1.Size: 1/2" to 24" W.T: 3mm-40mm (SCH 20 to SCH XXS)
    OD : 114.3mm to 1219.2mm
2. Material & standard: ASTM A 106/A53 GR.B APL 5L GR.B API 5L X42-X 70 DIN 2448
3.Surface: Oil-coating,varnish,or end-protection by plastic caps to be confirmed
4.Packing: In hexagonal shape bundles wrapped with strong steel trip 2MT/bundle
5.Application; Oil&gas,chemical,electric industry and ship construction and water transportation
6 Operation principle: superior quality,competitive price, best service