Home > Stud Bolts > Stainless Steel 416 Stud Bolts
Harsh Metalloys, a leading manufacturer and supplier located in Mumbai, India, specializes in high-performance Stainless Steel 416 Stud Bolts. These bolts are celebrated for their outstanding machinability, mechanical strength, and wear resistance. Crafted from martensitic free-machining stainless steel, they’re perfect for applications that demand precise threading and efficient production. Our SS 416 stud bolts are produced in line with international standards like ASTM A193, ensuring they meet strict dimensional accuracy and performance criteria. These fasteners find extensive use in automotive, machinery, pump systems, and general engineering sectors where moderate corrosion resistance and high strength are essential.
Stainless Steel 416 Stud Bolts are composed of about 12–14% Chromium and 0.15–0.30% Carbon, along with a minimum of 0.15% Sulfur to boost machinability. This specific composition allows for heat treatment, enhancing their strength and hardness, with tensile strength ranging from 550–700 MPa and hardness reaching up to 40 HRC. While SS 416 may not offer the same level of corrosion resistance as austenitic grades, it performs reliably in dry and mildly corrosive settings. These bolts also demonstrate good fatigue strength, maintain high dimensional stability after machining, and boast excellent thread quality, making them ideal for high-precision mechanical fastening applications.
| Material | Specification | Standards | Length | Size |
| 416 Stainless Steel Stud Bolts | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
| Component | Wt. % |
| C | Max 0.15 |
| Cr | 13 |
| Fe | 84 |
| Mn | Max 1.25 |
| Mo | Max 0.6 |
| P | Max 0.06 |
| S | Max 0.15 |
| Si | Max 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell B | 82 | 82 | |
| Tensile Strength, Ultimate | 515 MPa | 74700 psi | |
| Tensile Strength, Yield | 275 MPa | 39900 psi | at 0.2% offset |
| Elongation at Break | 30 % | 30 % | in 50 mm |
| Modulus of Elasticity | 200 GPa | 29000 ksi | |
| Shear Modulus | 83 GPa | 12000 ksi |
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Stainless Steel 416 Stud Bolts are widely used in industries where high machinability, strength, and wear resistance are essential. Typical applications include gear systems, pumps, automotive assemblies, valves, industrial machinery, and tooling equipment. They are ideal for securing components in rotating or vibration-prone environments due to their excellent thread retention and mechanical stability. SS 416 is particularly favored for applications involving repeated assembly/disassembly or custom threading. These bolts are also used in food processing, aerospace ground support systems, and light chemical industries where moderate corrosion resistance is acceptable, offering a cost-effective solution for precision fastening.
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