As a trusted name in Hamilton, New Zealand, Mitchell Stainless specializes in manufacturing and supplying premium-quality SS 347H Fasteners. These Fasteners have proven record in having very high resistance to corrosion, high temperature strength, and durability, making them most suitable in applications in the chemical processing, power generation and petrochemical industries. Stainless Steel 347H Fasteners produced with precision engineering and according to international standards assure reliable performance on demanding environments. We are committed to providing the best customized solutions, competitive pricing, and world-class customer service. Hence we have become the number one choice for Stainless Steel 347H fasteners.
Fasteners in stainless steel 347H are shaped from alloys constituted of iron, chromium (17-19%), nickel (9-13%), and niobium (10x carbon). This configuration will considerably improve their resistance to oxides and corrosion at high temperatures, thereby, providing high strength, weldability, and resistance to intergranular corrosion in such severe environments. High-temperature elevation, oxidation and carburization resistance, and durability both under high and low temperatures are some benefits that the 347H fasteners offer. Such characteristics render them ideal for demanding industries such as aerospace and chemical processing.
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347H Fasteners
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 193 |
3 mm
to
200 mm
|
M02 to M33
|
| Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
| 347H | min. max | 2.00 | – | 0.045 | 0.04 0.10 | 0.030 | 17.0 19.0 | 3 – 4 | 0.75 | 9.00 13.00 | – – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347H | 515 | 205 | 40 | 95 | 217 |
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Highly resistant to corrosion, Stainless Steel 347H Nuts are ideal for high-temperature environments. Available in sizes from M2 to M64, they offer robust performance in harsh conditions, maintaining structural integrity and reliability.
Corrosion-resistant and suited for high-stress applications, Stainless Steel 347H Stud Bolts come in diameters ranging from M6 to M36 and lengths up to 1000 mm. They are used in industrial settings where high strength and resistance to oxidation are required.
Featuring excellent resistance to oxidation and corrosion, Stainless Steel 347H Bolts are available in sizes from M5 to M50, with lengths varying from 10 mm to 300 mm. They are ideal for high-temperature and corrosive environments.
Highly resistant to corrosion, Stainless Steel 347H threaded rods are available in diameters from M6 to M36 and lengths up to 3000 mm. They provide excellent mechanical strength and are used in high-temperature applications.
Offering superb corrosion resistance, Stainless Steel 347H screws are available in sizes from M3 to M20 and lengths ranging from 10 mm to 100 mm. They are suitable for high-temperature and aggressive chemical environments.
Corrosion-resistant and durable Stainless Steel 347H washers come in sizes ranging from M2 to M64. They are designed to distribute load evenly and prevent surface damage in high-temperature and corrosive environments.
We have incorporated comprehensive documentation with Stainless Steel 347H Fasteners like commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, NABL-approved lab test report etc. To ensure full satisfaction for customers, several test certificates with our Stainless Steel 347H Fasteners are also provided, including Material Test Certificate (MTC) as per the EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate.
SS 347H Fasteners are designed specifically for high-temperature applications because they have good oxidation properties and corrosion resistance under high temperatures. Widely used in the chemical processing, petrochemical and power generation industries. These fasteners are designed for use outdoors and inside environments where heat and aggressive chemicals are used, such as furnace parts, heat exchangers, and reactors, in addition to extreme heat. Their high carbon content improves their strength and stability, making them particularly good candidates for applications with respect to stress corrosion cracking and good weldability at elevated temperatures.
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