TB/T 1979 05CuPCrNi Weather Resistant Steel Coil TB/T 1979 09CuPCrNi-B Weather Resistant Steel Coil TB/T 1979 09CuPCrNi-A Weather Resistant Steel Coil TB/T 1979 09CuPTiRE-B Weather Resistant Steel Coil TB/T 1979 09CuPTiRE-A Weather Resistant Steel Coil TB/T 1979 09CuPVRE Weather Resistant Steel Coil