0	150x70	2.0~6.0	200x100	3.0~13.0
60x50	1.2~6.0	100x60	2.0~6.0	120x200	4.0~6.0	150x80	2.0~6.0	200x300	3.0~13.0

Company Profile
1. Our company has grown from a trading company into a manufacturer, sales, logistics in one large seamless steel pipe manufacturing enterprises after decades of effort. Our production workshop is about 80,000 square meters.

2. The company has six production lines for seamless steel pipe perforation unit, nine cold drawing production line, eight hot-rolled production line and four production units of thermal expansion, the company currently produces the outer diameter of 6mm-377mm, wall thickness of 1mm-80mm high-temperature high-pressure pipe, cold pipe, gas bottle pipe, line pipe, structural tubes, fluid pipes, low pressure tubes and mechanical roller seamless steel tubes, etc., according to customer requirements for thermal expansion of the diameter of 219mm-820mm, wall thickness of within 6mm-60mm steel non-standard number.
 
3. Our company has added 12 finishing train in 2008, producing 4-273 × 0.5-30mm of high precision cold pipes, cold drawn tubes, precision light pipe, bearing steel, tolerances up to ± 0.025mm, roughness up 1.6-0.8-0.2.
 
4. It may also be customized according to customer requirements of various hexagonal tube, oval tube within the cylindrical inner circle outside flat, inside and outside straight tooth tube, helical tube and other special-shaped pipe.
5. Our company is equipped with a full range of physical and chemical, mechanical properties testing, automatic testing machines, hydraulic machines and a variety of inspection and testing equipment, and adopted the ISO9001: 2000 quality system certification, ISO14001 environmental management system certification, API-5L PLS1, PLS2 certification and CE certification, all products Bank of AAA-credit enterprises, production and operation of product liability insurance coverage by the Chinese people's Insurance Company.
 
6. The company can produce according to Chinese standard GB, American Standard ASME, ASTM, Japanese standard JIS, German standard DIN, also can supply more than the above standard of internal control standards of production enterprises.In particular we can meet the special needs of customers,which is called "the amount of tailor-made ".
 

 Packaging:
   Standard packing
In bundles tied with steel strips. 
Slightly internal and external oil coating. 
End plastic caps. 
External packing to be confirmed. 
Marking on each piece of tube to be confirmed.
 
Trade Area
Products are sold from China, and exported to Europe, North America, South America, Japan, South Korea, Southeast Asia, Middle East and other parts of the world.
 
FAQ
Q1: Are you a factory or trading company? 
A: We are an enterprise of both professional production and large sales.
Q2: Can I get some samples? 
A: Yes, we are honored to supply you free samples of steel tube. 
Q3: What about your payment term?
A: Usually T/T or L/C, 30% deposit and 70% before delivery.
Q4: What about the lead time for mass production?
A:Honestly, it depends on the order quantity and specification and the season you place the order.
Q5: What is your terms of delivery?
A:We accept EXW,FOB,CFR,CIF,etc. You can choose the one which is the most convenient or cost effective for you.