This standard specifies the test methods for the microstructure, hardness and depth of the boronized layer. This standard is applicable to the boronized layer of carbon steel, alloy steel and cast iron, but not to the boronized layer of refractory metals and alloys. JB/T 7709-1995 Test methods for microstructure, hardness and depth of boronized layer JB/T7709-1995 Standard download decompression password: www.bzxz.net
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People's Republic of China Press Machinery Industry Standard JB/T 77091995 1995-06-204 1996-01-01 G R2 0P uDEe/ GB7232 GB9790 JB/T5069 ZBJ36011 JB/T5069 Bottle FeB! Fe,Bwww.bzxz.net [K,FeCN。 p3H,o] [K,Fe CN。 ] | 8GCr15g2Cr13g1 1996-01-01 1 and 2 bottles JB/T77091995 FeBFe,B FeBFeB FeBFeB FeBgFe B hCr12Mo JB/T77091995 g9Crsi i3Cr2W8 jGCr15 JB/T77091995 k2Cr13 GB9790 1200~2000HV||tt ||JB/T5069g 200~300 JB/T77091995 Must 2 paintings 1800~2300HVFe,B ZBJ36011 1300~1500HV h= hi+h,+hs+h4+h,/5 0.35~0.60 JB/T77091995 h=E+E #+E 4+ 1+E picture/2+# E picture/2+ 4+E4/2+Felt E picture/2]/5| |tt||hh+h,+h,+h, +h JB/T77091995 880A1230 1 seat since 1996 100044 12,000 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.