Nickel Alloy Steel Pipes/Nickel Alloy Steel Tubes: Common grades: N02200, N04400, N06600, N06601, N06617, N06625, N06690, N08800, N08810, N08811, N08825, N08020, N08367, N08028, N06985, N06022, N10276, N10665 and so on. Common standards: ASTM B163 ASME SB163) Seamless nickel and nickel alloy condenser and heat exchanger tube ASTM B165(ASME SB165) Seamless nickel - copper alloy seamless nominal pipe and tube ASTM B167(ASME SB167) Seamless ni - cr - iron alloy and nickel - cobalt - chromium - molybdenum alloy seamless nominal pipe and tube ASTM B407(ASME SB407) Seamless nickel - iron - chromium alloy nominal pipe and tube ASTM ASTM B423(ASME SB423) Seamless nickel - iron - chromium - molybdenum - copper (UNS N08825 and UNS N08221) nominal pipe and tube ASTM B444 (ASME SB444)(Seamless nickel - chromium - molybdenum, niobium alloy (UNS N06625) and nickel - chromium - molybdenum - silicon alloy UNS N06219)Nominal pipe and tube ASTM B622 (ASME SB622) Seamless nickel and nickel - cobalt alloy nominal pipe and tube ASTM B668 (ASME SB668) UNS N08028 seamless tube ASTM B690(ASME SB690) Seamless iron - nickel - chromium - molybdenum (UNS N08366, UNS N08367) nominal pipe and tube ASTM B729 (ASME SB729) Seamless UNS N08020, UNS N08026, UNS N08024 nickel alloy nominal pipe and tube