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420 STAINLESS

420 Stainless Steel

420 is a highly-refined, mold quality stainless steel that is engineered to exhibit excellent polishability, good corrosion resistance and good wear resistance. Special melting and forging practices result in ultra-high microcleanliness and a homogeneous microstructure.

420 is a superior material for the manufacture of plastic molds that require high hardness for good parting line retention and sealing between colored resins. It also resists attack from the corrosive vapors that are produced during molding of some plastic resins. The high cleanliness and homogenity makes 420 a superb choice for mold cavities that require photoetching/texturizing or the highest, lens-quality polished finishes.

Analysis:


C

CO

CR

MN

MO

NI

P

S

SI

V

W
0.15 Min.12.00 – 14.501.00 Max.1.00 Max.0.30

Applications:

Ball BearingsCamsCutlery
GaugesPlastic Extrusion DiesPlastic Mold Cavities
ShaftsSurgical and Dental InstrumentsValves

Data is typical and should not be construed as actual values for any category.
Applications and technical information require engineers and tool designers to exercise independent judgement.
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