Looking for Info on 1914 DWM Unit Markings

Marvin · 11-08-2001, 07:20 AM

Hugh,

The "31" you indicate as the surface hardness brought up a question. Do you have any idea what scale the DWM would have used? It sounds like a Rockwell "C" scale number since the steel would be approx. in the "25" range before heat treatment and after heat treat the "31" would sound approriate. It would be interesting to know what type scale they used.

Marvin

11-08-2001, 07:20 AM	#1
Marvin User Join Date: Jun 2002 Location: Upstate S.C. Posts: 1,132 Thanks: 0 Thanked 0 Times in 0 Posts	Re: Barrel Stamp Question Hugh, The "31" you indicate as the surface hardness brought up a question. Do you have any idea what scale the DWM would have used? It sounds like a Rockwell "C" scale number since the steel would be approx. in the "25" range before heat treatment and after heat treat the "31" would sound approriate. It would be interesting to know what type scale they used. Marvin

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