【英文标准名称】:StandardTestMethodsforChemicalAnalysisofChromiumandFerrochromium
【原文标准名称】:铬和铬铁合金的化学分析试验方法
【标准号】:ASTME363-2009
【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】:arsenic;chemicalanalysis;chromium;ferrochromium;lead;Chemicalanalysis--metals/alloys;Chromium;Chromiumcontent--metals/alloys;Ferroalloys;Ferrochromium
【摘要】:ThesetestmethodsforthechemicalanalysisofmetalsandalloysareprimarilyintendedtotestsuchmaterialsforcompliancewithcompositionalspecificationssuchasSpecificationA101andA481.Itisassumedthatallwhousethesetestmethodswillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthatworkwillbeperformedinaproperlyequippedlaboratory.1.1Thesetestmethodscoverthechemicalanalysisofchromiumandferrochromiumhavingchemicalcompositionswithinthefollowinglimits:
Element
Concentration,%
Aluminum
0.25max
Antimony
0.005max
Arsenic
0.005max
Bismuth
0.005max
Boron
0.005max
Carbon
9.00max
Chromium
51.0to99.5
Cobalt
0.10max
Columbium
0.05max
Copper
0.05max
Lead
0.005max
Manganese
0.75max
Molybdenum
0.05max
Nickel
0.50max
Nitrogen
6.00max
Phosphorus
0.03max
Silicon
12.00max
Silver
0.005max
Sulfur
0.07max
Tantalum
0.05max
Tin
0.005max
Titanium
0.50max