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Rinku Fasteners, based in Kolkata, India, has made a name for itself as a top manufacturer and supplier of Stainless Steel 416 Washers. These washers are precision-engineered to ensure consistent performance and long-lasting durability. Thanks to their advanced manufacturing processes and strict quality checks, Rinku Fasteners guarantees that each washer meets the highest standards for strength, accuracy, and reliability. Crafted from a free-machining martensitic stainless steel grade, SS 416 Washers provide excellent machinability and dependable mechanical properties. They’re perfect for applications that demand superior wear resistance, moderate corrosion protection, and a long service life in mechanical, engineering, and industrial settings.
Stainless Steel 416 Washers are made up of 12–14% chromium, at least 0.15% carbon, and 0.15–0.35% sulfur to boost machinability. They also contain manganese, silicon, and trace amounts of phosphorus. As a martensitic stainless steel grade, SS 416 is known for its excellent machinability, solid mechanical strength, and moderate resistance to corrosion. After undergoing heat treatment, these washers achieve high tensile strength, outstanding wear resistance, and hardness levels reaching 35–40 HRC. Their durability and stability make them a great choice for medium-stress assemblies that require strength, precision, and reliable performance.
| 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 |
|
Material |
Specification |
Standards |
Length |
Size
|
|
416 Stainless Steel Washers
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
3 mm to 200 mm
|
M 02 to M 160
|
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 416 Washers find their place in various industries where excellent machinability, wear resistance, and precise dimensions are crucial. You’ll often see them in automotive parts, industrial machinery, pumps, valves, and general engineering systems. Their wear resistance and moderate corrosion protection make them ideal for fastening assemblies in manufacturing equipment, mechanical housings, and precision instruments. SS 416 Washers are also commonly used in applications that demand high reliability and performance.
At Rinku Fasteners, we hold our Stainless Steel 416 Washers to exacting standards, ensuring proper documentation and attention to detail. Our commitment includes detailed product specifications, precise packaging systems, strict quality control measures that meet EN 10204/3.1b standards Every washer has a PMI test certificate with 100% radiography test reports, demonstrating our commitment to quality products and reliability. Third-party certifications further testify to strict customer satisfaction standards. Carefully packed to prevent any damage in transit, our stainless steel 416 washers arrive in pristine condition, ready to be used in a variety of demanding applications.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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