Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of maraging steel c300 c350 bar in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
Maraging steel C300 and C350 bars are high strength alloys widely used in various industrial fields. These rods are made from a combination of nickel, cobalt, molybdenum, titanium and aluminum and have excellent mechanical properties such as high strength, high toughness, corrosion resistance and excellent machining and weldability. These steel bars are particularly useful in the construction of aircraft structures, landing gear and engine components, and are also used in the manufacture of high-performance sports equipment such as golf clubs and tennis rackets.
Steel Grade：Tool Steel
Tolerance：±1%
Grade：C250 C300 C350
| echnical Specification | Maraging C300 | Maraging C350 |
|---|---|---|
| Nominal Composition |
Ni:18.0 - 19.0 Mo: 4.6 - 5.20 Fe: Balance |
Ni:18.0 - 19.0 Mo: 4.6 - 5.20 |
| Density |
0.289 lb./in3, (8.0 g/cm3) |
0.292 lb./in3, (8.1 g/cm3) |
| Modulus of Elasticity (E) |
27.5 x 106 psi |
29 x 106 psi |
| Modulus of Rigidity (G) |
10.6 x106 psi |
11.2 x 106 psi |
| Coefficient of Expansion |
5.6 µin/in.-°F (70°F to 900°F) |
6.3 µin/in.-°F (70°F to 900°F) |
| Electrical Resistivity |
68.5 µΩ.in, (174 µΩ.cm) |
68.5 µΩ.in, (174 µΩ.cm) |
| Thermal Conductivity |
176Btu-in/ft2hr-°F, (25.3 W/m-K) |
176Btu-in/ft2hr-°F, (25.3 W/m-K) |
| Min Size |
0 |
0 |
| Max Temp |
482oC (900oF) |
482oC (900oF) |
| Uses of Maraging Steel Springs |
It is resistant to crack propagation and used in aircraft or high-performance racing springs |
C350 alloy is heavier and harder than C300 due to higher amounts of Cobalt. Used in high end military applications, such as, recoil springs for heavy guns. |
Applications for these springs include:
Recoil and torsion for military tanks
High-Performance Vehicle suspensions
Oil and petroleum pumps and equipment
Heavy machinery
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