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[TowerTalk] 4130 Chrome-Moly Grades

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Subject: [TowerTalk] 4130 Chrome-Moly Grades
From: "Ron Hylton" <>
Date: Thu, 13 Jul 2006 00:15:05 -0700
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Here in the Portland metro area, we have an excellent source of tubing from
a company called Tube Service.  They offer several grades of 4130 alloy
Chrome-Moly tube, including:

4130 Airframe (Cond. N)     Specs:  Mil-T-6736, AMS 6360
4130 Aircraft (CDSR)     Specs:  AMS-6371
4130 Commercial     Specs:  ASTM A-519

My question is, which grade is typically used for masts?

Ron  AD7L
Hillsboro, Oregon


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