150*20*8的600#阿大耐石

品 种

type

代号

code

特 点

characteristics

适用范围

applications

棕刚玉

brown fused

alumina

a

刚玉的基本品种，棕褐色，硬度高、韧性大。

a basic variety of aluminium oride,brown colour,high hardness and great toughness.

适于普通钢材的磨削、自由磨削、粗磨削，也可用于硬青铜、可锻铸铁、合金钢等材料的磨削。

for common steels,hardened bronze, malleable iron and alloy steels, etc.

白刚玉

white fused

alumina

wa

刚玉的基本品种，白色，与棕刚玉相比，硬度高、韧性稍低。

a basic variety of aluminium oxide,white colour its hardness is higher and toughness slightly lower than that of a.

适于淬火钢、合金钢、高速钢、高碳钢等材料的磨削，也可用于螺纹、齿轮及薄壁零件的加工。

for hardness steel,alloy steel,high speed,high carbon steet,etc. also for thread and gear grinding and thin walled workpieces.

微晶刚玉

microcrys-taline

fused alumina

ma

棕刚玉的派生品种，磨料由微小晶体构成,颜色与棕刚玉相似，强度高。

derived from a with small crystal size.the grain is composed of fine crystalline blocks with high streath .

适于重磨削、成型磨削、切入磨削及钢材荒磨，可用于不锈钢和特种球墨铸铁磨削加工。

for heavy-pressure.form,plunge grinding,snagging of such materials as stainless steel ductile cast iron etc.

单晶刚玉

monocryst-aline

fused aiumlina

sa

黄色或灰白色，颗粒系单晶体、硬度、韧性、强度都比白刚玉高。

yellowish or grey,the grains are single crystal with great strength,toughness and hardness.

适用于高硬度、高韧性材料如不锈钢、高钒高速钢的磨削，特别是用于干磨和变形、易烧伤工件的磨削加工，效果更好。

for such materials with great hardness and toughness as stainless steel,high vanaduim-high speed steel,particularly for the work piece liable to deform or to be burnt,and for dry grinding.

铬刚玉

rose fused

alumina

pa

白刚玉的派生品种，玫瑰红色，比白刚玉韧性高，棱角保持好。

derived from wa,rose colour.its toughness is greater than that of wa. hence wheel corner can be well held.

适用于成型磨削、刀具、量具、螺纹工件、仪表零件的精密磨削，及其他各种高光洁度的表面加工。

for form grinding,precision grinding of cutter measuring tools,instroment parts,thread grinding and fine surface finish grinding.

绿碳化硅

green silicon

carbide

gc

绿色，硬度仅次于碳化硼和金刚石，比黑碳化硅硬度和脆性略高。

green colour,its hardness is only second to diamond and boron carbide.its hardness and brittleness are higher than c.

适用于各种高硬材料的磨削及研磨加工，如硬质合金、玻璃、玛瑙、珩磨汽缸套等。

for the materials with high hardness,such as cemented carbide,glass,jadeware,etc.

黑碳化硅

black silicon

carbide

c

黑色，有光泽，硬度比白刚玉高，韧性较低。

black colour,its hardness is higher than that of wa,its toughness is a bit lower.

适用于加工抗张强度低的金属及非金属材料，如铸钢、黄铜、铝、石材、皮革、橡胶、耐火物等材料的磨削、研磨及切割。

for the materials with low tensile strength such as cast iron,brass aluminium,marble,leather and rubber,etc.