地质矿山钎具系列

牌号
Grade

密度
Density
g/cm³

抗弯强度
T.R.S
MPa

硬度
Hardness
HRA

使用性能及用途介绍
Performance & application recommended

近似国内牌号
Approx
Grades in
China

MK4C

15.1

1800

90.0

主要用作小规格的冲击钻的球齿，凿进软岩层，中硬岩层。
Mainly used as small buttons for percussion bits to cut soft and medium hard formations.

YG4C

MK6

14.9

2150

90.0

适用于地质勘探，煤层采掘及石油钻进，如取心钻头、电极钻、截煤机齿、石油牙轮钻和刮刀钻头等。
For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.

YG6

MK8

14.7

2320

89.5

适用于地质勘探的取心钻头，煤炭采掘的电煤钻头、截煤机齿、石油钻井的牙轮钻头和刮刀钻头。
For coring crowns, electric coal drill bits, coal cutting picks, cone drill bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.

YG8

MK05

14.9

2500

90.5

主要用作中小规格的冲击钻球齿、旋转勘探钻具合金片，凿进软岩层、中硬岩层。
Mostly used as the buttons of small and mediumsized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations.

YK05

MK8C

14.7

2400

88.5

YG8C

MYK15

14.6

2450

87.6

适用于冲击回转钻头的钎片、球齿及矿用牙轮钻球齿、凿进软岩层及中硬岩层。
Suitable to strips, conical buttons for rotary percussion resistant, geological prospecting buttons, cut soft and medium hard formations.

YK15
YG9C

MYK20

14.4

2500

86.8

主要用作冲击回转钻具的球齿、钎片、凿进中硬岩层和硬岩层。
Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.

YK20
YG10C

MYK25

14.4

2550

87.2

主要用作冲击回转钻具的球齿，钎片，凿进中硬岩层和坚硬岩层。
Primarily for the buttons and inserts of rotary percussion bits to cut medium hard and very hard formations.

YK25

MK11C

14.3

2600

86.5

主要用作于冲击钻、牙轮钻具的钎片、球齿、凿进中硬岩层、硬岩层以及坚硬岩层。
Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations.

YG11C

MYK40

14.2

2650

86.0

主要用作牙轮钻球齿、冲击回转钻钎片、凿进硬岩层和坚硬颜色。
Predominantly for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and very hard formations.

YK40
YG13C

MK15C

14.0

2700

85.5

适用于制造石油牙轮钻头，钻进中软、中硬岩层。
For oil cone drill bits, for medium soft and medium-hard rocks.

YG15C