T=(0.5~0.7)*k*σs*As*d/1000 Ma waena o lākou, T: ka hoʻopaʻa ʻana i ka torque, Nm k: ka hoʻopaʻa ʻana o ka ikaika, ka mea maʻamau 0.12 σs: ka ikaika e hoʻohua ai i nā mea bolt, Mpa E like me: kahi ʻāpana cross-sectional weliweli, mm2 d: Nominal diameter, mm Hebei Chengyi Engineering Materials Co., Ltd.
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