䓽zُrԓx䓽zڲُrԓעЩ䓽zărҲǸaƷ|ͬͬõ䓽zrf͑Ҫֻ rˮaƷ|uA˾a䓽z䓽zи˜aҪҲdzҹ˾ĮaƷֱNڽK˿͑]gٍr҂Ŀ͑
䓽zӲȸo䓽zиdzáAͿ^Ҫ;߀һЩA̎A̎䓲A̎^x߀ҪxmĮaƷ
̖N0.3mm0.4mm0.5mm0.6mm0.8mm1.0mm1.2mm1.4mm1.7mm2.0mm2.5mm
Wɷ֣
̼C0.45~0.75
iMn0.401.20
裨Si0.10~0.30
S<0.04
ףP<0.04
䓽zą
ƽӲȣ1.0mm5153HRC525561HV
1.5mm4145HRC388436HV
Ӳƫƫ1.0HRC40HV
ȣ1.0mm1750~2150Mpa
1.5mm1250~1450Mpa
Mv׃εwM׃εw
ܶȣ7.8g/cm3