AISI & UNS Stainless Steel Mechanical Characteristics - Yield, Tensile, Hardness

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Note: The chart below gives typical mechanical characteristics for selected properties. For all critical applications, verify to the applicable industry or requisite material / steel standard.

AISI (UNS)	Condition	Tensile Strength (psi)	Yield Strength (psi) @ 0.2 Per Cent	Hardness Rockwell
201 (S20100)	Annealed	115,000	55,000	B90
	1⁄4-hard	125,000 min	75,000 min	C25
	1⁄2-hard	150,000 min	110,000 min	C32
	3⁄4-hard	175,000 min	135,000 min	C37
	Full-hard	185,000 min	140,000 min	C41
202 (S20200)	Annealed	105,000	55,000	B90
202 (S20200)	1⁄4-hard	125,000 min	75,000 min	C27
301 (S30100)	Annealed	110,000	40,000	B85
	1⁄4-hard	125,000 min	75,000 min	C25
	1⁄2-hard	150,000 min	110,000 min	C32
	3⁄4-hard	175,000 min	135,000 min	C37
	Full-hard	185,000	140,000 min	C41
302 (S30200)	Annealed	90,000	37,000	B82
	1 ⁄4-hard (sheet, strip)	125,000 min	75,000 min	C25
	Cold-drawn (bar, wire)	To 350,000	-	-
302B (S30215)	Annealed	95,000	40,000	B85
303 (S30300) 303 (Se) (S30323)	Annealed	90,000	35,000	B84
304 (S30400)	Annealed	85,000	35,000	B80
304L (S30403)	Annealed	80,000	30,000	B76
305 (S30500)	Annealed	85,000	37,000	B82
308 (S30800)	Annealed	85,000	35,000	B80
309 (S30900) 309S (S30908)	Annealed	90,000	40,000	B85
310 (S31000) 310S (S314008)	Annealed	95,000	40,000	B87
314 (S31400)	Annealed	100,000	50,000	B87
316 (S31600)	Annealed	85,000	35,000	B80
316 (S31600)	Cold-drawn (bar, wire)	To 300,000	-	-
316L (S31603)	Annealed	78,000	30,000	B76
317 (S31700)	Annealed	90,000	40,000	B85
321 (S32100)	Annealed	87,000	35,000	B80
347 (S34700) 348 (S34800)	Annealed	92,000	35,000	B84