Hemi Metals, located in Hamilton, New Zealand, stands out as a top-notch manufacturer and supplier of high-quality Maraging Steel Bars and Rods. Known for their precision engineering and strict quality standards, Hemi Metals serves a variety of industrial sectors that demand exceptional strength and reliability. Their Maraging Steel products are produced using cutting-edge metallurgical techniques, which guarantee outstanding durability, minimal distortion, and excellent machinability. With a strong focus on innovation and customer satisfaction, Hemi Metals provides materials that meet rigorous performance specifications, making them a trusted ally for engineers, fabricators, and manufacturers in aerospace, tooling, and high-performance engineering applications both in New Zealand and beyond.
Maraging Steel Bars and Rods mainly consist of iron with a high nickel content, usually between 17–19%, along with trace amounts of cobalt, molybdenum, and titanium. These steels are known for their low carbon content, which contributes to their superior toughness and weldability. Mechanically, they boast incredibly high strength, with tensile strengths often surpassing 2000 MPa after aging. They also offer excellent dimensional stability, good fracture toughness, and resistance to crack propagation. The heat treatment process, which includes solution annealing and aging, significantly boosts their hardness and yield strength while keeping deformation to a minimum, making them perfect for critical, high-performance components.
| Standard : | AMS, AMS, API |
| Specification : | ASTM A538, AMS 6512, Mil-S-46850D, BS S162, DTD 5212, MSRR 6551, MAT 102, MIA 101 |
| Size : | 20mm x 1200 x 500 |
| Specialize Sheets : | Shim, Perforated Sheet, B. Q. Profile. |
| Finish : | Cold rolled sheet (CR), 2D, Hot rolled plate (HR), 2B, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness : | Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc. |
| Grade : | Maraging Steel 250/ 300 / 350 (UNS-K92890, K93120, S35000) |
| Grade | C | Mn | Si | Co | Fe | Ni | Mo | Ti | Al |
| Maraging C250 | .03max max | .10max max | .10max max | 7.50 max | Bal | 18.50 min | 4.80 max | .40 max | .10 max |
| Maraging C300 | .03max max | .10max max | .10max max | 9.0 max | Bal | 18.50 min | 4.80 max | .60 max | .10 max |
| Maraging C350 | .03max max | .10max max | .10max max | 12.0 max | Bal | 18.50 min | 4.80 max | 1.40 max | .10 max |
| Grade | Density | Average Coefficient of Thermal Expansion | Modulus of Elasticity |
| Maraging 250 | .289 lbs./cu.in | 5.6 x 10-6 in./ in./ ºF | 5.6 x 10-6 in./ in./ ºF |
| Maraging 300 | .289 lbs./cu.in | .289 lbs./cu.in | 292 lbs./cu.in |
| Maraging 350 | .289 lbs./cu.in | 6.3 x 10-6 in./ in./ ºF | 29.0x 10-6 psi |
| STANDARD | UNS | Material No | AMS | ASTM | Mil-S | BS | DTD | MSRR |
| Maraging Steel | K92890, K93120, S35000 | – | 6512 | A538 | 46850D | S162 | 5212 | 6551 |
Maraging Steel Rods are typically available in sizes ranging from 0.125 inches (3.175 mm) to 12 inches (305 mm) in diameter, with lengths varying from 12 inches (300 mm) to 20 feet (6 meters).
Yes, Maraging steel bars can be welded, but they require careful control of heat input and pre/post-weld heat treatment to avoid compromising the material’s strength and toughness.
Maraging steel rods are typically available in diameters ranging from 0.25 inches to 8 inches. Common finishes include cold drawn, polished, or ground, with standard lengths between 12 and 24 feet.
Maraging Steel Bars and Rods find extensive use in applications that require ultra-high strength and toughness. They are vital in aerospace components like landing gear, rocket motor cases, and structural parts, where reliability under extreme stress is essential. Additionally, they are utilized in tooling and die-making, including molds for plastics and extrusion dies, thanks to their superb machinability and wear resistance. Maraging steels are also employed in high-performance engineering sectors for shafts, fasteners, and precision instruments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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