Wolframdraht

1,dimensions and size diameter(mm)weight(mg)diameter tolerance200mm weight tolerance%diameter tolerance(%)--0grade1grade2grade1grade2grade0.010<d≤0.0180.30-0.98-±3.0±4.0--0.018<d≤0.0400.98-4.85±2.0±2.5±3.0--0.040<d≤0.0804.85-19.39±1.5±2.0±2.5--0.080<d≤0.3019.39-272.71±1.0±1.5±2.0--0.30<d≤0.35272.71-371.19-±1.0±1.5--0.35<d≤0.50----±1.5±2.00.50<d≤1.80----±1.0±1.51.80<d≤3.00±1.0±1.0 2,physical and chemical properties element(%)WKFeMoother element≥99.950.004-0.010≤0.0020≤0.0030≤0.0010 3.applications Tungsten wire is used for illumination, heating materials in high temperature furnace, Non-radioactive welding electrode, contact material and so on.