HOMETechnical Know-HowApplications of Precision ceramic materials주요내마모재 특성표



efficiency per unit
비교 단위 : $
Material Description COST
(□/Litre)		 Wea
Index		 Relative
Life		 Cost
(□/Unit Wear)
Coromant Sintered Tungsten Carbide 742.00 0.0275 36.36 20.407
Alumina Ceramic Fully Sintered Alumina 4.00 0.0800 15.00 0.235
Duaplate Cr Plated Hard Facing 24.00 0.2065 4.48 5.357
BF253 Hi Cr White Cast Iron 5.19 0.2310 4.33 1.199
BF954 Ni Cr White Cast Iron 4.8 0.4800 4.16 1.154
BF202 Cr Mo White Iron 7.36 0.3310 3.02 2.437
Cast Basalt Volcanic Rock 0.95 0.3780 2.64 0.360
Creusabro 32 Normalised Steel 3.32 0.5290 1.90 1.747
EN8 Steel 1.44 1.0000 1.00 1.440
EN58 312 Stainless Steel 9.63 1.095    
BS4360 Rolled Mild Steel AKT 1.493   2.110

physical characteristic & Abrasion Rate
Item Specific gravity hardness (HV) Compressive strength
(Kgf/㎠) 		Abrasion Rate Remarks
Alumina 3.7 1,110 24,000 1  
용융현무암(BASALT) 3.0 720 5,400 ≒5배  
Super Hard-steel for welding 14.9 640 26,000 ≒3∼5배  
S45C 7.86 137 12,000 ≒18배  
SUS304 8.02 295 - ≒8∼10배  
FC-20 7.75 171 6,500 ≒12∼15배  
Hi-Cr 강 7.53 355 - ≒6∼8배  

주) 1. Operation condition ? less than FLY ASH 4 18Kgf/㎠, Resistant material thickness 5t

Lifespan comparison for different uses
? item Standard Specification Operation condition Austenitic Manganese Super hard-steel Alumina BASALT cast iron
FAN CASING 2,232X420L 670RPM 5.5개월 20개월 36개월 7개월 -
CHUTE 1,000X700 석회석 2m낙하 - 185,000톤 612,000톤 71,000톤 -
ELBOW 200X90° ASH 17m/Sec 8개월 - 84개월 17개월 3개월
INNER CONE 2,685X1,585L 137 - 36개월 72개월 - -

주) 1. BASALT has relatively good resistance with ABRASION WEAR, but not with EROSION or IMPACT WEAR.