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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Lothar Walther vs Krieger barrels
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<blockquote data-quote="Extremist458" data-source="post: 1228143" data-attributes="member: 10561"><p>The difference, by designation, between 410 and 420 is .15% max carbon to .15% minimum. Really. Some companies will reduce the nickle, most keep it the same. Some add .5% Molybdenum, some don't. But really it's the source that matters most. If they get it from BU, it's **** fine steel. Still, the difference is less then 10% gain in tensile strength and yield strength. Hardness is maybe a half to 1 point HRC difference. That again wouldn't add up to much (1/3 of 1%). So the only real difference is the Sulfur.</p><p></p><p>P.S. It is not 420HC. Even if the Carbon was at max of .4%, at the hardness (temper) barrels are subject to, it would be less then 10% difference in all properties.</p></blockquote><p></p>
[QUOTE="Extremist458, post: 1228143, member: 10561"] The difference, by designation, between 410 and 420 is .15% max carbon to .15% minimum. Really. Some companies will reduce the nickle, most keep it the same. Some add .5% Molybdenum, some don't. But really it's the source that matters most. If they get it from BU, it's **** fine steel. Still, the difference is less then 10% gain in tensile strength and yield strength. Hardness is maybe a half to 1 point HRC difference. That again wouldn't add up to much (1/3 of 1%). So the only real difference is the Sulfur. P.S. It is not 420HC. Even if the Carbon was at max of .4%, at the hardness (temper) barrels are subject to, it would be less then 10% difference in all properties. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Lothar Walther vs Krieger barrels
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