Tungsten Carbide Rollers Properties

Grade	Physical Properties			Mechanical Properties
Grade	Density g/cm3	Thermal Conductivity W/(m..k)	Average Thermal Expansion Coefficient 10-6/k	Hardness≥ HRA	Bending Strength≥ kN/mm2	Compression Strength≥kN/mm2	Young's Modulus kN/mm2
ZY27	12.70	60	5.8~7.0	78.0	2200	2.8	420
ZY28	13.10	60	5.5~6.5	79.0	2370	3.0	430
ZY29	13.30	70	5.5~6.5	80.0	2300	3.0	440
ZY30	13.50	70	5.8~7.0	81.0	2300	3.2	450
ZY31	13.60	90	5.0~5.8	82.0	2300	3.2	480
ZY33	13.95	100	5.0~5.8	83.0	2350	3.2	530
ZY34	14.10	100	4.8~5.6	83.0	2350	3.4	530
ZY35	14.30	100	4.8~5.6	85.0	2400	3.5	550
ZY27A	12.70	60	5.5~6.5	80.0	2520	3.0	430
ZY28A	13.15	60	5.5~6.5	80.0	2520	3.0	460
ZY29A	13.35	70	5.5~6.5	81.0	2500	3.1	470
ZY30A	13.55	70	5.2~6.0	82.0	2500	3.1	480
ZY31A	13.65	90	5.0~5.8	83.0	2500	3.2	500
ZY33A	14.00	100	5.0~5.8	83.5	2450	3.3	540
ZY34A	14.15	100	4.8~5.6	84.0	2400	3.5	550
ZY35A	14.35	100	4.8~5.6	86.0	2450	3.6	560