Galvanized Pipes and Tubes

Specifications:1) Diameter: 1/2" - 6"2) Producing standard: GB/T3091-93, BS1387, ASTM A53A SCH403) Plain end or threaded end4) Two kinds of Galvanized methods: pre-galvanizing and lag-galvanizing or some others call it post-galvanizing4) Application: water transport, anti-rust frame basis, scaffold producing area:China payment:L/C at sight supplying capacity:5,000MT/month