Duplex stainless steel seamless pipe and a method for producing

Details Duplex stainless steel seamless pipe and a method for producing Duplex stainless steel seamless pipe and a method for producing

1984-11-30

1986-08-12

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

148 12E, 148 12EA, B21B 302

Patent

active

046048871

ABSTRACT:
A duplex stainless steel seamless pipe can be inexpensively produced in high productivity and yield without causing cracks during the working steps in the plug mill process by a proper combination of the composition of the steel and the working conditions of a billet and a hollow piece for the production of the pipe.

REFERENCES:
patent: 2264455 (1941-12-01), Peck
patent: 2274579 (1942-02-01), Bannister et al.
patent: 3689325 (1972-09-01), Hayden, Jr. et al.

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