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AMS 5645 | Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Mechanical Tubing, Rings and Forging Stock | Solution Heat Treated

What AMS 5645 covers

AMS 5645 is the aerospace material specification for top quality, steel, corrosion and heat resistant, bars, wire, forgings, mechanical tubing, rings and forging stock.

AMS 5645 applies to stainless steel grade 321, as steel, corrosion and heat resistant, bars, wire, forgings, mechanical tubing, rings and forging stock, in the solution heat treated condition.

Titanium Industries stocks Stainless Steel Grade 321 Round Bar to AMS 5645.

Stainless Steel Grade 321 is used for commercial and military aircraft, automotive, oil & gas, agricultural and forged valve bodies and pumps.

Specifications that cross-reference AMS 5645 include AMS-QQ-S-763, ASTM A276, ASTM A320, ASTM A479 and ASTM A484.

For AMS 5645 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 5645

AMS 5645

Stainless Steel Grade: 321

Product Forms: Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Mechanical Tubing, Rings and Forging Stock

Condition: Solution Heat Treated

Product availability:

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 5645 Specification — Table 1
Chemical Composition
Fe 69.53% Cr 18.0% Mn <=2.0% C 0.080% Si <=1.0%
Ni 10.5% S <=0.030% Ti 0.40% P <=0.045%
AMS 5645 Specification — Table 2
Mechanical Properties
Tensile Strength: 74.7 - 89.9 ksi Yield Strength: 30 - 34.8 ksi Elongation: 40.0 - 55.0%

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

Stainless Steel Grade 321 Applications:

  • Commercial and Military Aircraft
  • Automotive
  • Oil & Gas
  • Agricultural
  • Forged Valve Bodies and Pumps

Cross Reference Specifications

AMS 5645: questions and answers

What does AMS 5645 cover?

AMS 5645 covers top quality, steel, corrosion and heat resistant, bars, wire, forgings, mechanical tubing, rings and forging stock.

Which products does Titanium Industries stock to AMS 5645?

Stainless Steel Grade 321 Round Bar.

Which specifications cross-reference AMS 5645?

AMS-QQ-S-763, ASTM A276, ASTM A320, ASTM A479 and ASTM A484.

What is Stainless Steel Grade 321 used for?

Commercial and military aircraft, automotive, oil & gas, agricultural and forged valve bodies and pumps.

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