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Stainless Steel 321/321H Fasteners exhibit remarkable characteristics that make them highly suitable for applications in high-temperature and corrosive environments. These fasteners, manufactured from the resilient Stainless Steel 321 and 321H grades, offer a unique combination of properties that contribute to their outstanding performance.
At GIC Fasteners, we stand proudly as a distinguished manufacturer and exporter of high-quality Stainless Steel 321/321H Fasteners. Our commitment to excellence, combined with advanced manufacturing practices, sets us apart as a trusted name in the industry.
With extensive industry experience, our team of experts brings unparalleled knowledge to the production of Stainless Steel 321/321H Fasteners. Our fasteners are designed to meet stringent quality, performance, and durability standards.
Quality is the cornerstone of our manufacturing process. Our Stainless Steel 321/321H Fasteners are meticulously crafted from certified materials, undergoing rigorous testing to ensure they conform to international quality norms. This guarantees their outstanding performance, even in demanding conditions.
Innovation drives us. Equipped with state-of-the-art technology, our manufacturing facilities enable us to create custom Stainless Steel 321/321H Fasteners tailored precisely to your project requirements, demonstrating our commitment to addressing your unique needs.
As a dedicated exporter, we extend our reach globally, delivering superior Stainless Steel 321/321H Fasteners to clients around the world. Our efficient logistics network ensures prompt and secure deliveries, regardless of your location.
Whether you seek Stainless Steel 321/321H Bolts, Nuts, Screws, Washers, Studs, Threaded Rods, or other fasteners, our diverse product portfolio caters to a wide array of fastening applications.
Our Stainless Steel 321/321H Fasteners adhere to global industry standards and regulations. With documentation including Mill Test Certificates (MTC) as per EN 10204/3.1 or 3.2, and third-party inspection reports, we prioritize transparency and traceability.
Connect with us today to explore how our Stainless Steel 321/321H Fasteners can elevate your projects. Let us be part of your journey towards excellence, offering solutions that redefine quality and performance.
| Description | Value |
|---|---|
|
Specifications |
ASTM A 193 ASME SA 193 |
|
Standards |
ASTM, ASME, SAE, BS, DIN, ISO, UNI, EU, PN, CSN and all International Standards |
|
Length |
3 mm to 200 mm |
|
Size |
M02 – M56 | 3/6″ to 2″ | Custom Sizes |
|
Threads |
BSW, METRIC, UNC, BSF, UNF or as per need
|
| 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
|
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
|
321/321H |
8.0 g/cm3 |
1457 °C (2650 °F)
|
Psi – 75000 , MPa – 515 |
Psi – 30000 , MPa – 205 |
35 %
|
| Grade | WERKSTOFF NR. | UNS | JIS | EN |
|---|---|---|---|---|
|
SS 321
|
1.4541
|
S32100
|
SUS 321 |
X6CrNiTi18-10
|
|
SS 321H
|
1.4878 |
S32109 |
SUS 321H
|
X12CrNiTi18-9
|
All measurements in millimeters
| NOMINAL SIZE (D) | BODY DIAMETER | HEAD THICKNESS ASTM A193 | ACRO ASTMA193 THE FLATS | ACRO ASTM A193 CORNERS | ||||
|---|---|---|---|---|---|---|---|---|
|
|
D (MAX)
|
D (MIN)
|
H (MAX)
|
H (MIN) |
F (MAX)
|
F (MIN) |
C (MAX)
|
C (MIN) |
|
m10 |
10.00
|
9.78
|
6.63
|
6.17
|
17.00
|
15.73
|
18.48
|
17.77
|
|
m12
|
12.00
|
11.73
|
7.76
|
4.24
|
19.00 |
17.73
|
20.78
|
20.03
|
|
m14
|
14.00 |
13.73 |
9.09
|
8.51 |
22.00 |
20.67 |
24.25 |
23.35 |
|
m16 |
16.00 |
15.73
|
10.32 |
9.68 |
24.00 |
23.67 |
