Nitronic 60 Stainless Steel Round Bars
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what is Nitronic 60 Stainless Steel Round Bars?
Nitronic® 60 (Alloy 218, UNS S21800) stainless steel round bar is a high-performance austenitic alloy containing approximately 8-9% manganese, 16-18% chromium, and 8-9% nickel, with additions of silicon and nitrogen for enhanced wear and seizure resistance. With a minimum yield strength of 45 ksi (310 MPa) and excellent corrosion and oxidation resistance up to 1800℃F (982℃), Nitronic 60 round bar is widely used in valve stems, pump shafts, fasteners, and marine components requiring superior mechanical properties and seizure resistance.
Gnee is a leading supplier of Nitronic 60 stainless steel round bars, offering cold-drawn Nitronic 60 stainless steel bars that exhibit exceptional wear resistance, galling resistance, and fretting resistance, even under conditions of self-friction. With a yield strength nearly twice that of 304 and 316 stainless steels, Nitronic 60 maintains outstanding toughness even at sub-zero temperatures.
Manufactured in compliance with international standards such as ASTM A276 and A479, Nitronic 60 round bars are easy to machine, weld, and form through both hot and cold working processes, making them ideal for precision engineering and custom components. They are highly suitable for industries where durability and reliability are critical, including marine, chemical processing, pumps, and valves.


Nitronic® 60 Stainless Steel Bar specification
| Nitronic 60 / UNS S21800 / Alloy 218 | |
| ASTM A276 / ASTM A479 | |
| 3 mm – 350 mm | |
| 1000 mm – 6000 mm or customized | |
| >= 690 MPa | |
| >= 380 MPa | |
| >= 35% | |
| <= 241 HB | |
| ISO 9001 / EN 10204 3.1 / Third-Party Inspection (TÜV, SGS, BV) |
Physical Properties of ASTM A276 Nitronic 60 S21800 Bars:
Density: 8.0g/cm3
Melting point: 1375℃
Application of Nitronic 60 Round Bars & Rods:
Nitronic 60 stainless steel has excellent high temperature oxidation resistance and low temperature impact resistance. Nitronic 60 stainless steel plates are widely used in electric power, chemical, petrochemical, food and oil and gas industries, including expansion joint wear plates, wear pump rings, bushings, Process valve stems, seals and logging equipment.
Nitronic 60 round barmoisture-proof wrapping, wooden cases, or steel pallets to ensure safe transport. Gnee guarantees 7–15 days delivery depending on order size and custom requirements. Global shipping is available to .









