When choosing a material for a particular application, it is important to consider its composition and properties to ensure that it meets the desired requirements. One of the materials commonly used in various industries, including aerospace, medical, and manufacturing, is AMS 5862. This blog post will provide an overview of AMS 5862, including its composition, physical and mechanical properties, uses, hardness, and heat treatment.
What is AMS 5862?
AMS 5862 (also known as 15-5 PH Stainless Steel) is a specific type of stainless steel that is highly resistant to corrosion and has excellent durability. This material is commonly used in industries requiring high-stress applications and harsh environments, such as aerospace and defence. The unique composition of AMS5862 makes it an ideal choice for applications that require high tensile strength, excellent resistance to pitting and crevice corrosion, and overall superior performance. With its superior properties, AMS 5862 is quickly becoming the go-to material for various industrial applications.
AMS 5862 Composition
AMS 5862 is a grade of stainless steel that belongs to the 15-5 PH alloy family. It comprises iron, chromium, nickel, aluminium, and molybdenum. The aluminium and molybdenum in the alloy are responsible for its high strength and corrosion resistance, while the nickel content gives it excellent toughness and ductility.
| 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 5862 Physical Properties
AMS 5862 has a density of 0.281 lb/in³ (7.78 g/cm³) and a melting point of 2390-2450°F (1310-1340°C). It exhibits a low thermal expansion coefficient of 6.3-7.2 μin/in-°F (11.3-12.9 μm/m-°C) and good thermal conductivity of 169-183 BTU/hr-ft-°F (293-317 W/m-K).
- 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 5862 Mechanical Properties
AMS 5862 sheet has high tensile strength, ranging from 180-200 ksi (1241-1379 MPa) in the H900 and CH900 heat-treated conditions. It also has good fatigue resistance, with endurance limits of 85-105 ksi (586-724 MPa) under cyclic loading. Moreover, AMS 5862 exhibits excellent formability, as it can be easily fabricated using various methods, such as cold forming, hot forming, and machining.
| 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 5862 Equivalents
- PH15-5
- XM-12
- UNS S15500
- 15Cr-5Ni
- DIN X4CrNiCuNb164
- X5CrNiCu15-5
- DIN 1.4540
- DIN 1.4545
- SAE 15-5
AMS 5862 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 5862 Uses
AMS 5862 is commonly used in various applications that require high strength, corrosion resistance, and good formability, including aerospace components, precision springs, medical implants, and automotive parts. It is also used in manufacturing surgical instruments, such as forceps, scalpels, and bone screws, due to its biocompatibility and resistance to corrosion in bodily fluids.
AMS 5862 Hardness
AMS 5862 has a hardness range of 38-44 HRC in the H900 heat-treated condition, equivalent to 375-435 HV. This indicates its ability to resist deformation and wear, making it suitable for high-stress applications.
AMS 5862 Heat Treatment
AMS 5862 can be heat treated to achieve different levels of strength and toughness. The most common heat treatment for AMS 5862 is the H900 heat treatment, which involves heating the material to 900°F (482°C) and cooling it rapidly to obtain high strength and flexibility. Other heat treatments include H925, H1025, H1075, and CH900, which offer varying strength, toughness, and corrosion resistance.
Conclusion:
AMS 5862 is a versatile stainless steel alloy that combines high strength, corrosion resistance, formability, and biocompatibility. Understanding its composition and properties is essential in selecting the most appropriate material for a particular application. With its excellent physical and mechanical properties and wide range of applications, AMS 5862 remains a popular choice in various industries. Whether you are in aerospace, medical, or manufacturing, AMS 5862 may be the ideal material for your project.
A passionate metal industry expert and blogger. With over 5 years of experience in the field, Palak brings a wealth of knowledge and insight to her writing. Whether discussing the latest trends in the metal industry or sharing tips, she is dedicated to helping others succeed in the metal industry.
