ALLOY HAVING HIGH CORROSION RESISTANCE IN ENVIRONMENT OF HIGH CORROSIVENESS, STEEL PIPE OF THE SAME ALLOY AND METHOD OF MANUFACTURING THE SAME STEEL PIPE

Title:

ALLOY HAVING HIGH CORROSION RESISTANCE IN ENVIRONMENT OF HIGH CORROSIVENESS, STEEL PIPE OF THE SAME ALLOY AND METHOD OF MANUFACTURING THE SAME STEEL PIPE

Document Type and Number:

WIPO Patent Application WO/1997/039153

Kind Code:

A1

Abstract:

An alloy of a high corrosion resistance used for a steel pipe for a boiler in equipment in which a fossil fuel or waste matter is burnt to generate energy, a steel pipe using this alloy, and a method of manufacturing the same steel pipe are provided. An alloy comprising not more than 0.05% of C, 1.0-2.6% of Si, 0.02-1.0% of Mn, 20.0-28.0% of Cr, 18.0-30.0% of Ni, not more than 4.0% of Mo, not more than 0.05% of Al, 0.05-0.30% of N, and the rest comprising Fe and unavoidable impurities. A double-layer steel pipe comprising a steel pipe for a standardized boiler as a base layer member, and this alloy as a material for a liner member; and a method of manufacturing the same steel pipe.

Inventors:

ISHITSUKA TETSUO (JP)
NOSE KOICHI (JP)

Application Number:

PCT/JP1997/001302

Publication Date:

October 23, 1997

Filing Date:

April 15, 1997

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NIPPON STEEL CORP (JP)
ISHITSUKA TETSUO (JP)
NOSE KOICHI (JP)

International Classes:

B22F7/08; B32B1/08; B32B15/01; C21D8/10; C22C30/00; C22C33/02; C22C38/00; C22C38/40; C22C38/44; C22C38/48; (IPC1-7): C21D8/10; B32B1/08; C22C38/00

Foreign References:

JPH04350149A	1992-12-04
JPH07243007A	1995-09-19

Other References: