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DIN W.Nr.2.4669 Bolt and Nut
QS Fastener: DIN W.Nr.2.4669 Bolt and Nut
Name: DIN W.Nr.2.4669 Bolt and Nut
Standard: DIN, NF, ANSI
Material: N07750
Size: M36
Product Grade: A
Length: 30 to 1000 mm
Strength of Extension: 910 N/mm²
Feature: Good Corrosion Resistance and Oxidation Resistance
Application: Very Widely Used
Standard: DIN, NF, ANSI
Material: N07750
Size: M36
Product Grade: A
Length: 30 to 1000 mm
Strength of Extension: 910 N/mm²
Feature: Good Corrosion Resistance and Oxidation Resistance
Application: Very Widely Used
Quantity
DIN W.Nr.2.4669 Bolt and Nut is made from N07750 material, with a size of M36 and lengths ranging from 30 to 1000 mm. It boasts a tensile strength of up to 910 N/mm². The product complies with DIN, NF, and ANSI standards, offering excellent corrosion resistance and oxidation resistance, making it widely used in aerospace, energy, chemical industries, and high-temperature, high-pressure environments. The high strength and durability of DIN W.Nr.2.4669 Bolt and Nut ensure reliable performance under extreme conditions, making it an indispensable high-quality fastener in industrial equipment, providing long-term stable safety for your systems.
Inconel X-750 is a nickel-based high-temperature alloy, with thermal stability being one of its core advantages. It can be used for extended periods at high temperatures while maintaining stable microstructure and mechanical properties.
1. Microstructural Stability at High Temperatures
The microstructure of Inconel X-750 primarily consists of an austenitic matrix and precipitation strengthening phases (such as γ' phase, Ni₃(Al,Ti)). This structure exhibits excellent stability at high temperatures.
The microstructure of Inconel X-750 primarily consists of an austenitic matrix and precipitation strengthening phases (such as γ' phase, Ni₃(Al,Ti)). This structure exhibits excellent stability at high temperatures.
The high nickel content (≥70%) ensures that the austenitic structure does not undergo phase transformation (e.g., to brittle σ phase or carbide precipitation) at high temperatures.
The γ' phase remains stable at high temperatures, providing continuous strengthening and preventing material failure due to high-temperature softening.
After 1000 hours of exposure at 700°C, the microstructure of DIN W.Nr.2.4669 Bolt and Nut shows no significant changes, with grain size and precipitate distribution remaining uniform.
2. Mechanical Property Stability at High Temperatures
DIN W.Nr.2.4669 Bolt and Nut maintains excellent mechanical properties at high temperatures, including strength, toughness, and creep resistance.
DIN W.Nr.2.4669 Bolt and Nut maintains excellent mechanical properties at high temperatures, including strength, toughness, and creep resistance.
Strength: Through precipitation hardening, Inconel X-750 retains high yield strength and tensile strength at high temperatures.
At 650°C, the yield strength of DIN W.Nr.2.4669 Bolt and Nut remains above 600 MPa, far exceeding that of ordinary stainless steel (e.g., the yield strength of 304 stainless steel at 650°C is only around 200 MPa).
At 650°C, the yield strength of DIN W.Nr.2.4669 Bolt and Nut remains above 600 MPa, far exceeding that of ordinary stainless steel (e.g., the yield strength of 304 stainless steel at 650°C is only around 200 MPa).
Toughness: The high nickel content and stable austenitic structure ensure good toughness at high temperatures, preventing brittle fracture.
At 700°C, the impact toughness of DIN W.Nr.2.4669 Bolt and Nut remains above 50 J, demonstrating excellent fracture resistance.
Creep Resistance: Inconel X-750 exhibits outstanding creep resistance under combined high temperature and stress, enduring high stress for extended periods without significant deformation.
At 700°C and 200 MPa stress, the creep rupture time of DIN W.Nr.2.4669 Bolt and Nut** exceeds 1000 hours, far surpassing that of ordinary stainless steel (e.g., 316 stainless steel under the same conditions has a creep rupture time of only around 100 hours).
3. High-Temperature Oxidation Stability
DIN W.Nr.2.4669 Bolt and Nut forms a dense chromium oxide (Cr₂O₃) protective layer at high temperatures, effectively preventing further oxidation.
DIN W.Nr.2.4669 Bolt and Nut forms a dense chromium oxide (Cr₂O₃) protective layer at high temperatures, effectively preventing further oxidation.
The high chromium content (14-17%) ensures rapid formation and stability of the oxide layer, protecting the base material even at high temperatures.
After 1000 hours of exposure in air at 815°C, the oxidation weight gain of DIN W.Nr.2.4669 Bolt and Nut is only 0.1 mg/cm², indicating an extremely low oxidation rate.
4. Fatigue Performance at High Temperatures
DIN W.Nr.2.4669 Bolt and Nut maintains good fatigue performance at high temperatures, enduring cyclic stress without fatigue failure.
DIN W.Nr.2.4669 Bolt and Nut maintains good fatigue performance at high temperatures, enduring cyclic stress without fatigue failure.
The stable microstructure and precipitation strengthening phases effectively inhibit crack initiation and propagation, enhancing the material's fatigue life.
At 650°C and a stress amplitude of 300 MPa, the fatigue life of DIN W.Nr.2.4669 Bolt and Nut exceeds 10⁶ cycles, far surpassing that of ordinary stainless steel (e.g., 304 stainless steel under the same conditions has a fatigue life of only around 10⁵ cycles).
Inconel X-750, with its stable austenitic matrix, precipitation strengthening phases, and excellent oxidation resistance, maintains stable microstructure and mechanical properties even after prolonged use at high temperatures. The high-temperature strength, toughness, creep resistance, and fatigue performance of DIN W.Nr.2.4669 Bolt and Nut are significantly superior to those of ordinary stainless steel and other high-temperature alloys, making it an ideal material choice for extreme high-temperature environments.
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