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Welcome to GIC Fasteners, your trusted destination for high-quality Alloy 218 Washers engineered to meet the most stringent industry standards, including DIN, ASTM, ISO, and BS specifications, as well as equivalent international benchmarks. As a leading manufacturer in the field, we take pride in producing Alloy 218 Washers renowned for their exceptional resistance to corrosion and extreme temperatures. Our commitment to precision engineering ensures that each washer not only complies with but often exceeds the demanding requirements of diverse industrial applications. Whether you require these washers for aerospace, chemical processing, or any other critical environment, GIC Fasteners stands as your reliable partner, delivering washers that guarantee reliability, durability, and adherence to global quality standards. Explore our comprehensive range of Alloy 218 Washers today and discover the superior performance and quality that sets us apart in the industry.
In the realm of demanding industrial applications, where resistance to extreme conditions is non-negotiable, turn to GIC Fasteners, your premier source for precision-engineered Alloy 218 Washers. As a reputable manufacturer, we take pride in delivering washers that meet and often exceed industry standards, including ASTM B366 and equivalent international specifications. These Alloy 218 Washers are renowned for their remarkable resistance to corrosion, extreme temperatures, and aggressive chemicals, making them a trusted choice across various sectors.
At GIC Fasteners, we understand the importance of reliability and precision in every application. Our team of experts ensures that each Alloy 218 Washer is crafted with meticulous attention to detail, guaranteeing a secure fit and optimal load distribution. Whether you require these washers for aerospace, chemical processing, or any other critical industry, you can count on GIC Fasteners for unparalleled quality and performance. For inquiries or to place an order, please don’t hesitate to contact us at sales@gicfasteners.com. Choose GIC Fasteners for your fastening needs and experience the difference that our expertise and commitment to quality can make in your projects.
| Specifications | : | ASTM B366 / ASME SB366 |
| Standard | : | DIN, ASTM, BS, ISO and all International Standards |
| Size | : | M02 to M33 |
| Length | : | 3 mm to 200 mm |
| Type | : | Flat Washers, Spring Lock Washers, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer, Fender Washers, Wave Washers, Hex Washers, Internal Tab Washers, etc. |
| Alloy 218 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| 32 – 38 | 0.02 max | 2 – 3 | 1 – 2 | 0.7 max | Bal | 3 – 4 | 0.005 max | 0.02 max | 19 – 21 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 35000 , MPa – 241 | Psi – 80000 , MPa – 551 | 30 % |
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
| Alloy 218 | N08020 | 2.4660 | Z2NCUD31-20AZ | NiCr20CuMo | – | – | – |
Bolt Size
|
USS
|
SAE
|
||||
OD (in.)
|
ID (in.)
|
Thickness
|
OD (in.)
|
ID (in.)
|
Thickness
|
|
1/8 (#6)
|
-
|
-
|
-
|
0.375
|
0.156
|
.036/.065
|
5/32 (#8)
|
-
|
-
|
-
|
0.438
|
0.188
|
.036/.065
|
3/16 (#10)
|
0.560
|
0.250
|
.036/.065
|
0.500
|
0.220
|
.036/.065
|
7/32 (#12)
|
-
|
-
|
-
|
0.562
|
0.250
|
.051/.080
|
1/4 (#14)
|
0.734
|
0.312
|
.051/.080
|
0.625
|
0.281
|
.051/.080
|
5/16
|
0.875
|
0.375
|
.064/.104
|
0.688
|
0.344
|
.051/.080
|
3/8
|
1.000
|
0.438
|
.064/.104
|
0.812
|
0.406
|
.051/.080
|
7/16
|
1.250
|
0.500
|
.064/.104
|
0.922
|
0.469
|
.051/.080
|
1/2
|
1.375
|
0.562
|
.086/.132
|
1.062
|
0.531
|
.074/.121
|
9/16
|
1.469
|
0.625
|
.086/.132
|
1.156
|
0.594
|
.074/.121
|
5/8
|
1.750
|
0.688
|
.108/.160
|
1.312
|
0.656
|
.074/.121
|
3/4
|
2.000
|
0.812
|
.122/.177
|
1.469
|
0.812
|
.108/.160
|
7/8
|
2.250
|
0.938
|
.136/.192
|
1.750
|
0.938
|
.108/.160
|
1
|
2.500
|
1.062
|
.136/.192
|
2.000
|
1.062
|
.108/.160
|
1 1/8
|
2.750
|
1.250
|
.136/.192
|
2.250
|
1.250
|
.108/.160
|
1 1/4
|
3.000
|
1.375
|
.136/.192
|
2.500
|
1.375
|
.136/.192
|
1 3/8
|
3.250
|
1.500
|
.153/.213
|
2.750
|
1.500
|
.136/.213
|
1 1/2
|
3.500
|
1.625
|
.153/.213
|
3.000
|
1.625
|
.153/.213
|
1 5/8
|
3.750
|
1.750
|
.153/.213
|
-
|
-
|
-
|
1 3/4
|
4.000
|
1.875
|
.153/.213
|
-
|
-
|
-
|
1 7/8
|
4.250
|
2.000
|
.153/.213
|
-
|
-
|
-
|
2
|
4.500
|
2.125
|
.153/.213
|
-
|
-
|
-
|
2 1/4
|
4.750
|
2.375
|
.320/.248
|
-
|
-
|
-
|
2 1/2
|
5.000
|
2.625
|
.210/.280
|
-
|
-
|
-
|
2 3/4
|
5.250
|
2.875
|
.228/.410S
|
-
|
-
|
-
|
3
|
5.500
|
3.125
