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A572 GR50 square tube /SQUARE STEEL PIPE

Product Detail

Product Tags

Product description

Dependable top quality and great credit score standing are our principles, which will help us at a top-ranking position. Adhering for the tenet of "quality first, customer supreme" for Hot Sale for China Steel Pipe (EN10219 S235JOH   S235J2H A572GR50 A36  275JOH

S355 J2H ), We warmly welcome you to establish cooperation and create a bright future together with us.

Hot Sale for China Steel Pipe,  Steel Tube, We have now a dedicated and aggressive sales team, and many branches, catering to our main customers. We have been looking for long-term business partnerships, and ensure our suppliers that they will surely benefit in both short and long run.

Quick Details

Application Structure Pipe
Alloy Or Not Non-Alloy
Section Shape Square
Special Pipe Thick Wall Pipe
Thickness 0.2 - 30 mm
Standard ASTM, GB, ASTM A53-2007, GB/T 3091-2001, GB/T 3087
Technique ERW
Grade A53(A,B), Q235, Q345, Q195, Q215, A53-A369, Q195-Q345
Surface Treatment oiled,paint,galvanized
Certification SGS,BV
Outer Diameter 10*10-400*400
Secondary Or Not Non-secondary
Material Q195/Q215/Q235/Q345
Surface Customers't Requirement
Length 1-12m or according to customers' requirement
Color Black....as Customers' Requirement
Commodity Black Square Hollow Section
End protector Iron Protector
Shape Square. Rectangular
Supply Ability 50000 Ton/Tons per Month square tube 20x20 mm steel

Packaging & Delivery


Packaging Details

1.Big Sizes: in bulk

2.Small Sizes: packed by steel strips

3.Woven cloth with 7 slats

4.Plastic Bags

5.As per customer's option

Our Services


1. Free sample can be supplied

2. Trial order  is acceptable

3. Third party test is acceptable

4. Delivery time guarantee


Products Show

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--1. Q: What is your MOQ(minimum order quantity)?

A: Only One Piece

--2. Q: What is your packing methods?

A: Packed in bundle or bundle with plastic bag or bulk.

--3. Q: What is your payment terms?

A: T/T 30% in advance by T/T, 70% will be before shipment under FOB.

    T/T 30% in advance by T/T, 70% against the copy of BL under CIF.

    T/T 30% in advance by T/T, 70% LC at sight under CIF.

    100% LC at sight CIF.

--4. Q: What is your delivery time?

A: Usually 15-20 days after received the advance payment, also depends on quantity.

--5. Q: Can we visit your factory?

A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

Buyer Reviews


Project case


1. 2015 Kuwait airport construction

2.2017 Singapore tunnel project construction

3. Curtain wall project of Hong Kong Government in 2010

4.2020 London GRG project construction

5. Steel structure construction project of Liaocheng Cultural Square

6. Liaocheng gymnasium construction project

7. 5g signal tower in 2020

8. Steel structure construction in Singapore in 2020


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