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DIN W.Nr.1.4547 Nut
QS Fastener: DIN W.Nr.1.4547 Nut
Name: DIN W.Nr.1.4547 Nut
Material: S31254
Size: M6 to M100
Product Grade: A
Standard: ANSI, DIN
Tensile Strength(Rm): 650 N/mm²
Elongation: 39%
Feature: Excellent Resistance to Spot Corrosion and Crevice Corrosion.
Application: For Petroleum and petrochemical equipment, etc.
Material: S31254
Size: M6 to M100
Product Grade: A
Standard: ANSI, DIN
Tensile Strength(Rm): 650 N/mm²
Elongation: 39%
Feature: Excellent Resistance to Spot Corrosion and Crevice Corrosion.
Application: For Petroleum and petrochemical equipment, etc.
Quantity
The DIN W.Nr.1.4547 Nut is manufactured from high-performance material S31254 (254SMO), with specifications ranging from M6 to M100, compliant with ANSI and DIN standards, and classified as Grade A. It boasts a tensile strength of up to 650 N/mm² and an elongation rate of 39%, combining exceptional strength and toughness to meet the demands of high-load and complex working conditions. The DIN W.Nr.1.4547 Nut exhibits excellent resistance to pitting and crevice corrosion, making it particularly suitable for extreme corrosive environments such as petroleum and petrochemical equipment.
The DIN W.Nr.1.4547 Nut is made from S31254 (254SMO) super austenitic stainless steel, which demonstrates outstanding high-temperature performance, maintaining excellent mechanical properties and corrosion resistance under extreme temperature conditions, making it an ideal choice for high-temperature applications.
High-Temperature Mechanical Properties
In high-temperature environments, the DIN W.Nr.1.4547 Nut exhibits remarkable stability:
- Long-term service temperature: Up to 400°C, at which the tensile strength, hardness, and toughness of the DIN W.Nr.1.4547 Nut remain stable, ensuring the safe operation of equipment under high-temperature conditions.
In high-temperature environments, the DIN W.Nr.1.4547 Nut exhibits remarkable stability:
- Long-term service temperature: Up to 400°C, at which the tensile strength, hardness, and toughness of the DIN W.Nr.1.4547 Nut remain stable, ensuring the safe operation of equipment under high-temperature conditions.
- Short-term service temperature: It can withstand short-term thermal shocks up to 450°C, suitable for sudden high-temperature environments or short-duration high-temperature operations.
- High-temperature strength retention: At 400°C, the tensile strength of the DIN W.Nr.1.4547 Nut remains above 500 N/mm², significantly higher than that of ordinary stainless steel materials, ensuring minimal deformation or failure at high temperatures.
High-Temperature Corrosion Resistance
The high alloy composition of S31254 (containing 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen) endows the DIN W.Nr.1.4547 Nut with exceptional high-temperature corrosion resistance:
- Oxidation resistance: In high-temperature environments, a dense oxide film forms on the surface of the DIN W.Nr.1.4547 Nut, effectively preventing further oxidation and corrosion, ensuring long-term reliability.
The high alloy composition of S31254 (containing 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen) endows the DIN W.Nr.1.4547 Nut with exceptional high-temperature corrosion resistance:
- Oxidation resistance: In high-temperature environments, a dense oxide film forms on the surface of the DIN W.Nr.1.4547 Nut, effectively preventing further oxidation and corrosion, ensuring long-term reliability.
- Pitting and crevice corrosion resistance: Even under high-temperature conditions, the pitting resistance equivalent number (PREN) of the DIN W.Nr.1.4547 Nut remains above 43, effectively resisting corrosion from chloride ions, sulfides, and other corrosive media.
- Stress corrosion cracking resistance: Under high-temperature and high-stress conditions, the DIN W.Nr.1.4547 Nut maintains excellent resistance to stress corrosion cracking, preventing sudden failures caused by corrosion.
Applications
Thanks to its outstanding high-temperature performance, the DIN W.Nr.1.4547 Nut is widely used in the following fields:
- Petrochemical industry: Used in high-temperature reactors, heat exchangers, and pipeline systems, the DIN W.Nr.1.4547 Nut can withstand high-temperature corrosive media.
Thanks to its outstanding high-temperature performance, the DIN W.Nr.1.4547 Nut is widely used in the following fields:
- Petrochemical industry: Used in high-temperature reactors, heat exchangers, and pipeline systems, the DIN W.Nr.1.4547 Nut can withstand high-temperature corrosive media.
- Energy industry: Suitable for high-temperature and high-pressure environments in thermal power and nuclear power plants, the DIN W.Nr.1.4547 Nut ensures long-term stable operation of equipment.
- Marine engineering: In high-temperature seawater environments, the DIN W.Nr.1.4547 Nut maintains excellent corrosion resistance and mechanical properties.
- Industrial furnaces and heat treatment equipment: Used in high-temperature furnace bodies and heating elements, the DIN W.Nr.1.4547 Nut can endure long-term high-temperature operations.
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