| Customization: | Available |
|---|---|
| Type: | Stainless Steel Bars |
| Standard: | ASTM, AISI, GB, JIS, DIN, EN |
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| Product Name | UNS K93120 18Ni250 18Ni300 18Ni350 C250 C300 C350 18Ni HRC54-60 Maraging Steel Bar |
| Standard | ASTM A276, ASTM F899, A479, JIS G4303, EN 10088 |
| Diameter | 4 mm - 300 mm |
| Length | As requirement |
| Finish | Black, Peeled, Polishing, Bright |
| Technical | Hot rolled, cold drawn, forged |
| MOQ | 5 ton |
| Certification | ISO 9001:2008 , MTC , PMI , CO , SGS |
| Shape | stainless steel round, square, rectangular, bending |
| AISI Grade 18Ni (350) Maraging Steel, Aged, at RT, tested longitudinal, round bar |
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| Material Notes: | Applications: Bearings, Belleville springs, bolts, cannon recoil springs, rocket motor and missiles cases, couplings, load cells, flexures for guidance mechanisms of missiles, helicopter drive shafts, transmission shafts, fan shafts in commercial jet engines, aircraft wing components and forgings, aluminum die casting dies, cold forming dies, plastic molding dies, cores, pins, punches, and trim knees.
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|---|---|
| Key Words: | UNS K93120 |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 8.08 g/cc | 0.292 lb/in³ | |
| Mechanical Properties | Metric | English | Comments |
| Tensile Strength, Ultimate | 2415 MPa | 350300 psi | |
| Tensile Strength, Yield | 2363 MPa @Strain 0.200 % |
342700 psi @Strain 0.200 % |
|
| Elongation at Break | 7.5 % | 7.5 % | In gage length 4.5 times the square root of the area. |
| Reduction of Area | 35.4 % | 35.4 % | |
| Modulus of Elasticity | 200 GPa | 29000 ksi | |
| Bulk Modulus | 160 GPa | 23200 ksi | Typical for steel. |
| Poissons Ratio | 0.30 | 0.30 | Calculated |
| Shear Modulus | 77.0 GPa | 11200 ksi | Estimated from elastic modulus |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.0000174 ohm-cm | 0.0000174 ohm-cm | Typical steel |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 11.3 µm/m-°C @Temperature 21.0 - 480 °C |
6.28 µin/in-°F @Temperature 69.8 - 896 °F |
|
| Thermal Conductivity | 25.3 W/m-K @Temperature 20.0 °C |
176 BTU-in/hr-ft²-°F @Temperature 68.0 °F |
|
| 25.8 W/m-K @Temperature 50.0 °C |
179 BTU-in/hr-ft²-°F @Temperature 122 °F |
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| 27.0 W/m-K @Temperature 100 °C |
187 BTU-in/hr-ft²-°F @Temperature 212 °F |
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| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 0.10 % | 0.10 % | |
| Boron, B | 0.0030 % | 0.0030 % | |
| Carbon, C | <= 0.030 % | <= 0.030 % | |
| Cobalt, Co | 12 % | 12 % | |
| Iron, Fe | 63 % | 63 % | As remainder |
| Manganese, Mn | <= 0.10 % | <= 0.10 % | |
| Molybdenum, Mo | 4.8 % | 4.8 % | |
| Nickel, Ni | 18.5 % | 18.5 % | |
| Phosphorus, P | <= 0.010 % | <= 0.010 % | |
| Silicon, Si | <= 0.10 % | <= 0.10 % | |
| Sulfur, S | <= 0.010 % | <= 0.010 % | |
| Titanium, Ti | 1.4 % | 1.4 % | |
| Zirconium, Zr | 0.010 % | 0.010 % | |
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