Samless Square Pipes, Brand Name : Xiangxin 20X20mm~400X400mm

We are offering seamless square*rectangular steel pipes
1. Material: astm a500 , 20#,45# q345, st52,s355jr, etc.
2.standards: astm a500, bs1387-1985, gbt3094-2008, jis3466, gbt6728-2002
3. Production technique: cold drawm
4. Specification: 20x20mm~400x400mm
thickness: 1mm~18mm
length: 6m or cut as request
addition: hot dipped galvanizied coating or painting.
Packing:
1. Galvanized: packed by steel strips
2. Black steel hollow: packed by steel strips and tarpaulin
3. According to the requirements of customers
4. Usage: mechanical & manufacture, steel structure, ship building, bridging, automobile chassis, construction, etc.