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PRODUCT MATERIAL

STAINLESS STEEL 15-5PHDownload

The 15-5 PH alloy was designed to have greater toughness than 17-4 PH. The 15-5 PH alloy is martensitic in structure in the annealed condition and is further strengthened by a relatively low temperature heat treatment which precipitates a copper containing phase in the alloy. 15-5 PH is also referred to as XM-12 in some specifications.

Chemistry

 

Ni

Cr

Mn

Cu

Si

Cb+Ta

C

P

S

Fe

MIN

3.5

14.0

-

2.5

-

0.15

-

-

-

-

MAX

5.5

15.5

1.0

4.5

1.0

0.45

0.07

0.04

0.03

Balance

Specifications

AMS 5659AMS 5862AMS 5862J Type 2
ASME SA 564ASME SA 693ASME SA 705
ASTM A 564ASTM A 693ASTM A 698ASTM A 705
ASTM-A564 (XM-12)BAC 5439 Rev H Class A Type1BMS 7-240 (Boeing)
BSS7055 Rev A
STD 2154
UNS S15500
W. Nr./EN 1.4545

Inventory

15-5 PH Plate, 15-5 PH Rectangular Bar, 15-5 PH Round Bar

Common Trade Names

15-5 Stainless, 15-5 PH

Features

· Precipitation Hardening

· High Strength

· Moderate corrosion resistance to 600°F

Applications

· Aerospace applications

· Chemical and petrochemical applications

· Pulp and paper

· Food processing

Physical Properties

Density: 0.280 lb/inch3 
Poisson's Ratio: 0.272
Electrical Resistivity: 589 Ohm-circ mil/ft

Temperature, °F

70

200

800

Coefficient of Thermal Expansion, in/in°F x 10-6

-

-

6.3

Thermal Conductivity
Btu • ft/ft2 • hr • °F

-

10.6

-

Modulus of Elasticity,
psi X 106

28.5

-

-

* 70°F to indicated temperature.

Mechanical Properties

Minimum Specified Properties, ASTM A 564

Condition

H 900

H 1075

H 1150

A

0.2 Offset Yield Strength, ksi

170

125

105

-

Ultimate Tensile Strength, ksi

190

145

135

-

Elongation % in 2" minimum

10

13

16

-

Reduction of Area, %

35

45

50

-

Hardness, Brinell

388

331

277

363 (MAX)