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Harshita Stainless, Dubai, India-based company, is a globally known manufacturer and supplier of high-quality stainless steel products. We are specialized in providing precision-engineered solutions, such as Stainless Steel 347 Stud Bolts, that perform optimally under high-temperature and corrosive conditions. We are popular for our excellence, reliability, and customer satisfaction, and we supply products satisfying global standards to industries such as chemical processing, petrochemical, and oil & gas. With a keen eye on quality control and innovation, Harshita Stainless delivers on time, performs better, and lasts longer, and that makes us your go-to partner for all your stainless steel fastening needs.
Stainless Steel 347 Stud Bolts consist of iron, 17–19% chromium, 9–12% nickel, and stabilizing constituents such as niobium (columbium) and tantalum that increase resistance to intergranular corrosion in high-temperature service. This austenitic alloy possesses tensile strength of 515–690 MPa, yield strength of approximately 205 MPa, and good weldability and ductility. It has a high resistance to oxidation, creep deformation, and thermal fatigue, and hence is well suited for application in pressure-retaining and high-temperature conditions. Its stable metallurgical behavior when exposed to stress renders it ideal for aggressive industrial use.
| Grade | Stainless Steel 347, 347H |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347 | 205 | 515 | 40 | 95 | 201 |
| Grade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 347 | 8000 | 500 | 720 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 |
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Stainless Steel 347 stud anchor bolts are designed for high-temperature and corrosive environments, providing robust strength and resistance to oxidation, making them perfect for securing heavy machinery and structural components.
Stainless Steel 347 stud exhaust bolts are engineered for high-temperature exhaust systems, offering exceptional resistance to heat and corrosion. They ensure durable, reliable performance in demanding automotive and industrial applications.
Stainless Steel 347 hex stud bolts provide exceptional strength and resistance to high temperatures and corrosion, making them ideal for demanding industrial, aerospace, and high-pressure applications requiring durable and reliable fasteners.
Harshita Stainless ensures quality in the form of high-grade stainless steel 347 stud bolts. Testing is performed for hardness, spectro analysis, PMI, flaring, micro, macro, pitting resistance, and IGC. Commercial invoices, packaging lists, and Certificates of Origin accompany all shipments for full documentation. The third-party inspection certificates ensure quality and reliability and give assurance that the products supplied will satisfy our customers.
347 Stainless Steel Stud Bolts find wide application in applications demanding high strength and corrosion resistance at high temperatures. They are particularly well suited for application in chemical and petrochemical facilities, refineries, and power generation plants. Typical applications involve heat exchangers, boilers, reactor vessels, and high-temperature piping systems, where resistance to oxidation and intergranular corrosion is important. Their sustained thermal stability also renders them ideal for exhaust systems, aerospace components, and superheater tubing. With superior mechanical strength and heat resistance, 347 stud bolts provide firm, leak-free fastening in highly corrosive, thermally stressing applications.
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