| Standard | GB 5310-1995, JIS G3463-2006, ASTM A106-2006, DIN 1626, API 5CT, BS 1387 |
| Grade | ST37, 15crmo, API J55, STPG42, A53(A,B), 15NiCuMoNb5, Cr17Ni8, STB35, STPA25 |
| Thickness | 3mm - 50mm |
| Section Shape | Square/The needs of customers |
| Place of Origin | China |
| Application | Structure Pipe |
| Technique | Hot Rolled |
| Certification | API |
| Surface Treatment | galvanized |
| Special Pipe | Thick Wall Pipe |
| Alloy Or Not | Is Alloy |
| Tolerance | ±1% |
| Type | Square Tubesc |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Product name | Square Steel Tube |
| Keyword | Seamless Square Pipes |
| MOQ | 1 Ton |
| Material | Q195/Q215/Q235/Q345/10#/20# |
| Usage | Construction Structure etc |
| Shape | Square. Rectangular |
Q: Are you trading company or manufacturer ?
A: We are manufacturer for steel and also professional trade company for all kinds of steel materials.
Q: What will be your delivery time?
A: 7-15 days according to different items and different quantity. If small quantity can be 5-7days.
Q: Will you provide free samples ?
A: Samples are free, but the courier freight will be on buyer account.
Q: Do you accept the third party inspection?
A: Yes all inspection accepted.
Q: How could you guarantee your products?
A: We have national QA/QC standard laboratory and will test all products strictly.
Before delivery, our company will also go to factory for final quality confirmed ourselves.
Q: How do we trust your company?
A: We support video inspection for our company and factory, also welcome all our clients
come for visit at any time. Honesty is our only rule for cooperation.