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AMS 5643 | Steel, Bars and Forgings, Corrosion Resistant | Precipitation Hardening

What AMS 5643 covers

AMS 5643 is the aerospace material specification for steel, bars and forgings, corrosion resistant.

AMS 5643 applies to stainless steel grade 17-4 PH, as steel, bars and forgings, corrosion resistant, in the precipitation hardening condition.

Titanium Industries stocks Stainless Steel Grade 17-4 PH Round Bar to AMS 5643.

Stainless Steel 17-4 PH is used for aircraft applications, chemical processing, fasteners, gears and valves, marine applications, surgical instrumentation and food processing.

Specifications that cross-reference AMS 5643 include AMS 6279, AMS 6875, ASTM A484, ASTM A564 and ASTM F899.

For AMS 5643 material, request a quote online or contact your nearest Titanium Industries location. The information on this page is for reference only and does not replace the specification itself.

Round bar, one of the product forms Titanium Industries stocks to AMS 5643

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AMS 5643

Stainless Steel Grade: 17-4 PH Product Forms: Steel, Bars and Forgings, Corrosion Resistant Condition: Precipitation Hardening Product availability:

  • Stainless Steel Grade 17-4 PH Round Bar

DISCLAIMER: The use of this information should be considered strictly voluntary. Information contained in this page or across the domain, may contain typographical errors and are for reference only. Information presented are purely generalizations and are not a substitution for AMS specifications.

DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.

AMS 5643 Specification — Table 1
Chemical Composition
Cr 16.25% NI 4% Cu 4% Si <=1% Mn <=1%
Nb 0.30% C <=0.07% P <=0.04% S <= 0.03% Fe remainder
AMS 5643 Specification — Table 2
Mechanical Properties
Tensile Strength: 115 - 200 ksi Yield Strength: 75 - 185 ksi Elongation: 5.0 - 10.0%

Tensile properties and associated requirements vary due to orientation, section thickness, and engineering requirements.

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Stainless Steel 17-4 PH Applications:

  • Aircraft Applications
  • Chemical Processing
  • Fasteners
  • Gears and Valves
  • Marine Applications
  • Surgical Instrumentation
  • Food Processing

Cross Reference Specifications

Discounted Stainless Steel

AMS 5643: questions and answers

What does AMS 5643 cover?

AMS 5643 covers steel, bars and forgings, corrosion resistant.

Which products does Titanium Industries stock to AMS 5643?

Stainless Steel Grade 17-4 PH Round Bar.

Which specifications cross-reference AMS 5643?

AMS 6279, AMS 6875, ASTM A484, ASTM A564 and ASTM F899.

What is Stainless Steel 17-4 PH used for?

Aircraft applications, chemical processing, fasteners, gears and valves, marine applications, surgical instrumentation and food processing.