27.71 |
26.75 |
|
m20 |
20.00 |
19.67 |
12.88 |
12.12 |
30.00 |
29.16 |
34.64 |
32.95 |
|
m24 |
24.00
|
23.67 |
15.44 |
14.56 |
36.00 |
35.00 |
41.57 |
39.55 |
|
m30 |
30.00
|
29.67 |
19.48 |
17.92 |
46.00 |
45.00 |
53.12 |
50.85 |
|
m36 |
36.00 |
35.61 |
23.38
|
21.63 |
55.00 |
53.80 |
63.51 |
60.79 |
|
m42 |
42.00 |
41.38 |
26.97 |
25.03 |
65.00 |
62.90 |
75.06 |
71.71 |
|
m48 |
48.00 |
47.38 |
31.07
|
28.93 |
75.00 |
72.60 |
86.60 |
82.76 |
|
m56 |
56.00 |
55.26 |
36.2 |
33.80 |
85.00 |
82.20
|
98.15 |
93.71 |
|
m64 |
64.00 |
63.26 |
41.32
|
38.68 |
95.00 |
91.80 |
109.70 |
104.65 |
|
m72 |
72.00 |
71.26 |
46.45 |
43.55 |
105.00 |
101.40 |
121.24
|
115.60 |
|
m80
|
80.00
|
79.26 |
51.58 |
48.42 |
115.00
|
111.00 |
132.72 |
126.54 |
|
m90
|
90.00 |
89.13 |
57.74 |
54.26 |
130.00 |
125.50 |
150.11
|
143.07 |
|
m100 |
90.00 |
99.13 |
63.9 |
60.10 |
145.00 |
140.00 |
167.43
|
159.60
|
Stainless Steel 321/321H Fasteners exhibit remarkable characteristics that make them highly suitable for applications in high-temperature and corrosive environments. These fasteners, manufactured from the resilient Stainless Steel 321 and 321H grades, offer a unique combination of properties that contribute to their outstanding performance.
Key Characteristics of Stainless Steel 321/321H Fasteners:
Heat Resistance: One of the most prominent features of Stainless Steel 321/321H Fasteners is their exceptional heat resistance. These fasteners can maintain their strength and integrity even when exposed to temperatures as high as 1500°F (816°C).
Corrosion Resistance: Stainless Steel 321/321H Fasteners provide excellent corrosion resistance, particularly against oxidation and intergranular corrosion. This makes them ideal for use in applications involving chemicals, acids, and saltwater environments.
Stability in Welding: These fasteners exhibit good weldability and are often used in applications that require welding. The titanium content in Stainless Steel 321/321H prevents sensitization and intergranular corrosion after welding.
High Strength: Stainless Steel 321/321H Fasteners offer impressive mechanical strength, making them suitable for applications where both temperature and mechanical stress are factors.
Oxidation Resistance: Their resistance to oxidation is a significant advantage, allowing Stainless Steel 321/321H Fasteners to maintain their appearance and performance even in high-temperature environments exposed to air.
Creep Resistance: These fasteners can withstand creep deformation at elevated temperatures, making them suitable for applications that involve prolonged exposure to high temperatures and mechanical stress.
Stainless Steel 321/321H Fasteners come in a range of types, each designed to meet specific fastening requirements in diverse applications. These fasteners, crafted from the durable Stainless Steel 321 and 321H grades, offer versatility and reliability. Here are some common types:
Stainless Steel 321/321H Bolts: Bolts are threaded fasteners with hexagonal heads, used to securely join two or more components through pre-drilled holes. They come in various lengths, diameters, and thread types to suit different applications.
Stainless Steel 321/321H Nuts: Nuts are paired with bolts to create secure fastening assemblies. They are available in hexagonal, square, and other shapes, catering to diverse fastening needs.
Stainless Steel 321/321H Screws: Screws are versatile fasteners used for attaching objects to surfaces or joining materials. They come in various head styles, including flat, pan, and round heads, and can have different thread types.
