Metal Alloys
Alloy Home
Steels
Stainless Steels
General Information
Properties
Stainless Stl. Grades
Austenitic
Martensitic
Ferritic
Precipitation Hardening
Stainless Steel List
AISI Type 2xx
AISI Type 3xx
AISI Type 4xx
AISI Type 5xx
AISI Type 6xx
* For other AISI or Non-AISI, please use the search function above or check Grades.
Specific Stainless Stl
General Information
Resources
Bibliography
Offshore

International news and technology for marine/offshore operations around the world.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

Design-2-Part

How OEM's can make their parts better, faster, and more efficient.

more free magazines
 
17-4PH
Category Steel
Class Stainless steel
Type Precipitation-hardening standard
Designations  United States: AMS 5342 , AMS 5343 , AMS 5344 , AMS 5355 , AMS 5604 , AMS 5622 , AMS 5643 , AMS 5825 , ASME SA564 , ASME SA705 , ASTM A564 , ASTM A693 , ASTM A705 , MIL SPEC MIL-C-24111 , MIL SPEC MIL-S-81506 , MIL SPEC MIL-S-81591 , SAE J467 (17-4PH) , UNS S17400

Composition
ElementWeight %
C  0.07 
Mn  1.00 
Si  1.00 
Cr  15.5-17.5 
Ni  3.0-5.0 
P  0.04 
S  0.03 
Cu  3.0-5.0 
Nb+Ta  0.15-0.45 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 196 25  
Tensile Strength (Mpa) 1070  25  H1025 (bar, plate, sheet, strip) more
Yield Strength (Mpa) 1000 
Elongation (%) 12 
Reduction in Area (%) 45 
Hardness (HRC) 35-42  25  H1025 (bar, plate, sheet, strip) more

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 10.8  0-100 more  
Thermal Conductivity (W/m-K) 18.3  100 more  
Specific Heat (J/kg-K) 460  0-100   

Electric Properties
Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 800  25   
Glossary