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AMS-S-6049 | Steel, Chrome-Nickel-Molybdenum (8740) Bars and Re-forging Stock (Aircraft Quality)

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What AMS-S-6049 covers

AMS-S-6049 is the aerospace material specification for steel, chrome-nickel-molybdenum (8740) bars and re-forging stock.

AMS-S-6049 applies to alloy steel grade AISI 8740, as steel, chrome-nickel-molybdenum (8740) bars and re-forging stock (aircraft quality).

Titanium Industries stocks Alloy Steel Grade AISI 8470 Round Bar to AMS-S-6049.

Alloy Steel AISI 8740 is used for aerospace fasteners, automotive, petrochemical, waste processing, marine and pharmaceutical.

Specifications that cross-reference AMS-S-6049 include AMS 2301, AMS 6322 and ASTM A331.

For AMS-S-6049 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-S-6049

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AMS-S-6049

Alloy Steel Grade: AISI 8740 Product Forms: Steel, Chrome-Nickel-Molybdenum (8740) Bars and Re-forging Stock (Aircraft Quality) Scope: This specification presents the requirements for chrome-nickel-molybdenum (8740) steel bars and re-forging stock of aircraft quality.

Product availability:

  • Alloy Steel Grade AISI 8470 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-S-6049 Specification — Table 1
Chemical Composition
C 0.43% Max Cr 0.40 - 0.60% Fe 96.65 - 97.72% Mn 0.72 - 1.0% Mo 0.20 - 0.30%
Ni 0.40 - 0.70% P 0.035% Max Si 0.15 - 0.30% S 0.040%  Max
AMS-S-6049 Specification — Table 2
Mechanical Properties
Tensile Strength: - Yield Strength: - Elongation: 16.0%

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

Alloy Steel AISI 8740 Applications:

  • Aerospace Fasteners
  • Automotive
  • Petrochemical
  • Waste Processing
  • Marine
  • Pharmaceutical

Cross Reference Specifications

AMS-S-6049: questions and answers

What does AMS-S-6049 cover?

AMS-S-6049 presents the requirements for chrome-nickel-molybdenum (8740) steel bars and re-forging stock of aircraft quality.

Which products does Titanium Industries stock to AMS-S-6049?

Alloy Steel Grade AISI 8470 Round Bar.

Which specifications cross-reference AMS-S-6049?

AMS 2301, AMS 6322 and ASTM A331.

What is Alloy Steel AISI 8740 used for?

Aerospace fasteners, automotive, petrochemical, waste processing, marine and pharmaceutical.

Specifications on this page