1.Standard: ASME, API, GB/T, DIN, JIS
2.OD: 20 to 180mm
3.WT: 2 to 30mm
4.Length: 12,000mm maximum
5.Application:For mechanical engineering,  For mechanical and pressure use, and also for transporting steam, water, gas and more
6.FOB price: the competitive price
7.Certification: API, ISO