济南Ductile iron accessories

随着经济的发展进步，我公司生产的Ductile iron accessories产品也在更新换代，其规格如下：

Featuresofductileironfittings:ithasthenatureofiron，钢的性能，优异的性能，powerfulextensionandeasyinstallation.itismainlyusedforwatersupplyandgastransmissioninmunicipalindustrialandminingenterprises.

theessenceofnodularironfittingsisnodularironcastings.becausenodularironcastingshavethenatureofironandthepropertiesofsteel,theyarecalledso.graphiteinductileironcastingsexistsinsphericalshape,andthesizeofgraphiteisgenerally6-7grade.qualityrequirementsofcastironpipespheroidizationgradecontrolfor1-3,spheroidizationrate≥80%,sothemechanicalpropertiesofthematerialitselfbythebetteractualeffect,withthenatureofiron,steelproperties.afterannealing,themetallographicstructureofductileironcastingisferriteplusasmallamountofpearlite,whichhasgoodmechanicalproperties,soitisalsocalledcastironpipe.

Ductileironfittingsisakindofcastironpipe.qualityrequirementsofcastironpipespheroidizationgradecontrolfor1-3(球化率>80%)，sothemechanicalpropertiesofthematerialitself)

Ithasthenatureofironandthepropertiesofsteel.themetallographicstructureoftheannealedductileironcastingisferritewithasmallamountofpearlite.ithasgoodmechanicalproperties，稳定性能，优良性能，强扩展，goodsealingeffectandeasyinstallation.itismainlyusedforwatersupply，gasandoiltransportationinmunicipalandindustrialenterprises.

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