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MILL SPARE PART

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MILL SPARE PART

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Product description

Spool Mateials	Instructions
ZG340-640	lower plasticity and tenacity; poor resistance to high temperature and very low purchasing cost
35CrMo	high strength, tenacity and harden-ability; normal resistance to high temperature and low purchasing cost
35CrMoV	slightly better performances than those of 35CrMo and economic purchasing cost, which can satisfy general operational
34CrNiMoV	higher strength and tenacity; good resistance to high temperature and higher purchasing cost

Spool Process flow:

Centrifugal casting operation → blank molding (numbered) → normalizing and tempering → rough processing → quenching and high temperature tempering → bore finishing → end face, taper and cylindrical processing subjected to the bore → dynamic balance test and weight adjustment → keyway processing → final inspection → packing and delive