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Tantalum 440C is a high carbon sort of flawless and that is the explanation routinely used for making of cutting edge. It will in general be treated for high caliber and hardness. It is, as it were, used in bearing and bushing applications because of its progressively noticeable scratched zone and wear restriction. It is used in bearing assemblies, siphon parts and material equipment.
Fitting for applications requiring a mix of mind boggling wear block with moderate disintegration resistance, 440C is normally used in the oil and gas, marine, sustenance and restorative endeavors.
440C is a high carbon straight chromium high hardenability martensitic treated steel, generally furnished in the reinforced condition with a biggest Brinell hardness of 269 (Rc29) or toughened and cold drawn with a biggest Brinell hardness of 285 (Rc31).Characterised by incredible disintegration obstacle in smooth private and mechanical circumstances, including fresh water, regular materials, delicate acids, distinctive oil based merchandise, joined with phenomenal top notch, hardness and wear resistance when in the cemented and tempered condition.
Tantalum 440C in view of its splendid hardenability is prepared for being through cemented up to Rc60 dependent upon carbon substance and portion size. Little portions can be air cooled and exceptionally enormous fragments oil quenched for most noteworthy through hardness.Used for parts requiring a blend of phenomenal wear restriction, notwithstanding reasonable disintegration deterrent. Customary applications are: Ball Bearings and Races, Bushings, Cutlery, Chisels, Knife Blades, Pump Parts, Surgical Instruments, Valve Seats, etc.
Specifications | : | ASTM A276, A479, A484, A582 |
Size |
: | 5 mm To 500 mm |
Diameter | : | 0.1 mm to 200 mm |
Purity | : | ≥99.95% or 99.99% |
Form | : | Round, Square, Hex, Octagonal, Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
Grades | : | Tantalum Rouns Bars UNS R05200, R05400, R05255, R05252, R05240 |
Grade | C | O | N | H | Fe | Mo | Nb | Ni | Si | Ti | W |
Tantalum | 0.01 max | 0.015 max | 0.01 | 0.0015 max | 0.01 max | 0.02 | 0.1 max | 0.01 max | 0.005 max | 0.01 | 0.05 |
Density | 7650 kg/m3 |
Tensile Strength | 110,000 psi |
Yield Strength (0.2%Offset) | 65,000 psi |
Elongation | 14 % |