硬度換算表 Tolerance & Hardness Table-WEI FONG PRECISION CO., LTD. 硬度換算表 洛氏硬度C標度硬度HRC(負荷 150kg) 威氏硬度VickersHv.. ... 洛氏硬度 C標度硬度 H R C(負荷 150kg) 威氏硬度 Vickers Hv 布氏硬度H B 洛氏硬度 蕭氏硬度 Shore H S 標準 ...
Rockwell scale - Wikipedia, the free encyclopedia The differential depth hardness measurement was conceived in 1908 by a Viennese professor Paul Ludwik in his book ... Readings below HRC 20 are generally considered unreliable, as are readings much above HRB 100 ... ...
洛氏硬度（HRC）、布氏硬度（HB）等硬度对照区别和换算 下面是几种常见的对照关系表：1
HRC 洛氏硬度試驗(Rockwell Hardness Test). 洛氏硬度機及構造. 原理. 洛氏硬度試驗法1919 年由美國的Stanly.P.Rockwell 所發表。此法乃利用槓桿原理，將硬鋼球或金.
Units of Measure for Case Hardness such as HV, HRB, HRC, etc. Units of Measure for Case Hardness such as HV, HRB, HRC, etc. Various Other Specifications, Standards, and related Requirements ... HR - Hardness, Vickers Scale HRB - Hardness, Rockwell B-scale HRC - Hardness, Rockwell C-scale These are not different ...
鎢鋼 - Tungsten News - Chinatungsten 2013年1月10日 ... 鎢鋼産品具有硬度高，耐磨性高等優點，廣泛應用于現代工業生産中 ... 通常，鎢鋼的 密度約在14~15 g/cm3左右，硬度爲HRA 86～93，相當于HRC ...
高速鋼.碳化鎢.鑽石.陶瓷刀具- 4種東西硬度大比較~ - Yahoo!奇摩知識+ 硬度: 高速鋼> 碳化鎢> 陶瓷刀具> 鑽石刀具. 高速鋼刀具---HRC 66~68 碳化鎢刀具- --HRA 90~92 陶瓷刀具---1800~2000 HV 鑽石刀具---7000~8000 HK. 因為硬度 ...
MATERIAL AISI O1 / EN-31(SAE 52100), Hardness 60- 62 HRc. ETUNGSTEN CARBIDE OPTION WHERE EVER AVAILA Total Solution for Thread Gauging 34 PRODUCTS FOR PLAIN INTERNAL DIAMETER GAUGING - PLAIN PLUG GAUGES Application : Attribute inspection of internal diameters MATERIAL HARDENED & STABILIZED STEEL, AISI O1 / EN-31(SAE 52100 ...
Tungsten Carbide, Tungsten Cemented Carbide Manufacturer and Supplier Main Properties of Cement Carbide: Excellent Hardness: 86~93 HRA, which equal to 68~81HRC; Excellent hot working performance: Hardness could be remained at 60 HRC under 900~1000 ; Resistance to wear: Some grades can outwear hardened steel by ...
eFunda: Convert Hardness: Rockwell C-Scale Scale Condition Application A Brale indenter 60 kgf load Thin, hard sheet materials, such as tungsten carbide. B 1/16 in diamond ball 100 kgf load Medium/low hard materials, such as annealed carbon steels. C Brale indenter 150 kgf load Materials harder th
