weld 1100 - shielded metal arc welding - College of Eastern Utah
weld 1100 - shielded metal arc welding - College of Eastern Utah
weld 1100 - shielded metal arc welding - College of Eastern Utah
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The Primary Effects <strong>of</strong> Common Alloying Elements<br />
in Carbon Steel:<br />
Carbon (C)- Increases strength, hardness and cracking tendency.<br />
Chromium (Cr)- Increases corrosion resistance and hardenability.<br />
Manganese (Mn)- Improves strength and hardenability, deoxidizes.<br />
Aluminum (Al), Silicon (Si) & Titanium (Ti)- Serve as a deoxidizers.<br />
Nickel (Ni)- Improves toughness while mildly increasing strength!<br />
Molybdenum (Mo)- Improves stength at elevated temperatures,<br />
increases hardenability.<br />
Sulfur (S), Selenium (Se), Lead (Pb) and Phosphorus (P) - Are not<br />
intentionally added to <strong>weld</strong> <strong>metal</strong> or steel intended for <strong>weld</strong>ing. The<br />
elements may be present as impurities and should not be present in<br />
<strong>weld</strong>ments at levels above about 0.04%. These elements are <strong>of</strong>ten<br />
intentionally added to improve machinabilty in “free machining steels”.
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