Stainless Steel 416HT pipes are manufactured in Delhiand India for applications needing high strength, good machinability, and moderate corrosion resistance. Grade 416HT is a heat-treated version of martensitic stainless steel 416, offering better mechanical properties and hardness. These pipes are typically used in industrial and mechanical systems that involve gears, valves, shafts, and piping that experience wear and machining. They come in seamless and welded forms, produced under ASTM A312 standards with strict dimensional control. SS 416HT pipes are supplied with mill testing and certification, ensuring reliability for structural and pressure-containing applications.
SS 416HT is a high-hardness version of SS 416, containing 12–14% chromium, ≤0.15% carbon, and around 0.3% sulfur to enhance machinability. After heat treatment, tensile strength reaches 700–880 MPa, yield strength is about 450 MPa, with reduced ductility (elongation ~15%). The heat treatment greatly increases hardness and wear resistance. While its corrosion resistance is lower than austenitic grades, it works well in non-aggressive indoor or slightly corrosive settings. 416HT is magnetic and suitable for high-precision mechanical applications that need dimensional accuracy and surface hardness.
| Grade | C | Mn | Si | P | S | Cr | Mo |
| SS 416HT | 0.15 max | 1.25 max | 1 max | 0.06 max | 0.15 min | 12 – 14 | 0.6 max |
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS 416HT | 517 | 30 | 275 | 262 | – |
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We maintains high-quality standards for Stainless Steel 416T Pipes. All the pipes undergo extensive testing such as mechanical, chemical, and dimensional checks that assure international standards compliance. We offer full certification in the form of Mill Test Certificates (MTC), EN 10204 3.1, that ensures reliability, durability, and superior performance in various industrial applications.
Stainless Steel 416HT ERW (Electric Resistance Welded) pipes are manufactured by welding stainless steel strips using an electric current, offering high strength and uniformity. Ideal for structural and fluid applications.
Stainless Steel 416HT EFW (Electric Fusion Welded) pipes are produced by fusing stainless steel plates through an electric process, providing high durability and strength. Suitable for high-pressure and high-temperature applications.
Stainless Steel 416HT LSAW (Longitudinally Submerged Arc Welded) pipes are created using a submerged arc welding process along the length of the pipe, offering high strength and resistance to harsh environments. Commonly used in large-diameter applications.
Stainless Steel 416HT Seamless pipes are manufactured without welding, providing uniform strength and resistance to high pressure and temperature. They are ideal for applications requiring high reliability and integrity.
Stainless Steel 416HT Welded pipes are produced by welding stainless steel sections, offering versatility and cost-effectiveness for various applications, including structural and industrial uses.
Stainless Steel 416HT Square pipes are precision-cut stainless steel pipes with a square cross-section, providing aesthetic appeal and structural support for architectural and construction projects.
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