IS 1472-1977

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标准号:IS 1472-1977
发布日期:1977/12/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard lays down the procedure to be followed in collecting and preparing samples representing a lot of ferro-alloys in order to determine the chemical composition of the alloy in the lot.1.2 For the purpose of this standard ferro-alloys have been divided into the following groups:Group I1. Ferrosilicon except FeSi20P15 Grade2. Silico-chromium3. Calcium siliconGroup II1. Spiegeleisen2. Ferrosilicon FeSi20P15 GradeGroup III1. Ferromanganese2. Silicomanganese3. Ferrochromium ( high carbon )4. FerrophosphorousGroup IV1. Ferrochromium (low carbon )Group V1. Ferrovanadium2. Ferrotungsten3. Ferrotitanium4. Ferromolybdenum5. Ferrozirconium6. Ferroboron7. Ferroniobium ( ferrocolumbium )8. FerronickelGroup VI1. Metallic manganese2. Metallic silicon3. Metallic chromium4. Foundry nickel5. Misch metal

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