|
.249/.327
|
-
|
-
|
-
|
Size |
USS |
SAE |
||||
|---|---|---|---|---|---|---|
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
|
#2 |
- |
- |
- |
3/32" |
1/4" |
0.020" |
#4 |
- |
- |
- |
1/8" |
5/16" |
0.032" |
#6 |
- |
- |
- |
5/32" |
3/8" |
0.049" |
#8 |
- |
- |
- |
3/16" |
7/16" |
0.049" |
#10 |
- |
- |
- |
7/32" |
1/2" |
0.049" |
#12 |
- |
- |
- |
1/4" |
9/16" |
0.065" |
1/4" |
5/16" |
0.734" |
0.065" |
9/32" |
5/8" |
0.065" |
5/16" |
3/8" |
7/8" |
0.083" |
11/32" |
11/16" |
0.065" |
3/8" |
7/16" |
1" |
0.083" |
13/32" |
13/16" |
0.065" |
7/16" |
1/2" |
1-1/4" |
0.083" |
15/32" |
15/16" |
0.065" |
1/2" |
9/16" |
1-3/8" |
0.109" |
17/32" |
1-1/16" |
0.095" |
9/16" |
5/8" |
1-15/32" |
0.109" |
19/32" |
1-5/32" |
0.095" |
5/8" |
11/16" |
1-3/4" |
0.134" |
21/32" |
1-5/16" |
0.095" |
3/4" |
13/16" |
2" |
0.148" |
13/16" |
1-15/32" |
0.134" |
7/8" |
15/16" |
2-1/4" |
0.165" |
15/16" |
1-3/4" |
0.134" |
1" |
1-1/16" |
2-1/2" |
0.165" |
1-1/16" |
2" |
0.134" |
1-1/8" |
1-1/4" |
2-3/4" |
0.165" |
- |
- |
- |
1-1/4" |
1-3/8" |
3" |
0.165" |
- |
- |
- |
1-3/8" |
1-1/2" |
3-1/4" |
0.180" |
- |
- |
- |
1-1/2" |
1-5/8" |
3-1/2" |
0.180" |
- |
- |
- |
1-5/8" |
1-3/4" |
3-3/4" |
0.180" |
- |
- |
- |
1-3/4" |
1-7/8" |
4" |
0.180" |
- |
- |
- |
2" |
2-1/8" |
4-1/2" |
0.213" |
- |
- |
- |
| Industry/Applications | Usage |
|---|---|
| Chemical Processing | Alloy 218 Washers are widely used in the chemical industry for their exceptional corrosion resistance, making them suitable for handling corrosive acids, alkalis, and chemicals. |
| Petrochemical Industry | These washers find applications in the petrochemical sector, particularly in the construction of storage tanks, pipelines, and equipment exposed to aggressive environments. |
| Pharmaceutical Equipment | Alloy 218 Washers are preferred for pharmaceutical machinery due to their resistance to contamination, making them ideal for maintaining product purity. |
| Food Processing | They are used in food processing equipment, ensuring hygienic and corrosion-resistant solutions for handling food and beverages. |
| Marine Applications | Alloy 218 Washers are commonly found in marine environments where they resist the corrosive effects of saltwater and are used in shipbuilding and offshore structures. |
| Power Generation | In power plants, these washers are used in critical components that come into contact with steam, condensates, and various chemicals. |
| Oil and Gas Industry | They are utilized in the oil and gas sector, including refineries and offshore drilling, due to their resistance to sulfuric acid and chloride stress corrosion cracking. |
| Aerospace Engineering | Alloy 218 Washers are used in aircraft components, thanks to their combination of strength and corrosion resistance, ensuring safety and reliability. |
| Construction | Construction projects benefit from these washers, especially in areas prone to corrosion, such as coastal regions or chemical plants. |
Explore our comprehensive range of products, ensuring you find the perfect solution for your specific requirements.
Save money without compromising on quality, thanks to our competitive prices and cost-effective options.
Personalized assistance, prompt responses, and a commitment to meeting your needs, making your purchase process seamless.
Alloy 218 is a high-performance alloy known for its outstanding corrosion resistance and exceptional strength, making it ideal for critical applications.
Alloy 218 Washers offer superior resistance to corrosion, high temperatures, and aggressive chemicals, ensuring reliability in demanding environments.
These washers are extensively used in industries such as aerospace, chemical processing, and marine engineering, where extreme conditions are common.
Yes, GIC Fasteners manufactures Alloy 218 Washers in compliance with DIN, ASTM, ISO, and BS standards, guaranteeing precision and quality.
Absolutely, these washers maintain their integrity at elevated temperatures, making them suitable for high-temperature applications.
Alloy 218 Washers play a crucial role in aerospace components due to their resistance to corrosion, high strength, and reliability.
Yes, their corrosion resistance makes them an excellent choice for subsea equipment, ensuring longevity in saltwater environments.
Alloy 218 is a sustainable choice due to its long service life, reducing the need for frequent replacements and minimizing waste.
Absolutely, GIC Fasteners offers customization options to meet your specific requirements, ensuring a tailored solution for your project.
