Общий каталог Sumitomo 2019 - 2020

Material Properties

Material		Specific Gravity	Hardness (mHv) (GPa)	Young Modulus (GPa)	Thermal Conductivity (W/m·°C)	Linear-Thermal Expansion Coefficient (X 10-6/°C)	Melting Point (°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	260	29	9.2	2,950
Aluminum Oxide	Al2O3	3.98	29	410	29	8.5	2,050
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
Ctd WC-	5% Co	15.0	18	630	79	5.0	—
emene 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	—