DIN 17658:1973-06
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
12-01-1998
01-12-2013
Applicable to the material properties and composition of sand (shell moulding) castings made from those copper-nickel casting alloys which should preferably be used. The composition of the alloy also applies, subject to agreement, to the manufacture of castings by other casting processes, e.g. precision castings.
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