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Stainless Steel 416HT Pipes are crafted from alloy 416HT, a free-machining modification of stainless steel 410. These pipes offer excellent machinability and corrosion resistance in mildly corrosive environments. With added sulfur, they exhibit improved machinability compared to standard stainless steel grades. Stainless steel 416HT pipes find applications in industries such as manufacturing, automotive, and aerospace, where ease of machining and moderate corrosion resistance are required. They are commonly used for components such as shafts, valves, and fasteners, where a combination of machinability and corrosion resistance is essential.
Grade | SS 416/416HT |
Specification | EN, DIN, JIS, ASTM, BS, ASME, AISI, IS |
Standard | ASTM A276/ASME SA276, ASTM A479/ASME SA479 & ASTM A164/ASME SA164 . |
Round Bars | Outside Diameter in the range of 4mm to 500mm above as per the customer requirement. |
Bright Bars | Outside Diameter in the range of 4mm to 500 mm above as per the customer requirement. |
Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) above as per the requirement. |
Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) above as per the requirement. |
Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm |
Length | 1 to 6 Meters, Custom Cut Lengths |
Finish | Black, Bright. Peeled and Polished, Solution annealed. |
Technique | Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
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 |
SS 416HT | 517 | 30 | 275 | 262 |
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We offer These Stainless Steel 416HT Pipe as per DIN, ISO, JIS or ANSI Standard.
Stainless Steel 416HT Pipe applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Stainless Steel 416HT Pipes have good resistance to corrosion, but they can still rust under certain conditions. Exposure to harsh environments, such as high levels of chloride or acidic substances, can compromise their corrosion resistance and lead to rusting. Proper maintenance and care, including regular cleaning and avoiding prolonged exposure to corrosive agents, can help prevent rust formation and preserve the integrity of stainless steel 416HT pipes.
To maintain stainless steel 416HT pipes, regularly clean them with mild soap and water to remove surface contaminants. Avoid harsh chemicals or abrasive cleaners that could damage the surface. Inspect the pipes periodically for signs of corrosion or damage, addressing any issues promptly. Consider passivation or protective coatings to enhance corrosion resistance. Store the pipes in a clean, dry environment away from moisture and contaminants. Regular maintenance and proper handling ensure the longevity and performance of stainless steel 416HT pipes.
Yes, stainless steel 416HT pipes can be welded using common welding techniques such as TIG (tungsten inert gas) welding, MIG (metal inert gas) welding, and SMAW (shielded metal arc welding). However, it’s important to use suitable filler materials and welding parameters to prevent sensitization and maintain corrosion resistance. Preheating and post-weld heat treatment may be required to minimize the risk of cracking and ensure the integrity of the weld joint. Overall, proper welding procedures and precautions should be followed to achieve strong and durable welds in stainless steel 416HT pipes.
Stainless steel 416HT pipes are sized based on their nominal pipe size (NPS), which refers to the approximate inside diameter. Common sizes range from 1/8 inch to 36 inches in diameter. Additionally, they are specified by their schedule, indicating the wall thickness. Standard schedules include SCH 5, SCH 10, SCH 40, and SCH 80, among others. The selection of pipe size depends on factors such as flow rate, pressure requirements, and compatibility with existing piping systems.
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