Yuav ua li cas yuav Sharp Hniav Riam?

Peb tau paub tseeb tias Sharp Blade Riam ua tau raws li cov xwm txheej hauv qab no:

1.Zoo raw khoom-xws li 5cr15,1.4116, ntau Carbon caij, zoo dua,

Vim tias cov pa roj carbon ntau cov hlau muaj, qhov siab dua hardness nws yuav yog,

Qhov siab dua hardness nws yog, lub sharper riam hniav yuav yog.

2.Ua kom lub Hardness ntawm kev kho cua sov yog siab txaus, ib txwm peb yuav tsum xyuas kom meej

Lub Sharp Hniav Riam hardness ntau tshaj 52 °.

Chaw nyob: Thib tsib ntawm District peb, Shili Industrial Zone, Yangdong District, Yangjiang nroog, Guangdong xeev.

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