>> P.131
WeightconversiontableNewtonNkilogramkgf123456789100.10200.20390.30590.40790.50990.61180.71380.81580.91771.0197poundlb0.22480.44960.67440.89921.12401.34891.57371.79852.02332.2481NewtonNkilogramkgf20304050607080902.03943.05914.07895.09866.11837.13808.15779.177410010.1972poundlb4.49626.74438.992411.240413.488515.736617.984720.232822.4809Physical/mechanicalpropertiesofmetalmaterialsHardnessconversiontableMaterialnameSpecificgravityLinearexpansioncoefficient0~100°C×10-6LongitudinalmodulusHardnessGPaHBWSUJ2DD400SUS440CS25CS45CSUS303SUS304SUS416SUS420J2BrassCopperAluminumADC10FC200SPCCCeramic7.837.907.687.847.838.037.937.757.758.408.902.692.747.307.863.2612.510.210.111.812.817.316.39.910.419.116.024.022.010.411.71.52072042002062071931932002001051307071105211301690650580120217180150-400----217701,470(HV)Note1:Physicalpropertyvaluesinthetablearereferencevalues.Note2:SUJ2,DD400,andSUS440CarenormallyexpressedwithHRC,buttheyhavebeenconvertedtoHBWhereforcomparison.HRC68676665646362616059585756555453525150494847464544HV940900865832800772746720697674653633613595577560544528513498484471458446434HBW---(739)(722)(705)(688)(670)(654)(634)615595577560543525512496481469455443432421409131