Hardness testing to ISO 6508-1
Stainless Steel 904L Flat & Spring Washers, also known as 1.4539, is a high-alloy austenitic stainless steel with excellent corrosion resistance, making it a popular choice for various industrial applications. When it comes to flat washers and spring washers made from Stainless Steel 904L (1.4539), here's what you need to know:
Stainless Steel 904L Flat Washer (1.4539):
Corrosion Resistance: This flat washer offers exceptional corrosion resistance, particularly in harsh environments that involve sulfuric acid, chloride solutions, and other corrosive chemicals. It's a preferred choice in industries where protection against corrosion is paramount.
High Alloy Content: Stainless Steel 904L flat washers contain a substantial amount of nickel and molybdenum, contributing to their resistance to pitting and crevice corrosion, as well as providing excellent strength and toughness.
Non-magnetic: Like other Stainless Steel 904L components, these flat washers are non-magnetic, which can be advantageous in applications where magnetic properties are undesirable.
Dimensional Accuracy: Stainless Steel 904L flat washers are manufactured with precision to meet specific dimensional requirements, ensuring a proper fit and load distribution in various assemblies.
|Standard||:||ASTM A /SA 193 / 194|
|Dimension||:||ASTM,DIN, BS,GB, IS and all International Standards|
|Length||:||3 mm to 200 mm|
|Washer Size||:||M3 - M56 | 3/6" to 2" | Custom Sizes|
|Heat Treatment||:||Annealing, Stress Relieving, Case Hardening, Quenching and Tempering.|
|Type||:||Plain Washer, Spring Washer, Tooth Washer, Tapper Washer, Tab Washer, Star Washer etc.|
Stainless Steel 904L Spring Washer (1.4539):
Corrosion Resistance: Spring washers made from Stainless Steel 904L (1.4539) provide the same exceptional corrosion resistance as flat washers. They are ideal for applications in aggressive chemical environments and marine settings.
High Alloy Content: The high nickel and molybdenum content in these spring washers gives them the strength and resilience needed to maintain their spring properties while resisting corrosion.
Spring Properties: Spring washers are designed to provide controlled axial load or tension. In the case of Stainless Steel 904L spring washers, they maintain their spring properties even when subjected to corrosive conditions.
Wide Temperature Range: Stainless Steel 904L spring washers can operate effectively in a broad temperature range, making them suitable for applications that involve temperature variations.
Applications for Stainless Steel 904L Flat and Spring Washers (1.4539):
Chemical Processing: These washers are commonly used in industries dealing with aggressive chemicals, such as in the production of chemicals, pharmaceuticals, and petrochemicals.
Marine and Offshore: Their corrosion resistance makes them ideal for use in boat construction, offshore oil and gas platforms, and other marine applications.
Heat Exchangers: In heat exchanger systems where resistance to corrosive fluids is critical.
Pollution Control Equipment: Used in applications like flue gas desulfurization systems where resistance to acidic gases is essential.
Pulp and Paper Industry: Stainless Steel 904L washers find applications in pulp digesters, bleach plants, and various equipment in the pulp and paper industry.
To preserve the high standards of our selection of industrial washers, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of washers.
|SS 904L||1.4539||N08904||SUS 904L||STS 317J5L||904S13||Z2 NCDU 25-20||X1NiCrMoCu25-20-5|
|SS 904L||0.020 max||2.00 max||1.00 max||0.040 max||0.030 max||19.00 – 23.00||4.00 – 5.00 max||23.00 – 28.00||1.00 – 2.00|
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|7.95 g/cm3||1350 °C (2460 °F)||Psi – 71000 , MPa – 490||Psi – 32000 , MPa – 220||25 %|
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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