Thank you very much for your sincere service. The quality of your products has always been very good. We are very relieved and hope to have more cooperation in the future.
    Thank you for your products. Your products are of good quality and considerate service. We are very confident and willing to cooperate with you. We hope there will be opportunities for cooperation with other products in the future.
Contact Person : Anne
Phone Number : +8618963570880
Whatsapp : +8618963570880

20mm Black Square Rectangular Steel Pipe Tubes Seamless Metal Carbon

Place of Origin Shandong
Brand Name TongMao
Certification ISO9001
Model Number Square Rectangular Steel Pipe
Minimum Order Quantity 0.5Tons
Price negotiation
Packaging Details Standard Seaworthy Package
Delivery Time 5-15days
Payment Terms L/C, T/T
Supply Ability 500ton/Month

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Application Fluid Pipe, Boiler Pipe, Other Thickness 0.8-20mm
Length 12m, 6m, 6.4m Or Consumer Requirement Surface Treatment Hot Rolled
Processing Service Welding, Punching, Cutting, Bending, Decoiling Technique Welded
High Light

Seamless Square Rectangular Steel Pipe


20mm Carbon Rectangular Steel Pipe


ASTM A53 Rectangular Steel Pipe

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Product Description

20mm Black Square Rectangular Steel Pipe Tubes Seamless Metal Carbon 0

20mm Black Square Rectangular Steel Pipe Tubes Seamless Metal Carbon 1

20mm Black Square Rectangular Steel Pipe Tubes Seamless Metal Carbon 2

Products Description
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.


20mm Black Square Rectangular Steel Pipe Tubes Seamless Metal Carbon 3

Product Paramenters
Product Name
Square welded pipe
Wall Thickness
Outer Diameter
ASTM A53,BS1387-1985,GB/T3091-2001,GB/T13793-92, GB/T6728-2002,API 5L
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.
Surface Treatment
1. PVC,Black and color painting

2. Transparent oil,anti-rust oil

3. According to clients requirement
Product Application
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
Delivery Time
Usually within 10-45 days after receipt of advance payment


Product Advantage

20mm Black Square Rectangular Steel Pipe Tubes Seamless Metal Carbon 4


Products Are Widely Used

20mm Black Square Rectangular Steel Pipe Tubes Seamless Metal Carbon 5




How can I contact with your company?

We are always ready to serve you via Email, Wechat or Mobile telephone.

Mobile:+86-17763575925 Wechat: 008617763575925


What is your working time?

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.


What is your payment terms?

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.