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Cast Stainless Steel CA40 |
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Type CA40 is an iron-chromium alloy similar to type CA15, but its higher carbon content permits hardening this grade to a maximum of about 500 BHN. Corrosion resistance and other characteristics are about the same as for the lower carbon CA15 alloy.
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A743 CA40, UNS J91153, AISI 420, DIN 1.4028 X30Cr13 |
Equivalent Grades |
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1500 |
Melting Point(oC) |
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Annealing at 840 to 900°C and slowly furnace cooled Hardening by heating to 980 to 1010°C and cooling in oil or air. Castings should be tempered 600 to 820°C) |
Heat Treatment |
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185-500 |
Hardness (HB) |
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410 or 420 |
Welding Electrode |
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200 - 320 |
Welding Preheating(oC) |
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Gas Porosity-Crack |
Common Possible Casting Defects |
