15-5 PH ROUND BARS

15-5 is a variant of the older 17-4 chromium-nickel-copper precipitation hardening stainless steel. Both alloys exhibit high strength and moderate corrosion resistance. High strength is maintained to approximately 600 degrees F. The 15-5 alloy was designed to have greater toughness than 17-4. This improved toughness is achieved by reduced delta ferrite content and control of inclusion size and shape.

APPLICATIONS:

• Aircraft components

• High pressure corrosive fabricated parts such as valves

• Shafts

• Fasteners

• Fittings and gears

ASTM A564 STAINLESS STEEL 15-5 PH ROUND BAR EQUIVALENT GRADES

STANDARD	WERKSTOFF NR.	UNS	EN
SS 15-5 PH	1.4545	S15500	X4CrNiCuNb164

Grade	C	Cr	Mn	Si	P	S	Ni	Cu	Mo	Nb	Cb+Ta
15-5 PH	0.07	14.00 - 15.50	1.00	1.00	0.03	0.02	3.50 - 5.50	2.50 - 4.50	0.50	0.45	0.15%-0.45%

Condition	Ultimate Tensile Strenght	Yield Strengtd	Elongation	Reduction of Area	Hardness Brinell	Hardness Rockwell
H900	190,000	170,000	6	15	388	C40
H1025	155,000	125,000	8	27	331	C35
H1075	145,000	125,000	9	28	311	C32
H1150	135,000	105,000	11	30	277	C28
H1150-M	115,000	75,000	14	35	255

Common Trade Names:

PH15-5 XM-12 UNS S15500 15Cr-5Ni DIN X4CrNiCuNb164 X5CrNiCu15-5 DIN 1.4540 DIN 1.4545 SAE 15-5

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