SAE8660 Nickel Chrome Molybdenum Alloy Steel
SAE 8660 is a type of alloy steel that belongs to the Society of Automotive Engineers (SAE) designation system. It is a low-alloy steel that contains specific amounts of various elements to enhance its mechanical properties.
SAE8660 steel, commonly used as oil saw chain steel, is a high-quality alloy steel with excellent performance. Its high carbon and chromium content provide the steel with excellent hardness and wear resistance, making it ideal for use in heavy-duty industrial applications like oil saw chain production.
SAE8660 steel has a unique combination of features that make it one of the most popular choices for oil saw chain production.
- It has excellent fatigue resistance, which means the saw chains made from this steel can withstand long periods of continuous use without breaking or failing.
- 8660 steel excellent heat resistance, which allows it to be used in applications that require high-temperature performance.
- Good toughness, which ensures high-grade cutting performance even in harsh environments.
SAE8660 Carbon Steel Specification
steel round bar: dia 2mm to 1000mm
Square-shape steel: 50mm to 600mm
Steel sheet: thickness 0.5mm-12mm;width 1000mm max
Steel strip: thickness 0.5mm-4mm;width 300mm max
steel plate: thickness 5mm-800mm;Width: 10mm to 1000mm
steel pipe: OD 8-800mm
Length: random length/ fixed length
Delivery condition: hot forged /hot rolled /cold-rolled
Surface: black/ground/rough turned/fine machining/Peeled /mill-fimish surface
Metallurgical processing: electrode arc+LF/VD/VOD/ESR/VIM/VAR
Ultrasonic inspection: 100% ultrasonic test
The performance of the SAE8660 alloy steel is due to its unique composition. AISI8660 alloy contains a high percentage of carbon, chromium, and manganese, with other elements such as silicon, nickel, and molybdenum present in smaller quantities. The high carbon and chromium content provide an excellent hardening ability, making it resistant to wear, deformation, and high impact loads.
SAE 8660 Chemical composition
| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
| 0.56-0.64 | 0.15-0.35 | 0.75-1 | 0.035 | 0.04 | 0.4-0.6 | 0.4-0.7 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| 0.15-0.25 | - | - | - | - | - | - |
SAE 8660 Mechanical Properties (Surface Hardness)
| Steel designation /name | Mill scale (BY), as pickled (PY) | As annealed (AY) |
| SAE8660 | ≤39HRC | ≤95HRB |
Other Standards Equivalents
| DIN/EN | BSI/AFNOR | ASTM | AISI/SAE |
| GS-60 NiCrMo 2 | H 86600,G 86600 | - | 8660H,8660 |
One of the main benefits of using SAE8660 steel in oil saw chain production is its excellent ability to withstand corrosion. This ensures that the saw chains remain in good condition even in harsh environments, where they may be exposed to moisture and chemical degradation. Moreover, its high hardness makes it suitable for cutting different materials such as wood, plastic, and metal.
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