1)Size:1/2"-48" 2)Standard: ANSI B16.9/B16,11/B16.28,DIN2605-2642,JIS, ... , con-red,ECC-red, caps2) Size: 1/2"-48"3) Standard: ANSI B16.9/B16, 11/B16.28, DIN2605-2642, JIS ... , and ISO4) Material: ASTM A234 WPB, carbon steel5) Surface treatment: transparent oil, rust-proof ... , 160, STD, XS, XXS, and SGP7) Packing: in veneer cases ASTM Elbow(JT-CBW006)