Document and Entity Information	6 Months Ended
	Sep. 30, 2014
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Trading Symbol	FRD
Entity Registrant Name	FRIEDMAN INDUSTRIES INC
Entity Central Index Key	0000039092
Current Fiscal Year End Date	--03-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding	6,799,444