Carbon Steel Hot Dip Black Annealed Square Tube MS Hollow Section Rectangular Pipe

Item | Steel square tube |
Standard | API 5L/ASTM A523/ASTM A252/GB-T8711/BS 6363 etc |
Material | Q195 similar to a283 GR.B, 040a10, ss330 Q235 similar to a283 GR.D, 080a15,CS type B Q345 similar to a737 GR.B, SS400, S235JR |
Strength | Tensile strength: 315-430(Mpa) Yield steength:195(Mpa) Elongation:33 |
Surface Treatment | 1)Black,Pre-galvanized 2)Oiled,powder coating 3)Galvanized as your requirement PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2 |
2. Transparent oil,anti-rust oil | |
3. Galvanize on the surface | |
Package | Bundle;Bulk;Plastic bags ,etc |
Others | We can do special orders as customer's requirement. |
All the production process are made under the ISO9001:2008 strictly |




Advantage of square tube



2) 40ft container: 26tons (Can load 11.8M Max)
3) more than 100tons:can pack by bulk vessel
4) as your requirement.




A1: Our main products are stainless steel/carbon/galvanized plate/sheet, coil, round/square pipe, bar, channel, etc.
Q2. How do you control quality ?
A2: Mill Test Certification is supplied with shipment, Third Party Inspection is available.
Q3. What are the advantages of your company ?
A3: We have many professionals, technical personnel, more competitive prices and best after-dales service than other steel
companies
Q4. How many coutries you already exported ?
A4: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Turkey, Jordan,India, etc.
Q5. Can you provide sample ?
A5: Small samples in store and can provide the samples for free.
Customized samples will take about 5-7days.

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