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We manufacture fasteners at Navgraha Steel & Engg Company to accomplish the wide demand of SS 347 Fasteners. These are known for excellent stabilized structure with excellent Heat resistance. These fasteners offer excellent Heat resistance to corrosion in heat conditions. These fasteners are superior working and durable in several atmospheric conditions. The main feature of SS 347 Fasteners is enhanced resistance to inter-granular corrosion. These fasteners offer different standards and specifications. It is reachable in standard sizes, diameters and lengths along with custom-length needs. These are available in different forms and types:
• Nuts, Bolts, Spring Washers, Screws, Square Nuts, Stud Bolts, T-Head Bolts, Socket Screw, Anchors, Hex Coupling Nut, etc.
SS 347 is titanium and columbium stabilized with an austenitic structure. It is excellently oxidizing resistant in several affecting conditions.
It is the best functioning in intermittent heating ranges and improves after welding conditions. SS 347 Fasteners are more resistant to corrosion than other grade fasteners. It is easily adaptable in several applications with excellent quality and high accuracy. It tends to excellent tensile as well as yield strength in stress conditions to bear loads. Tantalum-columbium in the material prevents carbide precipitates to formations of grain boundaries, and thus these fasteners are stable to Austenitic structures. Therefore, it improves its service life and strength. Also, it is enhanced with greater Hardness.
Stainless Steel SS 347 is preferred for:
• Stabilized Austenitic Steel
• Higher Heat Resistant
• Higher Sensitization Opposition Property
• Better Tensile Strength
• Good Flexibility
SS 347 Fasteners are excellently working in acid environments and prevents stress cracking. These fasteners are anticorrosive and surface-coated for improving surface corrosion resistive properties. Excellent malleability benefits ease of formation of fasteners and enhance dimensional accuracy. These fasteners are used in intermittent heat conditions, and it is excellent tough in lower temperatures. It shows:
• Excellent Strength to Corrosion
• Extended Thermal Capacity
• Higher Welding Capability
• Less Thermal Elongation
Stainless Steel 347 Fasteners effectively perform against general and local erosion averting rust and pitting. It is admirable for properties like weldability and exceptional strength. Furthermore, our fasteners are recommended in higher pressure ranges and wide temperature applications.
SS 347 Fasteners are supplied to industries:
• Chemicals processing
• Materials
• Energy
• Oil and Gas
• Power Generation
• Aerospace
• Petrochemical
Standard | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Machine Screws Size | M1.6 – M12 |
Self Tapping Screw Size | No.2 – No. 14 |
Length | 3 mm to 200 mm |
Studs, Bolts, Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Certification | Dual Certified As per ASTM & ASME Codes |
Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
Test Certificate of Bolting | as per EN 10204 / 3.1 Manufacturer Test Certificate |
STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
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 |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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