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Mumbai, India-based The Fasteners Mart is a reliable provider of quality industrial fasteners, bridging manufacturers, suppliers and exporters from different industries. Its major product is Stainless Steel 304H Bolts. Which are manufactured using Grade 304H austenitic stainless steel. This grade has a greater carbon content (0.04–0.10%), providing enhanced strength and performance at higher temperatures. These bolts generally have hex head, socket head and stud bolt configurations. Made primarily of chromium (18–20%) and nickel (8–11%), these have excellent corrosion resistance and are best suited for high-pressure and high-temperature uses.
Stainless Steel 304H Bolts contain mostly chromium (18–20%), nickel (8–11%), and increased carbon content (0.04–0.10%), as well as minute quantities of manganese, silicon, and phosphorus. Increased carbon content allows for increased high-temperature strength. Mechanically, they provide a tensile strength of approximately 515 MPa and yield strength of 205 MPa with fine elongation and toughness. Physically, 304H bolts possess a density of 8.0 g/cm³ with a melting range of 1400–1450°C. The properties qualify them for application in heat exchangers, boilers, and pressure vessels.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | – | |
| 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 | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
| Grade | Stainless Steel 304H |
| Specifications | ASTM A193 / ASME SA193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, Bolts, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, T-Head Bolts, Eye Bolt, Foundation Bolts, Structural Bolts. |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 304H Bolts find extensive usage in high-strength applications with exceptional heat and corrosion resistance. They best suit high-temperature applications like heat exchangers, pressure vessels, boilers, and superheaters. In petrochemicals and chemicals, they are employed in structural parts and piping systems exposed to high temperatures and corrosive chemicals. They are also used in power plants, refineries, and nuclear installations. Due to their corrosion resistance and durability, 304H bolts can be used in construction, automotive, and marine industry as well.
We at The Fasteners Mart offer good packaging solutions for SS 304H Bolts to ensure that products remain unharmed while being transported and handled. Packaging can vary from HDPE bags to bubble wrap, corrugated boxes, wooden crates and pallets based on customer and international shipping requirements. In order to provide quality we conduct a series of examinations such as tensile strength tests, hardness tests, intergranular corrosion tests (IGC), PMI (Positive Material Identification), and dimensional checks. These examinations guarantee that every 304H bolt meets industry standards regarding strength, longevity and high-temperature performance.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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