MECHANICAL PROPERTIES -

ASTM Specification Number	Grade Symbol	Tensile Strength	Yield Strength	Elongation	Reductio of Area	Brinell Hardness Number
ASTM Specification Number	Grade Symbol	PSI	PSI	%	%	Brinell Hardness Number
			(min.)	(min.)	(min.)
A181	Class 60 Class 70	60,000 min 70,000 min	30000 36000	22 18	35 24
(3) A105	---	70,000 min	36000	22	30	187 (max.)
(4) (5) A350	LF1 LF2 LF3	60,000 - 80,000 70,000 - 95,000 70,000 - 95,000	30,000 36,000 37,500	25 22 22	38 30 35
(6) A182 (Ferritic Steel)	F1 F2 F5 F5a F9 F11 F12 F21 F22	70,000 min 70,000 min 70,000 min 90,000 min 85,000 min 70,000 min 75,000 min 75,000 min 75,000 min	40, 000 40,000 40,000 65,000 55,000 40,000 40,000 45,000 45,000	25 20 20 22 20 20 20 20 20	35 30 35 50 40 30 30 30 30	143 -192 143 - 192 143-217 187 - 248 179 - 217 143 - 207 143 - 207 156 - 207 156 - 207
A182 (Austenitic Steel) )	F304 F304H F304L F310 F316 F316H F316L F321 F347 F348	75,000 min 75,000 min 70,000 min 75,000 min 75,000 min 75,000 min 70,000 min 75,000 min 75,000 min 75,000 min	30000 30000 25000 30000 30000 30000 25000 30000 30000 30000	30 30 30 30 30 30 30 30 30 30	50 50 50 50 50 50 50 50 50 50