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【英文标准名称】:StandardTestMethodsforChemicalAnalysisofFerroniobium
【原文标准名称】:铌铁化学分析的标准试验方法
【标准号】:ASTME367-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E01.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:chemicalanalysis;ferroniobium;niobium;tantalum;titanium;Chemicalanalysis--metals/alloys;Columbiumcontent--metals/alloys;Ferroalloys;Ferroniobium;Tantalum(Ta)content--metals/alloys;Titaniumcontent--metals/alloys
【摘要】:ThesetestmethodsforthechemicalanalysisofmetalsandalloysareprimarilyintendedtotestsuchmaterialsforcompliancewithcompositionalspecificationssuchasSpecificationA550.Itisassumedthatallwhousethesetestmethodswillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthatworkwillbeperformedinaproperlyequippedlaboratory.1.1Thesetestmethodscoverthechemicalanalysisofferroniobiumhavingchemicalcompositionswithinthefollowinglimits:
Element
Concentration,%

Aluminum
2.00max

Carbon
0.30max

Chromium
2.00max

Cobalt
0.25max

Lead
0.01max

Manganese
3.00max

Niobium
40.00to75.00

Phosphorus
0.05max

Silicon
4.00max

Sulfur
0.03max

Tantalum
7.00max

Tin
0.15max

Titanium
5.00max

Tungsten
0.50max