Stainless Steel 15-5 is a precipitation hardening martensitic stainless steel. It is used in applications requiring
better corrosion resistance and transverse properties compared to other similar martensitic grades. Strength and
toughness desired can be altered by temperate range in the heat treatment process.

Standards

• UNS S15500
• AMS 5659
• ASTM A564

Composition(%)

• Carbon 0.070 Max
• Chromium 14.0-15.50
• Columbian + Tantalum 0.15-0.45
• Copper 2.50-4.50
• Manganese 1.00 Max
• Nickel 3.50-5.50
• Phosphorus 0.040 Max
• Silicon 1.00 Max
• Sulfur 0.30 Max

15-5 Stainless Steel Mechanical Properties

 

Material Type	Condition	Ultimate Tensile Strength (PSI)	0.2% Yield Strength (PSI)	Elongation (% In 2in.)	Reduction Of Area (%)	Hardness Brinell	Hardness Rockwell
15-5 PH	H900	190,000	170,000	6	15	388	C40
	H1025	155,000	145,000	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	C24