GB9948合金鋼管廠家規格齊全/大口徑合金鋼管480*15低價直銷

高壓管；20GSA-106B,A53-B,SY45.8-111,GB5310,GB3087石油裂化12Cr1MoV,15CrMo,Cr5Mo,1Cr5Mo,P520G,16Mn,GB9948-2006NO.9化肥專用管；12Cr1MoV,15CrMO,Cr5Mo,1Cr5Mo,P520G,16Mn,GB6479-2000NO.10輸送流體管；10#,20#,45#,20G,16Mn,(Q345ABCDE)ASTM,A106A,A106B,A106C,A210A,A210C,A210B管線管；L175,L210,L245,L290,L320,L360,L415,L450,L485,X42,X46,X52,X56,X65,X70壓力容器管；16MnR,20R,Q245R,Q345R方管矩管；16Mn,(Q345ABCDE),Q235,20#,GB6728-200212×168×4-4.5-10-12-14-16203×6-15-20-25-30-32-45-5014×1.5-2.5-370×4-4.5--12-15-16219×6-8-18-20-25-30-50-55-65-7016×1.5-2.5-473×4-4.5-9-10-12-15245×8--20-22-25-30-34-4018×2.4-576×4-47-8-9-10-12-14273×7-9-18-20-25-30-40-45-5020×2.-3-583×4.5-5-10-12-14-16-18-20299×8-24-28-30-38-40-4524×2.-4-5-689×4.5-8--18-20325×8-18-38-4225×2.54-5-695×4.5-6-8--16-20351×25-4028-4-5-6102×4.5-5--12-14-16-20355×6-25-30-40/5232×4-5-6-8108×4.5-510-12-14-18-20-22377×20-24-28-30-45-5034.5-6-8114×4.5-5--12-14-18-20402×10-15-20-25-30-3536×3.5-5-6-8121×4.5-5--12-14-16-20406×10-20-35-4038×4-5-6-7-8-9-10127×4.5-5-10-12-14-16-20426×10-12-20-25-30-35-4039×3.5-5-8-10133×4.5--14-16-18-20-25-30450×10--20-25-34-40-5042×3.5-8-9-10140×5-6-7-12-14-16-20-22480×10-12-18-20-25-30-4045×3.5--8-9146×4.5-6-16-18-20-25-30500×10-16-20-25-34-40-5048×3.5-7-8-9-10152×4.5-6--16-18-20-25-30510×10--16-20-25-34-40-5051×3.57-8-9-10159×4.5-6--14530×-14-16-18-20-30-40<, o:p>56×6-7-8-9-10159×16-22-25-30560-16-20-25-30-40-50-6057×3.5-5-10-12168×814-20-25-30-35580×10-14-16-20-30-40-50-7060×3.5-8-9-12-14180×8-25-30-38-40-45-50600×10-14-18-25-20-30-50-6063×3.5-4.59-10-12-14194×6-20-25-30-40-45-50610×10-14-18-25-20-30-50-60