ASTMA554焊接不锈钢管化学成分

1、ASTMA554-88a/ASMESA554WELDEDSTAINLESSSTEELMECHANICALTUBING(ASTMA554-88a/ASMESA554/ASTMA554-88a/ASME-SA554)ASTMA554-88a/ASMESA554WELDEDSTAINLESSSTEELMECHANICALTUBING(ASTMA554-88a/ASMESA554/ASTMA554-88a/ASME-SA554)焊接不锈钢管机械1.ScopeThisspecificationcoversweldedstainlesssteeltubingformechanicalapplication

2、swhereappearance,mechanicalproperties,orcorrosionresistanceisneeded.ThegradescoveredarelistedinTalbe1.Thisspecificationcoversas-weldedorcold-reducedmechanicaltubinginsizesto16in.(406.4mm)outsidediameter,inclusive(forroundtubing)andinwallthicknesses0.020in.(0.51mm)andover.Tubesshallbefurnishedinoneof

3、thefollowingshapesasspecifiedbythepurchaser:round,square,rectangular,orspecial.Supplementaryrequirementsofanoptionalnatureareprovidedandwhendesiredshallbesostatedintheorder.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Chemicalcomposition1。范围1.1本规范包括焊接不锈钢管的机械应用场合露面，力学性能，耐腐蚀性或是必要的。涵盖的职

4、系中列出Talbe1。1.2本规范涉及的焊接或冷减少机械油管尺寸16英寸(406.4毫米)外径,包容性(圆形管)和管壁厚度0.020in(0.51毫米)及以上。1.3管须提交下列其中一个形状所指明的买主：圆形,正方形,长方形或特殊。1.4补充要求的任择性质提供了理想时,须在该命令。值1.5英寸指出磅的单位被视为标准。化学成分Chemicalcomposition(%)CSiMnPSNiCrMoOthersMT301E,AT0.15Max1.00Max2.00Max0.040Max0.030Max6.08.16.0180.0-MT302E,AT0.15Max1.00Max2.00Max0.040

5、Max0.030Max8.01017.019.0.0-MT304E,AT0.08Max1.00Max2.00Max0.040Max0.030Max8.01118.020.0.0-MT304LE,AT0.035Max1.00Max2.00Max0.040Max0.030Max8.01318.020.0.0-MT305E,AT0.12Max1.00Max2.00Max0.040Max0.030Max10.0117.0193.0.0-MT309SE,AT0.08Max1.00Max2.00Max0.040Max0.030Max12.0122.024-.05.0.0Nb+TMT309SCbE,AT0.

6、08Max1.00Max2.00Ma0.040Max0.030Max12.015.022.024.a:x010iK1.00MT310SE,AT0.08Max1.00Max2.00Max0.040Max0.030Max19.0224.0262.03.02.0.0MT316E,AT0.08Max1.00Max2.00Max0.040Max0.030Max11.0116.0182.03.04.0.0MT316LE,AT0.035Max1.00Max2.00Max0.040Max0.030Max10.015.016.018.02.03.0-MT317E,AT0.08Max1.00Max2.00Max0

7、.040Max0.030Max11.014.018.020.0-MT321E,AT0.08Max1.00Max2.00Max0.040Max0.030Max9.013.017.020.0-Ti:5忆C0.60-Nb+Ta:MT330E,AT0.15Max1.00Max2.00Max0.040Max0.030Max33.036.014.016.010i右C1.00MT347E,AT0.08Max1.00Max2.00Max0.040Max0.030Max9.013.017.020.0-MT429E,AT0.12Max1.00Max1.00Max0.040Max0.030Max0.50Max14.013.0-MT430E,AT0.12Max1.00Max1.