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Siv: Kev ntsuas bolts, screws, neeg rau, pob qij txha, lub caij nplooj ntoo hlav, thiab lwm yam.

Nth12 pub dawb txiav steel nrog JIS G 4804-1999

SUM1212 DAWB TXIV TUB KOOM HAUM:

MANMANESE MN: 0.60 ~ 0.90

P: 0.040

Sulphur S: 0.08 ~ 0.13

Cov Cuab Yeej Cuab Yeej Cuab Yeej

Tensile zog σB (Mpa): (kub dov) 450 ~ 600;

kev nyuaj

(kub dov) ≤175hb;

                

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Steel Rod



Steel Rod



Steel Rod



Steel Rod



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