Transcription of UTS = −767 .52 +13 .268 HV − 0. 04699 HV 2 + 9. …
1 ASTM E 140 2 C HRC HV ) ( +=) ( +=)ln() ( + = + + =200300400500600700800900100060080010001 2001400160018002000220010203040506070 HVHRCV ickers hardness HVTensile strength UTS (MPa)Rockwell hardness HRC1020304050607060080010001200140016001 80020002200200300400500600700800900 1000 HRCUTSR ockwell hardness HRCT ensile strength UTS (MPa) vickers hardness HV HV HB 10mm ++= Hultgren ) (3724 HVHVHVHVHB ++= WC ) (3724 HVHVHVHVHB + = + = ) (3724 HBHBHBHBHV100200300400500600700800100200 300400500600700800900 StandardHultgrenWCHB = hardness HBVickers hardness HV10020030040050060070080090010020030040 0500600700800900 vickers hardness HVBrinell hardness HB (Standard) Hultgren + = ) ( WC + = ) ( HS HV + + = + + =02040608010002004006008001000 Shore hardness HSVickers hardness HV10020030040050060070080090010020030040 0500600700800900 vickers hardness HVBrinell hardness HB (WC)100200300400500600700800900100200300 400500600700800900 vickers hardness HVBrinell hardness HB (Hultgren)
2 HS C HRC + + = + + = 020406080100120020406080100 Shore hardness HSRockwell hardness HRC Rockwell CVickersBrinellRockwellRockwell (109) (109) (108) (108) (107) (106) (106) (105) (104) (103) (103) (102) (101) (18) (16) (14) (12) (10) (8) (6) (4) (2) (0)
