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Practical Data for Metallurgists - Timken

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JAPANESE INDUSTRIAL STANDARDS<br />

HIGH CARBON CHROMIUM BEARING STEELS<br />

JIS G 4805<br />

Chemical Composition, %<br />

Symbol C Si Mn P S Cr Mo<br />

SUJ 1 .95/1.10 .15/.35 .50 max .025 max .025 max .90/1.20 ..............<br />

SUJ 2 .95/1.10 .15/.35 .50 max .025 max .025 max 1.30/1.60 ..............<br />

SUJ 3 .95/1.10 .40/.70 .90/1.15 .025 max .025 max .90/1.20 ..............<br />

SUJ 4 .95/1.10 .15/.35 .50 max .025 max .025 max 1.30/1.60 .10/.25<br />

SUJ 5 .95/1.10 .40/.70 .90/1.15 .025 max .025 max .90/1.20 .10/.25<br />

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