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Stainless Steel 347/347H Fasteners derive from two stainless steel alloys: Stainless Steel 347 and Stainless Steel 347H. These alloys, variations of the 18-8 chromium-nickel stainless steel, possess distinct qualities. Stainless Steel 347 integrates niobium for elevated-temperature stability and corrosion resistance, while Stainless Steel 347H, with higher carbon content, offers enhanced high-temperature strength and corrosion resistance. These alloys collectively deliver exceptional performance in challenging environments, rendering Stainless Steel 347/347H Fasteners, encompassing bolts, nuts, screws, washers, studs, and threaded rods, as reliable components in diverse industries.
Elevate your fastening solutions with GIC Fasteners, a trusted manufacturer and exporter of top-quality Stainless Steel 347/347H Fasteners. Our commitment to innovation and excellence ensures reliable performance and durability, setting us apart in the industry.
Backed by extensive industry experience, our skilled team manufactures Stainless Steel 347/347H Fasteners with precision and expertise, guaranteeing products that meet the highest standards of quality.
Quality is the hallmark of our manufacturing process. Our Stainless Steel 347/347H Fasteners are meticulously crafted from certified materials and undergo stringent testing to meet international quality norms, ensuring superior performance.
Innovation is our driving force. Equipped with advanced technology, our facilities allow us to create custom-designed Stainless Steel 347/347H Fasteners that perfectly match your project requirements, delivering optimal solutions.
As a dedicated exporter, we cater to clients worldwide, ensuring timely and secure delivery of superior Stainless Steel 347/347H Fasteners. Our efficient logistics network guarantees prompt service, regardless of your location.
Whether you need Stainless Steel 347/347H Bolts, Nuts, Screws, Washers, Studs, or other fasteners, our diverse product range caters to diverse fastening applications.
Our Stainless Steel 347/347H Fasteners strictly adhere to global industry standards and regulations. With essential documentation including Mill Test Certificates (MTC) as per EN 10204/3.1 or 3.2, and third-party inspection reports, transparency is our priority.
Connect with us today to explore how our Stainless Steel 347/347H Fasteners can enhance your projects. Experience a partnership dedicated to elevating your fastening needs with unmatched quality and innovation.
| 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 | Cb | Ni | Fe |
|---|---|---|---|---|---|---|---|---|---|
|
SS 347 |
0.08 max |
2.0 max |
1.0
max |
0.045 max |
0.030 max |
17.00-20.00 |
10xC – 1.10 |
9.00 - 13.00 |
62.74 min
|
|
SS 347H |
0.04 – 0.10 |
2.0 max |
1.0 max |
0.045 max |
0.030 max |
17.00-19.00 |
8xC – 1.10 |
9.0 -13.0 |
63.72 min
|
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
|
347/347H |
8.0 g/cm3 |
1457 °C (2650 °F)
|
Psi – 75000 , MPa – 515 |
Psi – 30000 , MPa – 205 |
35 %
|
| Grade | WERKSTOFF NR. | UNS | JIS | GOST | EN |
|---|---|---|---|---|---|
|
SS 347
|
1.4550
|
S34700
|
SUS 347 |
08Ch18N12B |
X6CrNiNb18-10
|
|
SS 347H
|
1.4961 |
S34709 |
SUS 347H
|
-
|
X6CrNiNb18-12
|
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
|
Key Characteristics of Stainless Steel 347/347H Fasteners:
Corrosion Resistance: Infused with niobium and tantalum, these fasteners excel in resisting corrosion from acids and harsh chemicals, making them suitable for corrosive environments.
High-Temperature Endurance: Stainless Steel 347/347H Fasteners maintain their mechanical strength and integrity even under elevated temperatures, ensuring reliable performance in heat-intensive conditions.
Intergranular Corrosion Protection: The presence of titanium in 347H prevents intergranular corrosion, safeguarding fastener integrity, especially in high-temperature settings.
Strength and Toughness: These fasteners possess commendable tensile strength and toughness, making them ideal for applications involving heavy loads and challenging conditions.
Formability and Weldability: Stainless Steel 347/347H Fasteners offer easy formability and excellent weldability, facilitating versatile and secure connections.
Versatile Applicability: They find utility across industries such as aerospace, chemical processing, and power generation, where a harmonious combination of corrosion resistance and high-temperature stability is paramount.
Customization Potential: Tailoring to project-specific requirements is achievable, allowing for bespoke solutions in various applications.
