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FLIER(at)sbcglobal.net
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 Posted: Sun Feb 12, 2006 2:50 pm Post subject: WELDING 4130 |
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A mark from a 900F Tempilstik about 1" away from the
area being normalized will turn to liquid when the
zone is at 900F or simply stroke the zone and see if
it's at temperature.
Regards,
Ted
--- Original Message ---
From: "Don Pearsall" <donpearsall(at)comcast.net>
To: <kitfox-list(at)matronics.com>
Subject: RE: WELDING 4130
| Quote: |
<donpearsall(at)comcast.net>
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| Quote: |
Eric, I was just looking at a temperature chart from
my book "How to weld
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| Quote: | damn near anything", and the annealing temperature
for steel is 1700f, with
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[quote]a color of orange. Here are the rest of the colors:
1000f - Faint red - Nitriding
1100f - Blood Red - Stress Relieving
1300- 1500f - Cherry Red - Atomic Changes
1600f - Salmon - Normalizing
1700f - Orange - Annealing
2000f - Bright Yellow Magnetism lost
2100-2500f - White - Forging
2600-2900f - Steel Melts
Don Pearsall
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Mark.Summers(at)lwbref.co
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| Posted: Sun Feb 12, 2006 5:14 pm Post subject: WELDING 4130 |
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I havent really figured that out yet, but I at this point I don't plan on
doing any extensive heating. My biggest concern is avoiding rapid cooling
and getting brittleness from that.
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