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Welcome to GIC Fasteners, your premier source for high-quality Duplex Steel S31803 bolts. Our extensive range of bolts complies with international standards, including DIN, ASTM, ISO, and BS specifications, ensuring precision and reliability in every product. Crafted from Duplex Steel S31803, known for its exceptional corrosion resistance and mechanical strength, our bolts are designed to meet the most demanding industrial applications. Trust GIC Fasteners for top-tier bolts that adhere to the strictest quality standards and equivalent international specifications, providing you with the durability and performance you require.
When it comes to securing critical structures and equipment, GIC Fasteners stands as your trusted partner in providing top-of-the-line Duplex Steel S31803 bolts. Our commitment to excellence is reflected in every bolt we manufacture. Duplex Steel S31803 is renowned for its exceptional corrosion resistance and robust mechanical properties, making it the ideal choice for applications where strength and longevity are paramount. At GIC Fasteners, we take pride in producing bolts that not only meet but exceed industry standards. Our bolts adhere to stringent DIN, ASTM, ISO, and BS specifications, ensuring precision, durability, and reliability in every fastener.
Our dedication to quality extends beyond standards; it’s ingrained in our culture. We understand that your projects demand nothing less than perfection, which is why we meticulously craft each Duplex Steel S31803 bolt with expertise and precision. Whether you require standard sizes or custom-made solutions, we have the capabilities to meet your unique needs. Trust GIC Fasteners for bolts that not only secure your projects but also elevate them to new heights of excellence. For inquiries or to request a quote, don’t hesitate to reach out to us at sales@gicfasteners.com. Your satisfaction is our priority, and we’re here to provide the best fastening solutions for your business.
| Specification | : | ASTM A 479 ASME SA 479 |
| Standard | : | DIN, ASTM, BS, ISO and all other International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, etc. |
| Threads: | : | BSF, UNF METRIC, UNC, BSW or as required |
| Head Drive | : | Phillips, Slotted, Phillips/Slot, Six-Lobe etc |
| S31803 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S31803 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex S31803 | S31803 | 1.4462 |
All measurements in millimeters
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNEASTM A479 |
ACROASTM A479 THE FLATS |
ACROASTM A479 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 |
| Industry | Applications |
|---|---|
| Oil and Gas | Duplex Steel S31803 Bolts are commonly employed in offshore drilling platforms, subsea equipment, and pipelines for their corrosion resistance and high strength, ensuring the integrity of critical components in this industry. |
| Chemical Processing | In chemical plants and refineries, these bolts are utilized for their ability to withstand corrosive chemicals and high-temperature environments, making them essential for pumps, valves, and reactor vessels. |
| Marine | Marine applications such as shipbuilding, boat hardware, and offshore structures benefit from the superior resistance of Duplex Steel S31803 Bolts to saltwater corrosion, ensuring long-lasting performance in harsh marine environments. |
| Petrochemical | Within petrochemical facilities, these bolts are employed in various processes due to their resistance to stress corrosion cracking, making them vital for equipment and piping systems. |
| Power Generation | Power plants rely on Duplex Steel S31803 Bolts for their exceptional durability and resistance to extreme temperatures, making them suitable for use in gas and steam turbines, as well as heat exchangers. |
| Water Treatment | For desalination plants, wastewater treatment facilities, and other water-related applications, these bolts are preferred due to their resistance to brackish and saltwater corrosion, ensuring reliable operation. |
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Duplex Steel S31803 is a corrosion-resistant alloy known for its exceptional strength and durability. Its bolts are preferred for applications requiring resistance to harsh environments and high mechanical stress.
Our Duplex Steel S31803 bolts conform to international standards such as DIN, ASTM, ISO, and BS, ensuring quality and compatibility with various industries.
Duplex Steel S31803 bolts offer superior corrosion resistance, high tensile strength, and excellent resistance to stress corrosion cracking, making them a cost-effective choice for long-lasting applications.
Yes, Duplex Steel S31803 bolts are highly recommended for marine environments due to their corrosion resistance, making them ideal for offshore structures and vessels.
Absolutely! GIC Fasteners offers custom solutions to tailor Duplex Steel S31803 bolts to your unique project needs, ensuring a precise fit and functionality.
Duplex Steel S31803 bolts exhibit good performance at elevated temperatures, making them suitable for applications where temperature fluctuations are common.
No, these bolts are known for their low maintenance requirements due to their corrosion resistance, which reduces the need for frequent replacement or servicing.
Duplex Steel S31803 bolts find applications in offshore oil and gas, chemical processing, petrochemical, construction, automotive, and aerospace industries.
Yes, they are eco-friendly due to their long lifespan and reduced need for replacements, which helps reduce waste and environmental impact.
