10B21 yog cov khoom siv carbon steel, feem ntau siv los ua bolts, screws thiab lwm yam fasteners. Chav kawm 8.8 yog ib qho cim qhia txog lub zog ntawm lub ntsia liaj qhov rooj, qhia tias qhov tsawg kawg nkaus tensile lub zog ntawm lub ntsia liaj qhov rooj yog 800MPa, thiab lub zog tensile yam tsawg kawg nkaus yog 0.8 npaug ntawm lub zog tawm los. Raws li qhov tshwj xeeb, 8.8 chav kawm bolts feem ntau yog ua los ntawm cov ntaub ntawv carbon steel, cov ntaub ntawv muaj xws li 45 steel, 40Cr thiab lwm yam. 10B21 kuj yog cov khoom siv carbon steel, tab sis nws lub zog yog me ntsis qis dua 45 steel thiab 40Cr. Rau Chav Kawm 8.8 bolts ua los ntawm cov khoom siv 10B21, txoj kab uas hla thiab qhov ntev uas siv tau yuav tsum tau txiav txim siab raws li cov qauv tshwj xeeb thiab cov qauv tsim.
10B21 tuaj yeem ua qhov loj li 8.8 chav kawm bolts
Cov Khoom Nrov
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