Q345qD??????????????????
10??2000??8000+ 32??
12??2000??8000+ 56??
12??2000??8000+ 70??
14??2000??8000+ 35??
14??2000??8000+ 70??
????Q345qD???????????
??????????????????????????????г??????????????????????????????;????????????????
?г????????????????г??????????????????????????????????????????????????????
????????????????????????????????????????????????????????????????????????????
??????????????????????
Q345qD???????????????????
??????????棬24???????????г??????????????????С????????????????????????????BCI????????BPI?????????????棬BDI994??20??BCI1559??120??BPI1054??2??BSI930??6,BHSI464??4????????????????????????????12.730???/??????????0.390???/??(15-18???);?????????????5.494???/?????0.074???/??(15-18???);????????????8-9???/??(15-18???);?????????????13.5-14.5???/??(2-3???)???????????????????壬????????й??????????4.5-5.5???/??(7-8???);5.5-6.5???/??(5-6???)?и??????????????8??24?????6.5mmHPB300??????????2393?/?????????????????13?/???20mmHRB400E???????????2271?/?????????????????12?/???20mm???????????????2265?/?????????????????15?/???8mm???а????????2463?/?????????????????10?/???20mm???а????????2178?/?????????????????9?/???20mm????????????2325?/?????????????????12?/???3.0mm?????????2209?/?????????????????8?/???4.75mm?????????2139?/?????????????????7?/???
???????????????????
???????????????????????????壬????????????????????????????????????β????q????????????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????
?????????????Q345qD????????????????