


Square pipe is a name for square pipe and rectangular pipe, that is, steel pipe with equal and unequal side length. It is made of rolled strip steel after process treatment. Generally, the strip steel is unpacked, leveled, crimped and welded to form a round pipe, then rolled into a square pipe from the round pipe, and then cut into the required length. Application fields: widely used in machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouses,automobile industry, railway, highway guardrail, container skeleton, furniture, decoration and steel structure. For engineering construction, glass curtain wall, door and window decoration, steel structure, guardrail, machinery manufacturing, automobile manufacturing, household appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural greenhouse, bicycle frame, motorcycle frame, shelf, fitness equipment, leisure and tourism products,steel furniture, various specifications of oil casing, oil pipe and pipeline pipe, water, gas, sewage Air, heating and other fluid transportation, fire fighting and support, construction industry, etc.

| Product Name | Square welded pipe |
| Material | Q195,Q235,20#,Q345,Q355,etc |
| Wall Thickness | 0.8MM-20MM |
| Outer Diameter | 10*20-800*1000 |
| | 6m,6.4m,12m |
| Standard | ASTM A53,BS1387-1985,GB/T3091-2001,GB/T13793-92, GB/T6728-2002,API 5L |
| Packing | Bundle, or with all kinds of colors PVC or as your requirements |
| Pipe Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded andcoupling.etc. |
| | 1. PVC,Black and color painting 2. Transparent oil,anti-rust oil 3. According to clients requirement |
| | 1. Fence, greenhouse, door pipe,greenhouse 2. Low pressure liquid, water, gas, oil, line pipe 3. For both indoor and outdoor the building construction 4. Widely used in scaffolding construction which is much cheaper and convenient |
| Certificates | API ISO9001-2008,SGS.BVAPI, |
| Delivery Time | Usually within 10-45 days after receipt of advance payment |
Product Advantage

Products Are Widely Used

FAQ
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We are always ready to serve you via Email, Wechat or Mobile telephone.
Mobile:+86-17763575925 Wechat: 008617763575925
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Monday-Saturday : 8:30AM-17:30PM (Beijing time, GMT+08.00)
We have public holiday during May.1-3, Oct.1-7 and Chinese New Year holiday . For detail,
please see our update holiday notice. During these period, if you have a demand, Please
send me an email.
Do you provide free samples?
Yes, we can provide a free small sample for testing, buyer should bear all the shipping costs.
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T/T,L/C,Western Union,MoneyGram,Paypal
We are doing the best to match your demand.
What is the lead time?
Usually sample lead time is 7 days after payment has been confirmed.
Normal order is 10-30days,it depends on customers’ quantity.
Anyway,we try to offer good-quality products as soon as possible.