Rectangular tube is a hollow square cross-section light thin-walled steel tube, also known as steel cold-bent profile. In addition to the thickening of the wall thickness, the corner size and edge straightness of the hot-rolled extra-thick-walled square tube reach or even exceed the level of the resistance-welded cold-formed square tube.

API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe
We can supply API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe. Detailed information on seamless steel pipe, pls see below date sheet.
Our Advantange:
1. 100% after-sales quality and quantity assurance.
2. Quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe
We can supply API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe. Detailed information on seamless steel pipe, pls see below date sheet.
Our Advantange:
1. 100% after-sales quality and quantity assurance.
2. Quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe
We can supply API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe. Detailed information on seamless steel pipe, pls see below date sheet.
Our Advantange:
1. 100% after-sales quality and quantity assurance.
2. Quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe
We can supply API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe. Detailed information on seamless steel pipe, pls see below date sheet.
Our Advantange:
1. 100% after-sales quality and quantity assurance.
2. Quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe
We can supply API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe. Detailed information on seamless steel pipe, pls see below date sheet.
Our Advantange:
1. 100% after-sales quality and quantity assurance.
2. Quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe
We can supply API 5L / ASTM A106 / A53 Grad B carbon Seamless steel pipe. Detailed information on seamless steel pipe, pls see below date sheet.
Our Advantange:
1. 100% after-sales quality and quantity assurance.
2. Quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

Square tubes are steel tubes with equal sides. Generally, the strip steel is unpacked, flattened, curled, and welded to form a round tube, which is then rolled into a square tube and cut into the required length.