Общий каталог Sumitomo 2019 - 2020 - страница 37

Insert Grades Material Properties ■ Material Properties Thermal Linear-Thermal Hardness (mHv) Young Modulus Melting Point Material Specific Gravity Conductivity Expansion Coefficient (GPa) (GPa) (W/m·°C) (X 10-6/°C) (°C) Tungsten Carbide WC 15.6 21 690 126 5.1 2,900 Titanium Carbide TiC 4.94 31 450 17 7.6 3,200 Tantalum Carbide TaC 14.5 18 280 21 6.6 3,800 Niobium Carbide NbC 8.2 20 340 17 6.8 3,500 Titanium Nitrate TiN 5.43 20 260Aluminum OxideAl2O33.982941029299.28.5 2,9502,050 A Silicon Nitride Si3N4 3.17 25 310 29 3.0 >1,900 (decomposes) Cubic Boron Nitride cBN 3.48 44 700 1,300 4.7 — Diamond C 3.52 >90 970 2,100 3.1 — Cobalt Co 8.9 — 100 to 180 69 12.3 1,495 Nickel Ni 8.9 — 200 92 13.3 1,455 Cemented WC-5% Co 15.0 18 630 79 5.0 — WC-10% Co 14.6 14 580 75 5.0 — Carbide WC-20% Co 13.5 10 530 67 6.0 — High Speed Steel 8.7 8 210 17 11.0 — A37