chromium zircomium cuivre alliage c18141/c18150/c18400
material
copper
standard
astm, aisi, jis, din, gb, en
grade
c10100, c10200, c10300, c10400, c10500, c10700 , C10800, C10910, C10920, C10930,
c11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, C12500...