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UNS N09901 Bolt
QS Fastener: UNS N09901 Bolt
Name: UNS N09901 Bolt
Material: Incoloy 901
Product Grade: A
Size: M45
Length: 450 mm
Elongation: 12%
Standard: ANSI, DIN, NF
Feature: High Yield Strength and Durable Strength
Application: For Aeroengine Component, Gas Engine
Material: Incoloy 901
Product Grade: A
Size: M45
Length: 450 mm
Elongation: 12%
Standard: ANSI, DIN, NF
Feature: High Yield Strength and Durable Strength
Application: For Aeroengine Component, Gas Engine
Quantity
The UNS N09901 Bolt is made of high-performance Incoloy 901 nickel-based alloy, complies with ANSI, DIN, and NF standards, and is classified as Grade A. It has a specification of M45, a length of 450 mm, and an elongation rate of 12%. Designed for extreme environments, it offers high strength and excellent corrosion resistance, making it suitable for critical applications such as aircraft engine components and gas engines.
The UNS N09901 Bolt not only exhibits outstanding mechanical properties but also demonstrates exceptional oxidation resistance in high-temperature environments.
1. High-Temperature Oxidation Performance Data of UNS N09901 Bolt
The oxidation resistance of the UNS N09901 Bolt in high-temperature environments is evaluated through oxidation weight gain tests. Below are the oxidation weight gain data at 800°C:
The oxidation resistance of the UNS N09901 Bolt in high-temperature environments is evaluated through oxidation weight gain tests. Below are the oxidation weight gain data at 800°C:
| Time (hours) | Oxidation Weight Gain (mg/cm²) |
| 100 | 1.5 |
| 200 | 1.5 |
| 500 | 2.8 |
| 1000 | 4.5 |
Oxidation Weight Gain Rate: At 800°C, the UNS N09901 Bolt exhibits a low oxidation weight gain rate, indicating that its oxide layer provides excellent protection. The oxidation weight gain rate gradually decreases over time, demonstrating that the oxide layer remains stable under prolonged high-temperature exposure.
2. Comparison of UNS N09901 Bolt with Other Materials
| Material | Temperature (°C) | Oxidation Weight Gain at 100 hours (mg/cm²) | Oxidation Weight Gain at 1000 hours (mg/cm²) |
| Incoloy 901 | 800 | 0.8 | 4.5 |
| 304 Stainless Steel | 800 | 2.5 | 15.0 |
| Low-Alloy Steel | 800 | 5.0 | 30.0 |
Comparison with 304 Stainless Steel: At 800°C, the oxidation weight gain of the UNS N09901 Bolt is only one-third that of 304 stainless steel, indicating significantly superior oxidation resistance compared to ordinary stainless steel.
Comparison with Low-Alloy Steel: The oxidation weight gain of the UNS N09901 Bolt is only one-sixth that of low-alloy steel, further highlighting its advantages in high-temperature environments.
3. Long-Term High-Temperature Exposure Performance of UNS N09901 Bolt
After 1000 hours of high-temperature exposure at 800°C, the UNS N09901 Bolt exhibits the following characteristics:
1) Stable Oxidation Weight Gain: The oxidation weight gain gradually stabilizes over time, indicating that the oxide layer remains stable under prolonged high-temperature exposure.
After 1000 hours of high-temperature exposure at 800°C, the UNS N09901 Bolt exhibits the following characteristics:
1) Stable Oxidation Weight Gain: The oxidation weight gain gradually stabilizes over time, indicating that the oxide layer remains stable under prolonged high-temperature exposure.
2) Retention of Mechanical Properties: After high-temperature exposure, the tensile strength and elongation of the UNS N09901 Bolt show only slight decreases, demonstrating that its mechanical properties remain at a high level in long-term high-temperature environments.
3) Microstructural Stability: Metallographic microscopy reveals no significant grain boundary oxidation or internal oxidation, indicating excellent microstructural stability at high temperatures.
4. Application Advantages of UNS N09901 Bolt
The UNS N09901 Bolt maintains excellent oxidation resistance at temperatures up to 800°C, thanks to its unique chemical composition and the formation of a dense oxide layer. Compared to ordinary stainless steel and low-alloy steel, the UNS N09901 Bolt offers significantly superior oxidation resistance, meeting the stringent requirements for high-temperature oxidation-resistant materials in gas turbines, petrochemicals, and aerospace industries. Its stability and mechanical property retention under long-term high-temperature exposure further prove its reliability and durability in high-temperature environments.
The UNS N09901 Bolt maintains excellent oxidation resistance at temperatures up to 800°C, thanks to its unique chemical composition and the formation of a dense oxide layer. Compared to ordinary stainless steel and low-alloy steel, the UNS N09901 Bolt offers significantly superior oxidation resistance, meeting the stringent requirements for high-temperature oxidation-resistant materials in gas turbines, petrochemicals, and aerospace industries. Its stability and mechanical property retention under long-term high-temperature exposure further prove its reliability and durability in high-temperature environments.
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