425*25大口徑非標無縫鋼管 美標無縫鋼管 45號非標無縫鋼管

合金管：12Cr1MoVG 15CrMoG 10CrMo910 Cr5Mo 1Cr5Mo Cr9Mo WB36 P11 P12 P22 P5 P91 T91...T11 T12 T22 T5 T2 P5 SA213T91 A335P91 SA213T92 A335P92 13CrMo44 1Cr11MoV...
美標管： ASME A53F A53-A B SA106B SA-106B A106B A210C SA-210C SA210C...
低溫管： A333GR.6 A333GR.3 A333GR.1 A333GR.7 16MnDG 16MnD Q345D Q345C Q345E Q345B...
高壓鍋爐管： 20G SA-106B A53-B SY45.8-111 GB5310 GB3087...
化肥專用管： 12Cr1MoV 15CrMO Cr5Mo 1Cr5Mo P5 20G 16Mn GB6479-2000...
石油裂化管： 12Cr1MoV 15CrMo Cr5Mo 1Cr5Mo P5 20G 16Mn GB9948-2006...
輸送流體管： 10# 20# 20G 16Mn Q345A B C D E ASTM A106A A106B A106C A210A A210CA210B...
管線管： API5L L175 L210 L245 L290 L320 L360 L415 L450 L485 X42 X46 X52 X56 X65 X70
壓力容器管： 16MnR 20R Q245R Q345R 12MnNiVR...
石油套管：J55 K55 N80 L80 C90 C95 P110...
方管方矩管 ： 16Mn Q345A/B/C/D/E Q235A/B/C/D 20#/35#/45# GB6728-2002...
鍍鋅管焊管螺旋管：Q235 Q235B Q345B Q345C Q345D 16Mn...
哈氏合金管：C276