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Stainless Steel 455/ Custom 455 (AMS 5617)

Technical Data Sheet

Alloy 455 is a martensitic age hardenable stainless steel, which has properties of high strength and good corrosion resistance. Alloy 455 is relatively soft and formable in the annealed condition, however through a single-stage aging treatment alloy 455 develops an exceptionally high yield strength with good ductility and toughness.

Chemical Composition Limits

Weight%

Cb + Ta

Alloy 455

0.05 max

0.040 max

0.50 max

7.5-9.5

1.5-2.5

0.10-0.50

0.50 max

0.030 max

11.0-12.5

0.50 max

0.80-1.4

Bal

Typical Mechanical Properties

Material	Condition	0.2 % Yield Strength (Mpa)	Ultimate Tensile Strength (Mpa)	Notch Tensile Strength	% Elongation in 4D	% Reduction of Area	Rockwell C Hardness	Charpy V Notch Impact Strength (ft-lbs)
Alloy 455 Bar 1" Section Custom 455®	A	793	1000	1585	14	60	31	70
Alloy 455 Bar 1" Section Custom 455®	H900	1689	1724	1792	10	45	49	9
Alloy 455 Bar 1" Section Custom 455®	H950	1551	1620	2068	12	50	48	14
Alloy 455 Bar 1" Section Custom 455®	H1000	1379	1448	2000	14	55	45	20
Alloy 455 Bar 1" Section Custom 455®	H1050	1207	1310	1793	15	55	40	35

Availability
Alloy 455 is available as Bar (Round, Flat, Square, Shapes), Sheet, Plate, Wire, Strip, Billet, Forgings. For all stock availability contact Sales.

Specifications
AMS 5578 Welded tube
AMS 5617 Gr 1 Bar
AMS 5617 Gr 2 Bar
AMS 5860 Sheet / strip / plate
MIL-S-83311
ASTM A564 / ASME SB564
ASTM A693 Grade XM16
HMS 6 1093 Rev G
UNS 45500

For more information about Custom 455 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.