Stainless Steel 321/321H Washers: Washers are used to distribute the load of a fastener and prevent damage to surfaces. They come in flat, spring, and locking washer varieties, each serving a specific purpose.
Stainless Steel 321/321H Studs: Studs are threaded rods without heads, threaded on both ends. They are often used to fasten components that require a clamping force from both sides.
Stainless Steel 321/321H Fasteners find extensive application across industries where durability, heat resistance, and corrosion resistance are crucial. These fasteners, manufactured from the robust Stainless Steel 321 and 321H grades, demonstrate remarkable performance in demanding environments. Here are some prominent applications:
Aerospace Industry: Stainless Steel 321/321H Fasteners are used in aircraft components, engines, and structural elements due to their exceptional heat resistance, corrosion resistance, and high strength.
Chemical Processing: Fasteners in chemical processing equipment require resistance to corrosive chemicals and high temperatures. Stainless Steel 321/321H Fasteners excel in this environment, ensuring safe and reliable operations.
Heat Exchangers: Heat exchangers, crucial in various industries, benefit from the oxidation and corrosion resistance of Stainless Steel 321/321H Fasteners, ensuring extended equipment lifespan.
Power Generation: Fasteners used in power plants, including those with high-temperature components like boilers and turbines, rely on the heat stability and mechanical strength of Stainless Steel 321/321H Fasteners.
Oil and Gas Industry: In harsh offshore and onshore environments, where corrosion and high temperatures are challenges, Stainless Steel 321/321H Fasteners offer reliability and longevity in equipment and structures.
Petrochemical Industry: Fasteners used in petrochemical plants and refineries require resistance to both high temperatures and aggressive chemicals, making Stainless Steel 321/321H Fasteners an ideal choice.
Automotive Applications: These fasteners find use in automotive exhaust systems due to their resistance to oxidation and high-temperature stability under the extreme conditions of engine operation.
Food Processing: Stainless Steel 321/321H Fasteners are utilized in food processing equipment where hygiene, corrosion resistance, and compliance with food safety regulations are essential.
Medical Equipment: In medical devices and equipment subjected to sterilization processes, these fasteners’ resistance to heat and corrosion ensures consistent performance.
High-Temperature Furnaces: Furnaces operating at elevated temperatures demand fasteners that can withstand thermal stress. Stainless Steel 321/321H Fasteners provide reliable connections in such settings.
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 is stabilized with titanium, while 321H contains higher carbon content for improved high-temperature strength. Both grades offer excellent corrosion resistance and are often used interchangeably in various applications.
Stainless Steel 321/321H Fasteners offer exceptional heat resistance, corrosion resistance, and mechanical strength, making them suitable for applications in high-temperature and corrosive environments.
At GIC Fasteners, we prioritize quality through rigorous material testing, adherence to international standards, and comprehensive quality control processes to ensure that our fasteners meet the highest industry standards.
Absolutely, these fasteners offer exceptional corrosion resistance against a wide range of corrosive chemicals and environments, making them ideal for various industries, including chemical processing and offshore applications.
GIC Fasteners offers a diverse range of Stainless Steel 321/321H Fasteners, including bolts, nuts, screws, washers, studs, threaded rods, and more, tailored to suit different fastening needs.
Yes, our Stainless Steel 321/321H Fasteners adhere to international standards and regulations, and we provide necessary documentation, including Mill Test Certificates (MTC) and third-party inspection reports for transparency and traceability.
Requesting a quote is easy. Simply visit our website or contact our sales team with your fastener requirements, and we will promptly provide you with a competitive quote tailored to your needs.
Yes, Stainless Steel 321/321H Fasteners are generally magnetic due to their austenitic structure. However, they exhibit a lower degree of magnetism compared to some other stainless steel grades.
The higher carbon content in 321H provides improved high-temperature strength but can also make it more susceptible to sensitization. Special heat treatment processes are employed to counter this effect.
While these fasteners are primarily known for their high-temperature performance, they can also withstand cryogenic temperatures, making them suitable for applications in low-temperature environments.
