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MoldStar 21

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Journal Articles
Alloy Digest (2005) 54 (4): Cu-733.
Published: 01 April 2005
... MoldStar 18 has good bearing qualities and has resistance to wear, abrasion, fatigue, deformation, and corrosion. MoldStar 21 and 22 are harder alloys and also have good bearing qualities and resistance to wear, abrasion, fatigue, deformation, and corrosion. This family of aluminum bronzes is used...
Journal Articles
Alloy Digest (2005) 54 (3): Cu-732.
Published: 01 March 2005
.../(ft h °F) MoldStar 90 156 90 moldMAX 2% Beryllium 104 60 Aluminum 156 90 S7 tool steel 36 21 P20 tools steel 35 20 H13 tool steel 29 17 Table 2 Machining Recommendations Speed, sfm Feed, fpr Feed, fpr/tooth Turning and boring Roughing, C-1 carbide. 1/4 in. cut 300 0.009 Semifinishing, C-1...