AMS 5826

AMS 5826 Stainless Steel – Composition, Properties, and Uses

ByAbhishek Modak

If you’re in the manufacturing industry, you’re familiar with AMS 5826. This is a specialized material commonly used to produce critical engine components such as shafts, gears, and other parts that must withstand high stress and pressure levels. This comprehensive guide will closely examine AMS 5826, its composition, physical and mechanical properties, uses hardness, and heat treatment.

What is AMS 5826?

AMS 5826 (also known as 15-5 PH Stainless Steel) is a specialized material developed by the aerospace industry to withstand high levels of stress and pressure. The composition of this material is designed to have superior strength, durability, and wear resistance. AMS5826 is a low-carbon nickel-chromium-molybdenum alloy that is often used in the production of critical engine components.

AMS 5826 Composition

AMS 5826 welding wire comprises nickel, chromium, molybdenum, and iron. The amounts of each metal in the composition vary depending on the final product’s intended use. For instance, AMS 5826, with high levels of molybdenum, will offer better corrosion resistance and strength than versions with lower molybdenum levels.

Carbon 0.07 max
Manganese 1.00 max
Phosphorus 0.040 max
Sulfur 0.030 max
Silicon 1.00 max
Chromium 14.00 – 15.50
Nickel 3.50 – 5.50
Copper 2.50 – 4.50
Columbium plus Tantalum 0.15 – 0.45

AMS 5826 Physical Properties

AMS 5826 plates has unique physical properties, making it an ideal choice for demanding engineering applications. It has a density of 8 gm/cm3 and is highly resistant to oxidation, even at high temperatures. AMS 5826 can withstand extreme temperatures up to 1100°C, making it perfect for aerospace engines, power generation, and chemical plants.

  • Melting Point: 2560 – 2625°F (1404 – 1440°C)
  • Density: 0.282 lbs/in3 / 7.78 g/cm3
  • Modulus of Elasticity in Tension: 28.5 X 106 psi / 196 GPa

AMS 5826 Mechanical Properties

The mechanical properties of AMS 5826 sheets are equally impressive. It has a tensile strength of up to 2050 MPa, significantly higher than other alloys like stainless steel. Its yield strength is also impressive, reaching up to 1860 MPa. AMS 5826 exhibits excellent resistance to fatigue and corrosion, making it a favourite material in critical industries like aerospace.

Properties Metric Imperial
Tensile Strength 1380 MPa 200000 psi
Yield Strength 1275 MPa 184900 psi
Modulus of Elasticity 200 GPa 29000 ksi
Elongation at Break 10% 10%
Hardness, Brinell 420 420
Hardness, Knoop 451 451
Hardness, Rockwell B 104 104
Hardness, Rockewell C 44.2 44.2
Hardness, Vickers 445 445
Charpy Impact 10 J 7.38 ft.lb

AMS 5826 Equivalents

  • PH15-5
  • XM-12
  • UNS S15500
  • 15Cr-5Ni
  • DIN X4CrNiCuNb164
  • X5CrNiCu15-5
  • DIN 1.4540
  • DIN 1.4545
  • SAE 15-5

AMS 5826 Specifications

  • AMS 5659 (Bar & Forgings)
  • AMS 5862 (Plate)
  • ASTM A564 (Grade XM-12)
  • ASTM A705 (Grade XM-12)
  • ASME SA564
  • Boeing BMS 7-240
  • Boeing BMS 7-351
  • SPP Canada Aircraft SPPCA-EN-SOW-0036 (Capability)
  • Liebherr LAT 1-9037
  • AMS-STD-2154 (Ultrasonic Inspection)

AMS 5826 Uses

AMS 5826 material is a highly versatile material that is used in a variety of demanding applications. Its superior strength, durability, and resistance to corrosion make it ideal for use in the aerospace, oil and gas, and chemical industries. It is often used to produce turbine and engine components, propeller shafts, and gears that require high strength and wear resistance.

AMS 5826 Hardness

AMS 5826 possesses exceptional hardness levels, with typical values ranging from 42-47 HRC. It is a highly dense and strong material that resists deformation and cracking. It also has a high fatigue limit and superior toughness, making it an ideal choice for manufacturing critical components.

AMS 5826 Heat Treatment

AMS 5826 tubes can be heat-treated to improve its mechanical properties. The heat treatment temperature and processing time vary depending on the part’s requirements, but the typical range is between 900-1050°C. Once treated, the material exhibits increased strength, hardness, and wear resistance.

Conclusion:

AMS5826 is a highly specialized material with unique properties that make it a favourite in the aerospace, oil and gas, and chemical industries. Its composition, physical and mechanical properties, hardness, and heat treatment make it ideal for manufacturing critical engine components that withstand extreme stress and pressure. AMS 5826 material exhibits even higher strength, durability, and wear resistance levels with proper heat treatment. In summary, AMS 5826 is a highly versatile material with superior performance in highly-demanding applications.

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