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  • Alloy
17-4

Stainless Steel 17-4 Product Guide

Applications | Stainless 17-4 Specifications | Mechanical and Chemical Data

Overview

17-4 stainless has high tensile strength and hardness and excellent corrosion resistance up to high temperatures. It is typically used in gate valves, chemical processing equipment, pump shafts, gears, ball bearings, bushings, and fasteners.

 

Common Trade Names

UNS S17400, SAE type 630 stainless, AK Steel 17-4 PH®*, PH17-4, 17-4PH, 17Cr-4Ni, Precipitation Hardening

 

*AK Steel 17-4 PH® is a registered trademark of AK Steel Holding Corporation.

 

Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Purchase Round Bar 17-4 | Square Bar 17-4 | Sheet/Plate 17-4

Applications

  • Gate Valves
  • Chemical Processing Equipment
  • Pump Shafts
  • Gears
  • Ball Bearings
  • Bushings
  • Fasteners

 

 

ASTM

AMS

ASME

A564 5604 SA564
A693 5622 SA693
A705 5643 SA705
  5825  



Mechanical Information
 
Density
Ultimate Tensile Strength
Yield Tensile Strength
Imperial 0.282 lb/in3 210,000 psi 200,000 psi
Metric 7.8 g/cc 1,448 MPa 1,379 MPa

 

Mechanical Information
 
Melting Point
Hardness Rockwell
Elongation at break percentage
Imperial 2,560-2,625 F C45 7
Metric 1,404-1,440 C    


Chemistry Information
Element
Percentage
C 0.07 max
Cr 15 - 17.5
Fe 73
Cu 3 - 5
Mn 1 max
Nb 0.45 max
Ni 3 - 5
Nb + Ta 0.15 - 0.45
P 0.04 max
S 0.03 max
Si 1 max
Ta 0.45 max
News From the Metal Press
Blog Article - 6061 vs 7075

6061 vs 7075

Blog Article - Weldability of Steel

Weldability of Stainless Steel


Blog Article - DIY Teardrop Trailer

DIY Teardrop Trailer



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