Gun barrel, mandrel and related processes

Details Gun barrel, mandrel and related processes Gun barrel, mandrel and related processes

1986-03-24

1986-11-11

Stallard, Wayland

Metal treatment

Compositions

Heat treating

148 124, C21D 912

Patent

active

046220801

ABSTRACT:
A gun barrel which is either smooth or has lands and grooves wherein the grooves are both wider and deeper at the chamber than at the muzzle. A mandrel for producing the gun barrel. Processes for producing the gun barrel including steps of heating, quenching, and tempering with optional use of chromizing, vacuum, and noble gases.

REFERENCES:
patent: 2799959 (1957-07-01), Osborn
patent: 2916409 (1959-12-01), Bucek
patent: 3017793 (1962-01-01), Appel
patent: 3382556 (1968-05-01), Maillard
patent: 3538568 (1970-11-01), Hilton
patent: 3753365 (1973-08-01), Kralowetz
patent: 3780465 (1973-12-01), Polcha
Merriman, A. D.; A Dictionary of Metallurgy; MacDonald & Evans, Ltd.; London 1958.

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