Welcome to GIC Fasteners, your premier source for high-quality Alloy 20 Washers that adhere to industry-leading standards such as DIN, ASTM, ISO, BS, and equivalent international specifications. As a trusted manufacturer, we take pride in crafting Alloy 20 Washers that meet the stringent demands of diverse industrial applications. Whether you require washers for chemical processing, petrochemical, or other critical environments, our Alloy 20 Washers provide exceptional corrosion resistance and durability, ensuring reliability and longevity for your equipment. Explore our range of precision-engineered washers and experience the GIC Fasteners commitment to excellence and adherence to global quality standards.
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ToggleWhen it comes to ensuring the reliability and longevity of your industrial equipment, selecting the right fasteners is critical. At GIC Fasteners, we pride ourselves on providing top-notch Alloy 20 Washers. With our extensive experience in the fasteners industry, we are the trusted choice of professionals and manufacturers worldwide.
Our Alloy 20 Washers are meticulously crafted to meet the most demanding standards for durability and performance. These washers offer excellent resistance to corrosion and acid, making them perfect for applications in chemical processing, petrochemical, and other harsh environments. Our team of experts ensures that each washer is manufactured with precision and attention to detail, ensuring a secure fit and optimal load distribution. Choose GIC Fasteners for your Alloy 20 Washer needs, and experience the difference that expertise and quality can make. If you have any inquiries or would like to place an order, please don’t hesitate to contact us at sales@gicfasteners.com.
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 20 | 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 20 | 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" |
- |
- |
- |
Application | Usage |
---|---|
Chemical Processing | Alloy 20 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 20 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 20 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 20 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.
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