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John Sabato · 09-04-2008, 09:54 AM

I concur with Ron's assessment of the heat treating being a likely suspect in the manner in which the sideplate takes it's blue differently than the majority of the gun's parts.

I also think that this part receives some very heavy machining operations for it size, weight, and construction and that the heavy machining to size may also alter the surface grain of the steel to where it finishes differently than the rest of the gun.

I was not sure if the sideplate is made from exactly the same alloy as the gun either...

Gerben, does the documentation that you have specify the steel type? and do you have anything on what processes were used to heat treat the various parts for hardening?

09-04-2008, 09:54 AM	#5
John Sabato Lifer Lifetime Forum Patron Join Date: Jun 2002 Location: The Capital of the Free World Posts: 10,150 Thanks: 3,003 Thanked 2,304 Times in 1,096 Posts	I concur with Ron's assessment of the heat treating being a likely suspect in the manner in which the sideplate takes it's blue differently than the majority of the gun's parts. I also think that this part receives some very heavy machining operations for it size, weight, and construction and that the heavy machining to size may also alter the surface grain of the steel to where it finishes differently than the rest of the gun. I was not sure if the sideplate is made from exactly the same alloy as the gun either... Gerben, does the documentation that you have specify the steel type? and do you have anything on what processes were used to heat treat the various parts for hardening? __________________ regards, -John S "...We hold these truths to be self-evident that ALL men are created EQUAL *and are endowed by their Creator* with certain UNALIENABLE* rights, and among these are life, LIBERTY, and the pursuit of happiness..."*