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AMS-S-5626 | Steel: Chrome-Molybdenum Bars, Rods, and Forging Stock (For Aircraft Applications)

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What AMS-S-5626 covers

AMS-S-5626 is the aerospace material specification for steel: chrome-molybdenum bars, rods, and forging stock.

AMS-S-5626 applies to alloy steel grade AISI 4140, as steel, chrome-molybdenum (4140) bars, rods, and forging stock (for aircraft applications) physical conditions: bars and rods shall be furnished in one of the following physical conditions: as forged as rolled annealed normalized normalized and tempered quenched and tempered surface conditions: bars and rods shall be furnished in one of the following surface conditions: black, as forged or rolled pickled or blast cleaned rough turned cold finished turned, ground, and polished.

Titanium Industries stocks Alloy Steel AISI 4140 Round Bar to AMS-S-5626.

Specifications that cross-reference AMS-S-5626 include AMS 2301, AMS 6382 and AMS 6349.

For AMS-S-5626 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-5626

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AMS-S-5626

Alloy Steel Grade: AISI 4140 Product Forms: Steel, Chrome-Molybdenum (4140) Bars, Rods, and Forging Stock (For Aircraft Applications) Physical conditions: Bars and rods shall be furnished in one of the following physical conditions:

  1. As forged
  2. As rolled
  3. Annealed
  4. Normalized
  5. Normalized and tempered
  6. Quenched and tempered

Surface conditions: Bars and rods shall be furnished in one of the following surface conditions:

  1. Black, as forged or rolled
  2. Pickled or blast cleaned
  3. Rough turned
  4. Cold finished
  5. Turned, ground, and polished

Product availability:

  • Alloy Steel AISI 4140 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.

AMS-S-5626 Specification — Table 1
Chemical Composition
Fe 97.0% Cr 1.0% Mn 0.90% C 0.40% Si 0.25%
Mo 0.20% S 0.05% P 0.04%
AMS-S-5626 Specification — Table 2
Mechanical Properties
Tensile Strength: 95 - 107.3 ksi Yield Strength: 60.2 - 95 ksi Elongation: 17.7 - 25.7%

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

Typical Applications

  • Conveyors
  • Food Processing
  • Heat Exchangers
  • Surface Condensers

Cross Reference Specifications

AMS-S-5626: questions and answers

What does AMS-S-5626 cover?

AMS-S-5626 covers steel: chrome-molybdenum bars, rods, and forging stock.

Which products does Titanium Industries stock to AMS-S-5626?

Alloy Steel AISI 4140 Round Bar.

Which specifications cross-reference AMS-S-5626?

AMS 2301, AMS 6382 and AMS 6349.

Specifications on this page