无缝管和焊接管 X1CrNiMoCuN20-18-7 X1NiCrMoCu25-20-5 X2CrMoTi18-2 X2CrNi12 X2CrNi18-9 X2CrNi19-11 X2CrNiMo17-12-2 X2CrNiMo17-12-2 X2CrNiMo17-12-3 X2CrNiMo18-14-3 X2CrNiMoN17-13-3 X2CrNiMoN17-13-5 X2CrNiMoN22-5-3 X2CrNiMoN25-7-4 X2CrNiN18-10 X2CrNiN18-7 X2CrNiN23-4 X2CrTi12 X2CrTiNb18 X3CrNiMo17-13-3 X3CrTi17 X5CrNi18-10 X5CrNiMo17-12-2 X6Cr17 X6CrMoNb17-1 X6CrNiMoTi17-12-2 X6CrNiNb18-10 X6CrNiSiNCe19-10 X6CrNiTi18-10 X6NiCrSiNCe35-25 X8CrNi25-21 X9CrNiSiNCe21-11-2 X12CrNi23-13 X15CrNiSi20-12