Transcription of Technical Data BLUE SHEET - METSERVE
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Technical Data BLUE SHEET - METSERVE
Allegheny Ludlum Corporation Pittsburgh, PABLUE SHEETT echnical DataMartensiticStainless SteelsTypes 410, 420,425 Mod, and 440 AData are typical and should not be construed as maximum or minimum valuesfor specification or for final design. data on any particular piece of material mayvary from those shown PROPERTIESA llegheny Ludlum types 410, 420, 425 Modified, and440A (see composition on Page 2) are hardenable,straight-chromium stainless steels which combinesuperior wear resistance of high carbon alloys with theexcellent corrosion resistance of chromium stainlesssteels. Oil quenching these alloys from temperaturesbetween 1800 F to 1950 F (982-1066 C) producesthe highest strength and/or wear resistance as well ascorrosion resistance. A range of as-quenchedhardnesses is achieved in these alloys by varying thecarbon level from .15% maximum in Type 410 to . in Type alloys are used where strength, hardness, and/or wear resistance must be combined with major use for these grades of heat treatable stain-less steels is in cutlery.
Allegheny Ludlum Corporation Pittsburgh, PA BLUE SHEET Technical Data Martensitic Stainless Steels Types 410, 420, 425 Mod, and 440A Data are typical and should not be construed as maximum or minimum values
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