1) Pipe diameter: 6mm -40mm2) Thickness: 0.7-2.5mm3) Steel grade: TP304/304L, TP316/316L, TP316Ti4) Standards: ASTM / ASME213, A312, A269, JIS G3459, G3463, DIN174585) Applications: petroleum, smelting, power, chemical industry, auto, environmentprotection, oceanOuter packing:Bundles or seaworthy wooden cases