Composite hardfacing of air hardening steel and particles of tun

Details Composite hardfacing of air hardening steel and particles of tun Composite hardfacing of air hardening steel and particles of tun

1975-04-25

1976-11-02

Satterfield, Walter R.

Pipe joints or couplings

Particular interface

Tapered

291828, 29195, 75126C, 148 34, 148 315, 175374, C22B 3804, E21C 1300

Patent

active

039895548

ABSTRACT:
A metallurgical composition especially suitable for use as a hardfacing to increase the wear resistance of manufactured articles, such as for example tool joints used in earth drilling operations. This composition has cemented tungsten carbide particles dispersed in a matrix of air hardening alloy steel. Included in the alloy steel are carbon, chromium, molybdenum and vanadium. For weldability, manganese and silicon are added. Also disclosed are suitable ranges of proportions of constituents.

REFERENCES:
patent: 1496979 (1924-06-01), Corning
patent: 3092491 (1963-06-01), Payson et al.
patent: 3215510 (1965-11-01), Kelly et al.
patent: 3260579 (1966-07-01), Scales et al.
patent: 3380861 (1968-04-01), Frehn
patent: 3819364 (1974-06-01), Frehn

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