Khoom zoo thiab Hardness Paub meej Cov khoom zoo: 1. Durable, yooj yim, kev ruaj ntseg zoo 2. Muaj ntau yam specifications thiab qauv, uas yuav tsum customized raws li cov specifications 3. Uniform thickness, txhim khu kev qha zoo, yooj yim mus use thiab ntau yam kev siv 4 . Cov khoom muag txaus thiab qhov chaw muab khoom Hardness Paub meej: Lub nto Rockwell hardness ntawm annealed pa carbon steel feem ntau yog 55+-3, thiab lub hardness ntawm unannealed txias-kuav los tiag-kuav los tiag strip steel yog abov ...