Corrosionresistancechromium-bearingferriticsteelGM6125
耐腐蚀铬轴承铁素体钢共3页第1页
1.Scope.thisspecificationdefinescorrosion-resistantchromium-bearingferriticsteelforuseprimarilyin
catalyticconvertersandextended-lifeautomotiveexhaustsystems.
1.范围.本标准定义了耐腐蚀铬轴承铁素体钢主要在转换器和汽车耐久型排气系统的使用.
2.referencedstandards参考标准
GM1000MASTME8
3.requirements要求
3.1restrictedandreportablechemicals(GM1000M).allmaterialssuppliedtothisspecificationmust
complywiththerequirementslistedinGM10000M,restrictedandreportablechemicals.
3.1限制和可报告物质(GM1000M).所有按本标准提供的材料必须满足GM10000M中限制和可报告
物质的要求.
4.Compostion.materialsuppliedtothisspecificationshallconformtothefollowingchemical
composition(percentbymassladleanalysis)
4.成分.按本标准供应的材料应满足以下材料组成(取样分析总量百分比)
Carbon碳……………0.030max
Manganese锰………..1.00max
Silicon硅…………….1.00max
Sulfur硫………………0.020max
Phosphorus磷………….0.040max
Chromium铬……………10.5到11.75
Nickel镍………0.50max
Nitrogen氮…………………….0.030max
Stabilizationratiotitaniumand/orcolumbium钛/铌稳定剂比例
Ti…………………≥8×(C+N);0.08mindualstabilized(双重稳定)
Ti………………..≥0.08+8×(C+N)
Thedualstabilizedmaterialmaybesubstitutedforthetitaniumstablilizedmaterialat
theoptionofthesupplier.ThedualstabilizedmaterialwillbeidentifiedasGM6125MDS.
制造商可以自主选者双重稳定材料或钛稳定材料.双重稳定材料见GM6125MDS.
5.Mechanicalproperties.Shallconformtothefollowing(testedaccordingtoASTME8).Seetable1.
5.机械性能.遵照以下(根据ASTME8标准实验),见表1.
表1
Properties性能Sheetandstrip片材,条材Bar,rodandwire线材,条材
Yieldstrengthmin最小屈服强度380MPaSuitableforcoldheadingandforming
Yieldstrengthmax