Reference Systems
8.3.2	Mechanical Properties of Materials

Carbon Steel

Grade Designation	Nominal Size (in.)	Min. Yield Strength ksi (MPa)	Min. Ultimate Strength ksi (MPa)
ASTM A36	All	36 (248)	58 ( 400)
ASTM A193, B7	1/4 thru 21/2	105 (724)	125 ( 862)
AISI 1038 (As Rec'd)	1/4 to 11/4	41 (282)	75 ( 517)
AISI 11L41	over 5/8 thru 1	75 (517)	90 ( 620)
AISI 1110 M (As Rec'd)	1/4 to 5/8	44 (303)	53 ( 365)
AISI 12L14	5/8 thru 11/2	60 (414)	78 ( 538)
AISI 1010 (As Rec'd)	1/4 thru 3/4	44 (303)	53 ( 365)
ASTM A307	1/4 to 4	--	60 ( 414)
ASTM A325	1/2 thru 1 over 1 thru 11/2	92 (634) 81 (558)	120 ( 827) 105 ( 724)
ASTM A449	1/4 thru 1 over 1 thru 11/2	92 (634) 81 (558)	120 ( 827) 105 ( 724)
SAE Grade 2	1/4 thru 3/4 over 3/4 to 11/2	57 (393) 36 (248)	74 ( 510) 60 ( 414)
SAE Grade 5	1/4 thru 1 over 1 to 11/2	92 (634) 81 (558)	120 ( 827) 105 ( 724)
SAE Grade 8	1/4 thru 11/2	130 (896)	150 (1034)

Stainless Steel

Grade Designation ASTM/AISI	Nominal Size (in.)	Yield Strength ksi (MPa)	Ultimate Strength ksi (MPa)
F593 / 304	1/4 thru 5/8 3/4 thru 11/2	65 (448) 45 (310)	100 (689) 85 (586)
A276 / 304	1/4 thru 9/16 over 9/16	76 (524) 64 (441)	90 (620)  76 (524)
A276 / 316	1/4 thru 9/16 over 9/16	76 (524) 64 (441)	90 (620)  76 (524)
A493 / 304	All	60 (414)	100 (689)
A582 / 303	All	60 (414)	100 (689)

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