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Author: gearloose
Time: 09/28/07 07:46 PST
This is a reply to message no. 19125 by kibhav
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Current Topic:
Steel Grade

Hello Kibhav!

 

The composition of steel alloy 4317, as listed in J1249 (Former SAE Standard Steels) is .15 to .20 Carbon,  .45 to .65 Manganese,  .040 maximum for both Phosphorus and Sulfur,  .20 to .35 Silicon,  .40 to .60 Chromium, 1.65 to 2.00 Nickel, and .20 to .30 Molybdenum.  Then if you’re putting the B in the middle, you’re saying it’s a boron steel: so it also has .0005 to .003 Boron in it.

 
All percentages are weight percent, balance is iron.
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