Minimum order : 170 items
Customization as per requiments
| Size Range | 6 mm to 250 mm |
| Length | 1 - 6 m |
| Standards | Astm, Asme, Din, Nf, Jis, En, Ios |
| Finished | Black, Bright, Cold Drawn, Polish, Polished, Centreless Ground |
Neptune Alloys is a leading Maraging Steel Round Bar manufacturer offering ultra-high-strength bars ideal for aerospace, tooling, and critical engineering applications. These bars are largely made of iron and nickel, with additions of cobalt, molybdenum, and titanium. Known for excellent toughness, dimensional stability, and high yield strength after aging treatment, Maraging bars are used in rocket motor cases, aircraft landing gear, dies, and shafts. They are available in annealed and aged tempers, with surface options like turned, ground, or polished.
We supply bars that adhere to standards such as AMS 6512, ASTM A579, and corresponding DIN norms, with quality certifications for B2B use. Each bar undergoes testing for tensile strength, ultrasonic integrity, and microstructure to ensure top-notch performance. Customization options include size, heat treatment condition, surface finish, and length. Backed by streamlined manufacturing and logistics, we deliver Maraging round bars to aerospace suppliers, defense contractors, and tooling industries across India and international markets.
Maraging 250 bars offer high tensile strength and excellent fracture toughness, used in missile skins, jet engine shafts, and tooling plates. These bars maintain machinability in annealed condition and gain exceptional strength after aging heat treatment.
Known for its superior strength and minimal distortion during aging, Maraging 300 round bars are widely used in aerospace, molds, and high performance gears. These bars are corrosion resistant in moderate environments and heat treatable.
What standards apply to Maraging Steel Round Bars?
Maraging Steel Round Bars conform to standards like ASTM A579, AMS 6512, and MIL-S-46850. These specifications ensure the bars meet stringent criteria for chemical composition, mechanical properties, and aging treatments. Products are tested for hardness, yield strength, tensile strength, and impact toughness. Adhering to these standards makes the bars suitable for applications in high-performance aerospace and military systems requiring certification and traceability.
Are custom sizes and finishes available for Maraging Steel Round Bars?
Yes, Maraging Steel Round Bars can be supplied in various diameters ranging from 10 mm to over 150 mm and cut to any required length. Surface finishes include hot-rolled, cold-drawn, centerless ground, or polished based on the application. Customizations are common in the aerospace, automotive, and defense sectors, where dimensional accuracy and surface quality are crucial to part performance and fit.
How strong and durable are Maraging Steel Round Bars?
Maraging Steel Round Bars offer extremely high yield strength (up to 250–350 ksi depending on the grade) combined with superior toughness and low distortion during heat treatment. These properties make them more durable than conventional tool steels and stainless steels in fatigue-prone environments. They maintain structural integrity under repeated stress and temperature cycles, reducing the need for replacements and extending equipment service life.
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