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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LrsgWSR99PRury1kwkeWCzXLyxLmrt11tOGchU2VLTGxQrmZqwQ7yRsiVP/I6xib
 knbfdt7n94CY4xLM0C9UAg==

<SEC-DOCUMENT>0000018172-03-000053.txt : 20031106
<SEC-HEADER>0000018172-03-000053.hdr.sgml : 20031106
<ACCEPTANCE-DATETIME>20031106162446
ACCESSION NUMBER:		0000018172-03-000053
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031023
FILED AS OF DATE:		20031106

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASTLE A M & CO
		CENTRAL INDEX KEY:			0000018172
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-METALS SERVICE CENTERS & OFFICES [5051]
		IRS NUMBER:				360879160
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3400 N WOLF RD
		CITY:			FRANKLIN PARK
		STATE:			IL
		ZIP:			60131
		BUSINESS PHONE:		7084557111

	MAIL ADDRESS:	
		STREET 1:		3400 N WOLF RD
		CITY:			FRANKLIN PARK
		STATE:			IL
		ZIP:			60131

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOIK LAWRENCE A
		CENTRAL INDEX KEY:			0001269366

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05415
		FILM NUMBER:		03982620

	BUSINESS ADDRESS:	
		STREET 1:		C/O A.M. CASTLE & CO
		STREET 2:		3400 N. WOLF RD
		CITY:			FRANKLIN PARK
		STATE:			IL
		ZIP:			60131
		BUSINESS PHONE:		6309044439

	MAIL ADDRESS:	
		STREET 1:		3527 VANILLA GRASS DR
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60564
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>c0001269366d20031106f3f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>3</documentType><periodOfReport>2003-10-23</periodOfReport><noSecuritiesOwned>0</noSecuritiesOwned><issuer><issuerCik>0000018172</issuerCik><issuerName>CASTLE A M &amp; CO</issuerName>        <issuerTradingSymbol>CAS</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001269366</rptOwnerCik><rptOwnerName>BOIK LAWRENCE A</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>3400 NORTH WOLF ROAD</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>FRANKLIN PARK</rptOwnerCity><rptOwnerState>IL</rptOwnerState><rptOwnerZipCode>60131</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Vice President</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivative
Table></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>5.21</value></conversionOrExercisePrice><exerciseDate><value>2004-10-23</value></exerciseDate><expirationDate><value>2013-10-23</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes></footnotes><ownerSignature><signatureName>Lawrence A. Boik</signatureName><signatureDate>2003-11-06</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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