硬质合金牌号及用途对照表.doc

常用地质勘探、煤炭采掘工具用硬质合金 Cemented carbide products for geological prospecting and coal mining 常用地质勘探、煤炭采掘工具硬质合金牌号、性能及推荐用途 Grades, properties and recommended applications of conventional cemented carbide for geological prospecting and coal mining tools. 牌号 Grade 物理机械性能(典型值)Physical mechanical properties(Typical values) 推荐用途 Recommended applications 密度g/cm3Density 硬度HRAHardness 抗弯强度N/mm2 TRS YG4C 15.13 90.2 1920 适于煤用地质钻探钻头，钻进软硬交错频繁的地层，煤炭采掘用的手持式或支架式电钻钻头，钻进无烟煤层，坚硬和极坚硬煤层，制作截煤机截齿等。 Suitable for mining and geological prospecting drill bits for drilling interlocked hard and soft rock formations, hand holding or shelf electrically driven drills for mining for drilling coal stong hard and super hard formations .And for making auger tips for coal cutters YG6 14.96 91.1 2200 适于镶制煤电钻钻头，钻进不含黄铁矿的煤层和无烟煤层；钻进无硅化的片岩、钾盐、岩盐及其它同类岩层。 Suitable for embedding electrically driven drill bits for drilling coal formations not containing common pyrite and coal formations. And for drilling non- siliconized schist,sylvite,rock salt and similar rock formations. YG8 14.77 89.4 2350 适于镶制地质勘探用岩心钻头，油井钻头，刮刀钻头；钻进f=8以下的软岩层，坚硬煤层和极坚硬煤层，无烟煤层，用于加工天然石料和砖、混凝土墙的钻孔等。 Suitable for embedding core drilling drill bits for geological prospecting. oil well bits and scraper drills; For drilling soft rock formations under F=8,hard and super hard coal formations. For drilling nature stone materials, bricks and concrete walls. YG8C 14.65 88.2 2560 适于镶制钻凿f=14以下的中硬、坚硬的岩层，含有坚硬夹石煤层切割用截煤机齿，油井钻头；凿进坚硬岩石的冲击式钻头。 Suitable for embedding coal cutters for drilling medium hard hard coal formations and hard coal formations with horse under f=14; For embedding oil well drill bits and percussive drill bits for drilling hard rock formations YK20.3 14.67 88.7 2380 为经济性牌号，适于煤田地质钻探钻头，钻进软硬交互频繁的地层，煤炭采掘用的手持式或支架式电钻钻头，钻进无烟煤层，坚硬和极坚硬煤层，制作截煤机截齿等。t is an economical grade suitable for making drill bits for geological prospecting of coal mines, hand holding or shelf electrically driven drills for mining for drilling coal stone formations, hard a