Ed Stainless is a top-notch manufacturer and supplier of high-quality Stainless Steel 347H Fasteners, proudly based in Houston, Texas, USA. Renowned for their outstanding durability and ability to withstand high temperatures, Ed Stainless fasteners are designed to meet the strictest industry standards for critical applications. The company focuses on crafting bolts, nuts, washers, studs, and various other fasteners from 347H stainless steel—an austenitic chromium steel alloy that’s stabilized with columbium (niobium). With a strong dedication to precision engineering, timely deliveries, and ensuring customer satisfaction, Ed Stainless caters to a diverse array of industries, including petrochemical, aerospace, power generation, and marine, both in the USA and around the globe.
The Stainless Steel 347H Fasteners from Ed Stainless are made from a high carbon variant of Type 347, providing excellent creep strength and corrosion resistance even at elevated temperatures. Their typical chemical makeup includes Chromium (17–19%), Nickel (9–13%), and Columbium (10xC–1.10%), along with trace elements like Manganese, Silicon, and Phosphorus. In terms of mechanical properties, these fasteners boast a minimum tensile strength of 515 MPa, a yield strength of 205 MPa, and an elongation of 35%. These impressive mechanical characteristics make them perfect for high-temperature pressure systems and environments that experience thermal cycling.
|
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.
Ed Stainless Stainless Steel 347H Fasteners are widely utilized in applications that demand exceptional strength, corrosion resistance, and stability at high temperatures. They play a crucial role in industries such as oil & gas, chemical processing, power generation, and aerospace. Commonly found in heat exchangers, boilers, pressure vessels, and exhaust systems, these fasteners are known for their resistance to intergranular corrosion and their excellent mechanical integrity under high temperatures. Their durability also makes them suitable for cryogenic environments and high-stress assemblies. As a reliable supplier in Texas, Ed Stainless is committed to delivering quality products that meet the rigorous demands of engineering and safety standards.
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