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Welcome to the world of precision-engineered Stainless Steel 321/321H Washers, meticulously crafted by GIC Fasteners, a leading manufacturer of high-quality fastening solutions. Compliant with a range of international standards, including DIN, ASTM, ISO, and BS, our washers are designed to meet the most demanding industrial requirements. Whether you're seeking exceptional corrosion resistance, impeccable heat resistance, or simply top-tier reliability, our Stainless Steel 321/321H Washers are your trusted choice. Join us as we delve into the superior performance and versatility of these essential fasteners, engineered to ensure the utmost security and longevity in critical applications.
Elevate your fastening solutions with GIC Fasteners’ premium Stainless Steel 321/321H Washers. These exceptional washers are the result of meticulous engineering and expert craftsmanship, designed to excel in challenging environments. Stainless Steel 321, renowned for its impeccable corrosion resistance, ensures longevity and reliability in applications where exposure to harsh chemicals and extreme temperatures is a daily reality. For even more robust performance, Stainless Steel 321H steps in with unparalleled heat resistance, making it the ideal choice for exhaust systems, heat exchangers, and other high-temperature environments.
At GIC Fasteners, we understand that quality and durability are paramount in the fastening industry. Our team of experts has carefully engineered these washers to meet and exceed industry standards. Whether you’re in the aerospace sector, the petrochemical industry, or any other field requiring top-tier fastening solutions, our Stainless Steel 321/321H Washers are your trusted companions. Don’t settle for anything less when it comes to securing your critical structures and equipment. Contact us today at sales@gicfasteners.com to discuss your specific needs and experience the GIC Fasteners’ difference – where excellence meets reliability.
| Specifications | : | ASTM A 193 ASME SA 193 |
| 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. |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
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" |
- |
- |
- |
Elevate your fastening solutions with GIC Fasteners’ premium Stainless Steel 321/321H Washers. These exceptional washers are the result of meticulous engineering and expert craftsmanship, designed to excel in challenging environments. Stainless Steel 321, renowned for its impeccable corrosion resistance, ensures longevity and reliability in applications where exposure to harsh chemicals and extreme temperatures is a daily reality. For even more robust performance, Stainless Steel 321H steps in with unparalleled heat resistance, making it the ideal choice for exhaust systems, heat exchangers, and other high-temperature environments.
At GIC Fasteners, we understand that quality and durability are paramount in the fastening industry. Our team of experts has carefully engineered these washers to meet and exceed industry standards. Whether you’re in the aerospace sector, the petrochemical industry, or any other field requiring top-tier fastening solutions, our Stainless Steel 321/321H Washers are your trusted companions. Don’t settle for anything less when it comes to securing your critical structures and equipment. Contact us today at sales@gicfasteners.com to discuss your specific needs and experience the GIC Fasteners’ difference – where excellence meets reliability.
| Industry/Application | Usage |
|---|---|
| Aerospace | Stainless Steel 321/321H Washers are used in aerospace applications where they provide high-temperature resistance and corrosion resistance in critical components. |
| Chemical Processing | They find application in chemical processing equipment where corrosion resistance is essential due to exposure to various chemicals and acids. |
| Power Generation | These washers are employed in power plants, including nuclear and thermal stations, where they withstand high temperatures and corrosive conditions. |
| Petrochemical | Commonly used in the petrochemical industry for their resistance to corrosion from petrochemical products and high-temperature performance. |
| Oil and Gas | Applied in oil refineries and offshore drilling rigs where corrosion resistance and high-temperature resistance are crucial. |
| Manufacturing | Utilized in general manufacturing applications for their versatility, corrosion resistance, and durability. |
| Automotive | Used in automotive manufacturing for various components and assemblies requiring corrosion resistance and heat tolerance. |
| Food Processing | Found in food processing machinery where hygiene standards and resistance to corrosion from food acids are essential. |
| Medical Equipment | Stainless Steel 321/321H Washers are used in medical equipment due to their biocompatibility and resistance to sterilization processes. |
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.
Stainless Steel 321/321H Washers are distinguished by their high-temperature resistance and exceptional corrosion resistance.
Yes, they are suitable for such applications due to their resistance to sulfuric acid corrosion.
Titanium stabilization enhances intergranular corrosion resistance after exposure to high temperatures, making them ideal for heat-intensive environments.
Yes, these washers are weldable and can be easily incorporated into various fabrication processes.
Industries such as aerospace, chemical processing, and power generation turn to these washers for their versatility and reliability.
Absolutely, they maintain their strength and resistance in power generation settings with high-temperature and corrosive conditions.
Yes, GIC Fasteners provides customization options to meet specific project requirements. Contact us to discuss tailored solutions.
Yes, they are used in medical equipment due to their biocompatibility and resistance to sterilization processes.
Requesting a quote is simple. Reach out to our sales team at sales@gicfasteners.com, and they will provide you with the pricing information you need.
