CrNiMo - alloyed perlitic carbide spheroidal graphite iron

Designation	HV	LD	Shore C	Application
GHG-CrNiMo 340	320-360	584-617	45-49	Rolls for blooming blocks for fine steel section, wire and narrow strip trains
GHG-CrNiMo 370	350-390	609-639	48-53
GHG-CrNiMo 390	370-410	624-654	51-55	Rolls for dual and triple blocks in blooming trains with low groove depth, weak hot-crack tendency in profile and wire trains
GHG-CrNiMo 410	390-430	639-668	53-57
GHG-CrNiMo 425	400-450	646-681	54-59
GHG-CrNiMo 440	420-460	661-688	56-61	Rolls for "Danielli" blooming blocks, rolls for profile and wire trains with medium groove depth, low hot-crack tendency and indefinite hardness spreading, reeler rolls and detaching rolls for the tube industry
GHG-CrNiMo 470w	450-490	681-706	59-63
GHG-CrNiMo 480w	460-500	688-712	60-64	Rolls for finishing blocks in fine steel section, wire and narrow strip trains sizing rolls, stretch-reducing rolls, roller shells for coarse ceramics, crushing rolls for coarse ceramics
GHG-CrNiMo 500w	480-530	700-729	63-67
GHG-CrNiMo 520w	500-540	712-734	64-68
GHG-CrNiMo 550w	530-570	729-750	67-71	Roll discs for "Kocks" blocks
GHG-CrNiMo 580w	560-600	745-765	70-73
GHG-CrNiMo 620w	600-640	765-783	73-76	Roller shells for coarse ceramics