div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsusreader042viewer20220306195ae58a907f8b9a9e5d8c9289html5page1jpg target=_blank img data-url=documenthardness-conversion-table-forged-components-vickers-hardness-no-520-510-500-490htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Hardness Conversion Table - Forged Components · 247 Vickers Hardness No 520 510 500 490 480 470 460 450 440 430 420 410 400 390 380 370 360 350 340 330 320 310 300 295 290 285 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsusreader042viewer20220306195ae58a907f8b9a9e5d8c9289html5thumbnails1jpg width=140 height=200 adivdiv