AUSTENITIC STAINLESS STEEL SHEET FOR GASKET AND THE GASKET

Title:

AUSTENITIC STAINLESS STEEL SHEET FOR GASKET AND THE GASKET

Document Type and Number:

Japanese Patent JP2015196889

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a heat-resistant metal gasket which is adjusted to a strength level (room temperature hardness) easy to be worked and has excellent gas leak resistance.SOLUTION: There is provided an austenitic stainless steel sheet for a metal gasket, which has a chemical composition containing, by mass%, C:0.015 to 0.200%, Si:1.50 to 5.00%, Mn:0.30 to 2.50%, Ni:7.0 to 17.0%, Cr:13.0 to 23.0%, N:0.005 to 0.250% and one or more kinds of Mo, Cu, Nb, Ti, V, Zr, W, Co, B, Al, REM (rare earth elements excluding Y), Y, Ca, Mg when necessary, and the balance Fe with inevitable impurities, and has room temperature hardness of 430 HV or less, half width of an austenite crystal (311) face peak in an X-ray diffraction pattern of a cross section vertical to a sheet thick direction of 0.10 to 1.60°, and surface roughness Ra of 0.30 μm or less.

More Like This:

JP3728924	BONDED MAGNET, MANUFACTURE OF BONDED MAGNET AND MOTOR
JP4932363	High-strength alloyed hot-dip galvanized steel sheet and its manufacturing method
JPH08127847	PARTS EXCELLENT IN SILENTNESS AND PRODUCTION THEREOF

Inventors:

KUMANO NAOHITO
IMAGAWA KAZUNARI
OKU MANABU

Application Number:

JP2014076264A

Publication Date:

November 09, 2015

Filing Date:

April 02, 2014

Export Citation:

Click for automatic bibliography generation Help