Specification :

CAST STEEL GRIT

Sizes: GP120, GP80, GP50, GP40, GP25, GP18, GP16, GP14, GP12, GP10

GL120, GL80, GL50, GL40, GL25, GL18, GL16, GL14, GL12, GL10

GH120, GH80, GH50, GH40, GH25, GH18, GH16, GH14, GH12, GH10

Cast Steel Grit Main technique index sign

Chemistry composition
C( C) 0.70^ 1.20%

Manganese( Mn) 0.60^ 1.20%

Si( Si) 0.40^ 1.20%

S( S) d0.05%

P( P) d0.05%

Average degree of hardness

 500g The lotus carried a measurement
GP Steel Grit 42^ 50HRC ( 399^ 509HV)

GL Steel Grit  56^ 60HRC ( 620^ 713HV)

GH Steel Grit 63^ 66HRC ( 795^ 889HV)