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Aircraft Stainless Steel Jethete M152 (BS S151/ S159)

Technical Data Sheet

Jethete M152 is a creep and corrosion resistant, hardened and tempered steel with a usual upper temperature limit of 560°C. It combines very good toughness and creep rupture properties making it an excellent alloy for use in highly stressed turbine blades, discs, screws, bolts and rings. Jethete M152 is supplied by Aircraft Materials in both bar form, to British Standards BS S151 and BS S159 and in sheet form to Rolls Royce specifications MSRR 6504 and MSRR 6514. It can also be supplied in mill productions to the US Aerospace specification AMS 5719.

Chemical Composition Limits
Weight%	C	Si	Mn	P+S max	Cr	Mo	Ni	N	V
Jethete M152	0.08-0.13	0.35 max	0.50-0.90	P 0.030 S 0.025	11-12.5	1.50-2.0	2-3	0.02-0.04	0.25-0.40

Jethete M152 is supplied in various different types of heat treatment depending on the specification required. The standard heat treatments for Jethete M152 are as follows:

BS S151 (MSRR 6503)
Softening: 670-720° C for 6 hours followed by air cool - Designated BS S151A
Harden: 1050° C (+/-10) followed by air cool
Temper: 650° C (+/-5) followed by air cool - Designated BS S151D

BS S159
Softening: 680-700° C for 2 hours min followed by air cool - Designated BS S159A
Harden: 1050° C (+/-10) for 30 minutes min followed by air cool
Temper: 560-590° C for 3 hours min followed by air cool - Designated BS S159D
Stress Relieve: Can be performed on hardened and tempered bars if a cold rolling operation has taken place, by holding at 30° C lower than the tempering temperature.

AMS 5719
Anneal: 691° C (+/-11) for 6 hours min followed by air cool
Harden:1052° C (+/-) for 30 mins followed by oil quench
1st Temper: 560-590° C for 1 hour min followed by air cool
2nd Temper: 538-560° C for 3 hours min followed by air cool

Mechanical Properties Comparison

Grade	Treatment	Tensile Strength Mpa	Yield Strength Mpa	Elongation %	Hardness HB	Ruling Section
S151A S151D	Softened Finally Heat Treated	930-1130	780	14	311max 286-311	- 150mm
S159A S159D	Softened Finally Heat Treated	1100-1300	900	8	311 max 321-388	50mm
AMS 5719 AMS 5719	Annealed Hardened & Double Templerd	1069 min	896	12	311 341-375	- -

Availability
Jethete M152 is available in bar and sheet. For all other stock availability contact Sales.

Specifications
Jethete M152
BS S151
BS S159
MSRR 6503
MSRR 6504 - Jethete M152 sheet
MSRR 6514 - Jethete M 152 sheet
AMS 5719
DTD 5066
WS 1.4933
WS 1.4938
WS 1.4939
Z12CNDV12
AECMA FE-PM37
UNS S64152

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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.