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square steel tube A36

Product Detail

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Product description

Our enterprise aims to operating faithfully, serving to all of our prospects , and working in new technology and new machine frequently for Newly Arrival China Carbon Steel Seamless Pipe&Tube A36 A355 P5 P11 En10210 En10216 DIN17175 Round Hot Rolling Alloy Steel Tubular 4130 4140 Q345 13cr, Generate Values,Serving Customer!" is the intention we pursue. We sincerely hope that all clients will establish long term and mutually effective cooperation with us.In case you wish to get additional particulars about our business, Remember to speak to with us now.

Newly Arrival China Carbon Steel Pipe,  Seamless Carbon Steel Pipe, We aim to build a famous brand which can influence a certain group of people and light up the whole world. We want our staff to realize self-reliance, then achieve financial freedom, lastly obtain time and spiritual freedom. We do not focus on how much fortune we can make, instead we aim to obtain high reputation and be recognized for our products. As a result, our happiness comes from our clients satisfaction rather than how much money we earn. Ours team will do best for you always.

Quick Details

Place of Origin Tianjin, China
Brand Name ASTM
Application Fluid Pipe, Hydraulic Pipe, Gas Pipe, Chemical Fertilizer Pipe, Structure Pipe
Alloy Or Not Non-Alloy
Section Shape Square
Special Pipe Thick Wall Pipe
Thickness 0.4 - 50 mm
Standard ASTM
Length 12M, 6m, 6.4M, 1-18m random, or fixed length
Certificate API, ce, ISO9001
Grade A36 A53 ST37 ST52 Q235B
Surface Treatment Bare,Black painting,Galvanized,3PE
Tolerance ±5%, ±10%
Processing Service Bending, Welding, Decoiling, Punching, Cutting
Oiled or Non-oiled Slightly Oiled
Invoicing by actual weight
Delivery Time 7 days
Product name square steel tube A36 100mm*100mm
Technique square
Steel Grade Grade B/X42/X52/X60/X70 L245/L290/S320/L360/L390/L415
End type Plain, bevel
End protector Plastic caps,metallic protector, coupling
Packing Sea Worthy Packing
Marking OD,WT,L,Grade,Heat No,etc.
Inspection SGS BV TUV
Usage Fluid Pipe, Structure, Gas Pipe,etc.
Supply Ability 2000 Metric Ton/Metric Tons per Day

Product Description


Square & Rectangular pipes




0.4mm -50mm




1m-18m random or fixed length available


GB 20#,Q235,Q345,ST35.8,ST37,ST52,ASTM A106 Gr.B,A53Gr.B,API 5L Gr.B.X42,X46,X52,X60,X65,X70,S235JR,S355JR


GB/T 8163,DIN2440,DIN2448,API 5L,ASTM A53,ASME B36.10M,BS EN10218


Bevel ends, Plain Ends, Threaded ends

Surface Treatment

black, oil, Black Oil Surface Or Other Anti-corrosive Treatment
2)oiled,powder coating
3)Galvanized as your requirement
PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-600g/m2


2.In bulk
3.Ends Protector on both sides
4.Woven cases
5.Wooden cases
6.As clients’ requirement


Widely used in Structure, Accessorize,Construction,
Fluid transportation,machinery parts,the stress parts of the automobile
tractor parts and so on


Products of goods’ quality.

Favorable price.

Guaranteed delivery time.

Flexible payment terms.

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

4 (7)
4 (6)
4 (5)


--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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