DIN 85387-2:1998 船舶和海上技术.超轻型的活动法兰和对焊法兰.第2部分:CuNi10Fe1,6Mn 材料制的 DN 32至DN 50,PN25以下,DN 65至DN 125,PN 10以下对焊法兰.
Ships and marine technology - Loose flanges and welding necks extra light duty - Part 2: Welding necks made of CuNi10Fe1,6Mn, DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10