Types of Stainless Steel 347/347H Fasteners: Diverse Solutions for Every Need
Stainless Steel 347/347H Fasteners offer a wide array of options to meet the demands of various industrial applications. Derived from Stainless Steel 347 and 347H alloys, these fasteners cater to a range of needs with their versatility and exceptional properties.
Bolts: Stainless Steel 347/347H bolts provide secure and reliable connections, especially in applications requiring robust fastening under high temperatures and corrosive conditions.
Nuts: Nuts crafted from Stainless Steel 347/347H ensure proper thread engagement and dependable fastening, even in environments prone to corrosion and extreme heat.
Screws: Stainless Steel 347/347H screws offer precision and reliability in various applications, thanks to their resistance to corrosion and ability to withstand elevated temperatures.
Washers: Washers made from Stainless Steel 347/347H provide essential support, distributing load and preventing surface damage, all while maintaining their integrity in challenging conditions.
Studs: Stainless Steel 347/347H studs are designed for robust connections, ensuring stability and durability in critical applications exposed to corrosive agents and high temperatures.
Stainless Steel 347/347H Fasteners find wide-ranging applications across industries due to their exceptional properties. Derived from Stainless Steel 347 and 347H alloys, these fasteners are chosen for their corrosion resistance, high-temperature endurance, and robustness in challenging environments.
Petrochemical Industry: In the petrochemical sector, where exposure to corrosive chemicals is common, Stainless Steel 347/347H Fasteners are used for secure connections in equipment, pipelines, and structures.
Aerospace Engineering: The aerospace industry benefits from the high-temperature resistance and mechanical strength of these fasteners, using them in aircraft components subjected to extreme conditions.
Power Generation: In power plants, Stainless Steel 347/347H Fasteners are crucial for assembling turbines, boilers, and other equipment exposed to high temperatures and varying pressures.
Chemical Processing: Fasteners in this industry need to withstand aggressive chemicals. Stainless Steel 347/347H Fasteners offer corrosion resistance and reliability in assembling reactors, vessels, and other chemical processing equipment.
High-Temperature Applications: Industries like furnace manufacturing and heat treatment rely on these fasteners for their ability to maintain integrity under intense heat.
Automotive Engineering: In automotive applications, these fasteners are used for components in the engine, exhaust systems, and more, where resistance to heat and corrosion is crucial.
Nuclear Industry: Stainless Steel 347/347H Fasteners play a role in assembling nuclear reactors and equipment due to their capability to endure high temperatures and radiation.
Pharmaceutical Industry: The pharmaceutical sector utilizes these fasteners for equipment and machinery that require corrosion resistance and sanitary standards.
Food Processing: In food processing, where hygiene is vital, these fasteners find use in equipment assembly that demands both corrosion resistance and high-temperature endurance.
Marine Engineering: Stainless Steel 347/347H Fasteners serve in marine environments due to their resistance to saltwater corrosion and ability to withstand varying conditions.
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Stainless Steel 347/347H is a high-grade austenitic stainless steel alloy containing chromium, nickel, and columbium/tantalum. The "H" variant, 347H, has a higher carbon content, making it suitable for high-temperature applications.
Stainless Steel 347/347H offers improved high-temperature strength and corrosion resistance compared to other austenitic stainless steel grades due to its columbium/tantalum addition.
Stainless Steel 347 contains a lower carbon content, making it suitable for applications up to 800°C (1472°F). Stainless Steel 347H, with higher carbon content, is designed for applications where elevated temperature strength is required, suitable for service up to 1000°C (1832°F).
The addition of niobium (columbium) or tantalum in Stainless Steel 347/347H helps prevent sensitization and intergranular corrosion by stabilizing the steel's microstructure.
Yes, Stainless Steel 347/347H is weldable using common welding techniques. Post-weld heat treatment is recommended to retain its corrosion resistance and strength.
Stainless Steel 347 can be used at temperatures up to 800°C (1472°F), while Stainless Steel 347H can handle higher temperatures, up to 1000°C (1832°F).
GIC Fasteners offers Stainless Steel 347/347H in various forms, including sheets, plates, bars, wire, and fasteners, tailored to meet different application needs.
While Stainless Steel 347/347H offers good corrosion resistance, it may be susceptible to chloride-induced stress corrosion cracking in certain conditions. Proper material selection and design considerations are essential in chloride-rich environments.
Yes, GIC Fasteners offers customization options for size, dimensions, and specifications of Stainless Steel 347/347H products to meet specific project requirements.
You can easily request a quote or gather more information by contacting GIC Fasteners through their website, email, or phone. The company's sales representatives will assist you promptly.
