AISI Type S15500 (15Cr-5Ni) Precipitation Hardening Stainless Steel longitudinal direction, intermediate location, condition H925

Subcategory: Ferrous Metal; Metal; Precipitation Hardening Stainless; Stainless Steel; T S10000 Series Stainless Steel

Key Words: 15-5 PH, 15-5PH, 15/5 PH, 15/5PH, XM12, AMS 5862, ASME SA705 (XM-12), ASTM A564 (XM-12), ASTM A693 (XM-12), ASTM A705 (XM-12), AFNOR NF A35-581 Z6CNU15.05, DIN 1.4540, DIN X4CrNiCuNb164, Cr-Ni 15-5, UNS S15500, AMS 5658, AMS 5659, AMS 5826

Component   Wt. %
CMax 0.07 
Component   Wt. %
MnMax 1 
Nb + Ta0.3 
Component   Wt. %
PMax 0.04 
SMax 0.03 
SiMax 1 

Material Notes:
Martensitic, precipitative hardening (maraging), combining high strength and hardness with excellent corrosion resistance. Applications include valve parts, fittings and fasteners, shafts, gears, chemical process equipment, paper mill equipment, aircraft components and nuclear reactor components.

Physical PropertiesMetricEnglishComments
Density7.8 g/cc0.282 lb/in Solution treated plus 480C for 1 hour, air cooled.

Mechanical Properties
Hardness, Brinell409409 
Hardness, Knoop440440 Converted from Brinell hardness.
Hardness, Rockwell B103103 Converted from Brinell hardness.
Hardness, Rockwell C4343 Converted from Brinell hardness.
Hardness, Vickers433433 Converted from Brinell hardness.
Tensile Strength, Ultimate1310 MPa190000 psi 
Tensile Strength, Yield1205 MPa175000 psi at 0.2% offset
Elongation at Break14 %14 % in 50 mm
Modulus of Elasticity200 GPa29000 ksi Typical elastic modulus for stainless steel
Charpy Impact34 J25.1 ft-lb 

Electrical Properties
Electrical Resistivity7.7e-005 ohm-cm7.7e-005 ohm-cm Solution treated plus 480C for 1 hour, air cooled.
Magnetic Permeability9595 approximate value for the annealed condition at RT

Thermal Properties
CTE, linear 20C10.8 m/m-C6 in/in-F at 21-93C, 10.4 m/mC at -73-21C, 10.8 m/mC at 21-205C
CTE, linear 250C11.3 m/m-C6.28 in/in-F at 21-315C, 11.7 m/mC at 21-425C
CTE, linear 500C15.6 m/m-C8.67 in/in-F Typical CTE from 0 - 1000C for stainless steel.
Specific Heat Capacity0.42 J/g-C0.1 BTU/lb-F Solution treated plus 480C for 1 hour, air cooled.
Thermal Conductivity17.8 W/m-K124 BTU-in/hr-ft-F at 150C, 19.5 W/m-C at 260C, 22.5 W/m-C at 460C, 22.7 W/m-C at 480C
Melting Point1405 - 1440 C2560 - 2620 F Solution treated plus 480C for 1 hour, air cooled.
Solidus1405 C2560 F 
Liquidus1440 C2620 F 

References for this datasheet.

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