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Product Overview
Introduction to Stainless Steel 416 / AISI 416 / UNS S41600
MOKSH TUBES & FITTINGS LLP is a reputed supplier, exporter, importer, and stockist of high-quality Stainless Steel 416 products, including pipes, tubes, sheets, plates, coils, bars, fittings, flanges, fasteners, wire mesh, and custom-engineered components.
Stainless Steel 416 is a martensitic, free-machining stainless steel that contains around 12–14% chromium and a small amount of sulfur, which significantly improves its machinability compared to other stainless grades. In fact, 416 is considered one of the most easily machinable stainless steels, making it a popular choice for parts requiring extensive machining and moderate corrosion resistance.
It offers good mechanical strength, moderate corrosion resistance, and can be heat treated to enhance hardness and wear resistance. However, because of the added sulfur, its corrosion resistance is slightly lower than that of Stainless Steel 410. It is magnetic in all conditions and is commonly used in automotive, aerospace, valves, shafts, and fasteners.
Stainless Steel 416 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 1.25 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.060 max |
| Sulfur (S) | 0.15 min |
| Chromium (Cr) | 12.0 – 14.0 |
| Molybdenum (Mo) | 0.60 max |
| Nickel (Ni) | 0.60 max |
| Iron (Fe) | Balance |
Sulfur content is the key to its excellent machinability but also makes it less corrosion-resistant than other martensitic grades like 410.
Technical Composition
Physical Properties
| Property | Value |
|---|---|
| Density | 7.75 g/cm³ |
| Melting Point | 1480 – 1530 °C |
| Modulus of Elasticity | 200 GPa |
| Thermal Conductivity | 24.9 W/m·K (at 100 °C) |
| Electrical Resistivity | 0.55 µΩ·m |
| Magnetic Properties | Magnetic (Martensitic) |
Mechanical Properties of Stainless Steel 416
| Condition | Property | Metric | Imperial |
|---|---|---|---|
| Annealed | Tensile Strength | 550 – 700 MPa | 80,000 – 100,000 psi |
| Annealed | Yield Strength (0.2%) | 275 MPa | 40,000 psi |
| Annealed | Elongation | 20% | 20% |
| Annealed | Hardness (Brinell) | 170 – 200 HB | 170 – 200 HB |
| Hardened | Tensile Strength | Up to 850 MPa | Up to 123,000 psi |
| Hardened | Hardness (Rockwell C) | 35 – 45 HRC | 35 – 45 HRC |
Stainless Steel 416 responds well to hardening, tempering, and annealing, making it versatile for a range of mechanical applications.
Products in Stainless Steel 416
MOKSH TUBES & FITTINGS LLP, with extensive expertise in martensitic stainless steel grades and a strong global supply network, offers a wide variety of Stainless Steel 416 products. These products serve industries such as Automotive, Aerospace, Chemical Processing, Food Processing Equipment, Valves, Shafts, Pumps, and Fasteners. Stainless Steel 416 is exceptionally suited for components requiring high machinability, moderate corrosion resistance, and good mechanical strength. In applications where efficiency in machining and dimensional precision are critical, SS 416 delivers reliable performance while meeting mechanical property requirements for demanding environments.
All products are manufactured in compliance with ASTM A276 / A582 / A484 / A479 and other international standards.
