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Stainless Steel 301 1/2 Hard (AMS 5518)

Technical Data Sheet

Grade 301 is a 17% Chromium / 7% Nickel austenitic stainless steel. It is supplied in a range of different conditions/tempers depending on the level of strength required. It has good resistance to atmosphere corrosion and its bright attractive surface make it an excellent choice for decorative structural applications.

Resistance to Corrosion & Oxidation
Grade 301 has good resistance to oxidation at temperatures up to 1550°F, but is not recommend for use above 1600°F. 301 is resistance to a variety of corrosive media. However, it's corrosion resistance properties are not as good as the 18-8 chromium-nickel steels and its susceptibility to carbide precipitation during welding restricts its use in many applications in favour of 304/304L alloy. The mechanical properties for the different tempers of 301 are obtained by cold working and not by heat treating. 301 1/2 Hard (AMS 5518) material has a miniumum tensile strength of 150ksi and is used in the fabrication of parts that require strength and involves moderate drawing or forming.

Chemical Composition Limits
Weight%	C	Si	Mn	P + S max	Cr	Ni	Cu	Mo	Fe
AMS 5518 301 1/2 Hard	0.15 max	1.00 max	2.0 max	0.040 P 0.030 S	16-18	6-8	0.75 max	0.75 max	Bal

Typical Mechanical Properties

Condition	Tensile Strength Min		0.2% Yield Strength Min		Elongation % in 2" (50.8mm)	Hardness HRC
Condition	Ksi	MPa	Ksi	MPa	Elongation % in 2" (50.8mm)	Hardness HRC
AMS 5901 301 Annealed	75	515	30	205	40	92 HRB
AMS 5517 301 1/4 Hard	125	862	75	517	25	25
AMS 5518 301 1/2 Hard	150	1,034	110	758	18	32
AMS 5902 301 3/4 Hard	175	1,207	125	931	12	37
AMS 5519 301 Full Hard	185	1,276	140	965	9	41

Availability
Availability: 301 1/2 Hard is available in sheet and strip. View stock list for further information (Foil Stock List, Sheet Stock List, Plate Stock List.) for all availability contact Sales.

Related Specifications
AMS 5901 301 Annealed Stainless Steel sheet and strip, cold rolled, 75ksi min (MIL-S-5059)
AMS 5517 301 1/4 Hard Stainless Steel sheet and strip, cold rolled, 125ksi min (MIL-S-5059)
AMS 5902 301 3/4 Hard Stainless Steel sheet and strip, cold rolled, 175ksi min (MIL-S-5059)
AMS 5519 301 Full Hard Stainless Steel sheet and strip, cold rolled, 185ksi min (MIL-S-5059)
UNS S30100

For more information about Alloy 301 for use in medical applications, visit our medical division at www.ammedicalalloys.com

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.