    <SEC-DOCUMENT>0000090168-23-000079-index.html : 20240102
    <SEC-HEADER>0000090168-23-000079.hdr.sgml : 20240102
    <ACCEPTANCE-DATETIME>20231229174020
    ACCESSION NUMBER:		0000090168-23-000079
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20230930
    FILED AS OF DATE:		20240102
    DATE AS OF CHANGE:		20231229

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SIFCO INDUSTRIES INC
    		CENTRAL INDEX KEY:			0000090168
    		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT ENGINES & ENGINE PARTS [3724]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				340553950
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-05978
    		FILM NUMBER:		231528793

    	BUSINESS ADDRESS:
    		STREET 1:		970 E 64TH ST
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44103
    		BUSINESS PHONE:		2168818600

    	MAIL ADDRESS:
    		STREET 1:		970 EAST 64TH STREET
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44103

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	STEEL IMPROVEMENT & FORGE CO
    		DATE OF NAME CHANGE:	19690520
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>proxy-2023.htm
    <DESCRIPTION>DEF 14A SIFCO PROXY 2023
    <TEXT>
    Document 1 - file: proxy-2023.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>chart-238065078c664493909.jpg
    <DESCRIPTION>2023 CHART 2
    <TEXT>
    Document 2 - file: chart-238065078c664493909.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>chart-8c00d254e6784057b86.jpg
    <DESCRIPTION>2023 CHART 1
    <TEXT>
    Document 3 - file: chart-8c00d254e6784057b86.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>sifcoindustriesincproxyc001a.jpg
    <DESCRIPTION>2023 PROXY CARD 1
    <TEXT>
    Document 4 - file: sifcoindustriesincproxyc001a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>sifcoindustriesincproxyc002a.jpg
    <DESCRIPTION>2023 PROXY CARD 2
    <TEXT>
    Document 5 - file: sifcoindustriesincproxyc002a.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>