Rectangular tube is a hollow square cross section light thin wall steel tube, also known as refrigeration bending steel profiles. It is based on Q235 hot rolled or cold rolled steel strip or rolled plate parent metal by cold bending forming by high frequency welding again after made of rectangular cross section shape, the size of the steel.
1). black steel tube |
2). galvanized steel tube |
3). galvanized section steel:angle steel,channel steel,I/H Beam,flat and round bar |
4). rotary blade for farm and garden |
5). street light pole |
6). we also can galvanize anti-corrosion processing surface for you.
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Commodity |
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Shape | Round pipe | Square tube | Rectangular tube |
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Outer diameter | 10.3-2032mm
| 20*20-400*400mm
| 20*30-400*500mm
|
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Wall thickness | 1.73-52.37mm | 0.5-25mm | 0.5-25mm |
|
Length | 1m--5.8m/6m/12m and random length | |||
Tolerance | OD: +/-5%; Thickness: +/-5%; Length: +/-10%. | |||
Standard | Round pipe: GB/T3091, BS1387-1987, ASTM A53, DIN2440, EN39-2001. Square/Rectangular tube: GB/T6728-2002, ASTM A500 Gr A B C, JIS G3466. | |||
Grade | Q195, Q235, Q345, ST37, ST52, Grade A, Grade B. | |||
End finish | Plain/ beveled ends or threaded with sockets/coupling and plastic caps. | |||
Usage | Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Low pressure fluid pipe for water oil or gas, Boiler pipe. | |||
Inspection | With hydraulic testing, eddy current and infrared test | |||
Standard export packing | In bundles by steel strips, waterproof woven cloth with 7 slats, then pack into 20' or 40' container. | |||
Delivery time | Less than 20days, ASAP to save your time. | |||
Payment Terms | T/T or L/C | |||
Others | 1:Special design available according to the clients' requirement. 2:Pipe can be painting. 3:All production process are under the ISO9001:2008 strictly | |||
Application
Widely used in construction, bridge, highway, windows of model steel door, machinery, chemical industry, supermarket goods shelf and so on.
Our Advantages:
1) Contract Manufacturing: OEM Service Offered, Design Service Offered, Buyer Label Offered
2) Small quantity is welcome
3) Non-standard products can be ordered
4) A strong production capacity and a large inventory guarantee the quick delivery
5) We have our own steel mill, so business without a third-party
Payment & Shipping Terms:
Price: | FOB USD 600~800 / Ton |
Minimum Order Quantity: | 10 Ton/Tons per size |
Port: | Tianjin port |
Packaging Details: | export packing |
Delivery Time: | Within 20 days from receiving L/C or Deposit |
Payment Terms: | L/C,T/T |
Supply Ability: | 500Ton/Tons per month |
Tianjin Erf metal structure co., LTD. (subordinate KaiLongGang structure co., LTD) is a positive response to the national development and environmental protection, energy-saving and efficient steel structure industry, and was engaged in steel structure of the system design, research and development, production and installation of professional firms.

We specialized in producing cold bending steel, cold bend profiled steel, C/Z/U type profile steel; Galvanized steel, steel door frame; Hot dip galvanized steel structure; metal wire rope manufacturing, rolled plate kaiping; Steel, strip steel, and other products.

Company tenet: the same products compare quality, same quality compare price, the same service compare the prestige, with our strong technical force, advanced production technology and perfect after-sales service for the purpose, hope to cooperate with friends from all walks of life, hand in hand, create brilliance!

Packing details: in bundle by steel strip or as customer's requirement.
Delivery Details:7-30days after received the deposit.

1. Are you manufacturer?
Yes. We are specialized in producing many kinds of profile structure and have many years experience.
2. Do you have any certifications?
Yes, with ISO 9000 & CE certificate, our products are of high quality and we have professional engineers and staff team.
3. Which field are your products applied to?
Our products are widely used into buildings, railways, bridges, stadiums, port, hull assort ,offshore oil drilling platform, wind tower drum and so on light and heavy steel structure etc
Christy Cao
Tianjin Erf Metal Structure Co., Ltd.
Address: Tianyu technology park,in the eastern side of the plaza,Jinghai District,Tianjin,China
Skype:cn-christy Whatsapp:+8618626642484
Tel:+8615522380609 Wechat:985727464
Website:
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