Lub Sij Hawm Ntev Ntawm Y40MN Hex Bar Txias Dragn Y40MN Hex Lub Qub Hlau

Qib: Y40MN Dawb Txiav Hlau

Txheem: GB / T8731-88 GB / T8731-2008

Cov txheej txheem khoom: Polishing, sib tsoo

Siv raws li tig hlau, siv dav hauv cov txheej txheem.

Y40MN Yooj Yim Txiav Tem Siab Tshuaj Ntau Yam Khoom Siv Hluav Taws Xob:

Cov pa roj carbon C: 0.37 ~ 0.45

MANMANESE MN: 1.20 ~ 1.55

Sulphur S: 0.20 ~ 0.30

P: ≤0.05

Tensile lub zog RM / (N / MM2) (kub dov) 610 ~ 900;

Elongation tom qab tawg a (%): (kub dov) ≥12;

Ntu Shrinkage Z / (%): (Kub Rolling) ≥20

Brinell Hardness: (Kub Rolling) ≤24HBW;

Cov Khoom Siv Neeg Kho Tshuab Ntawm Cov Khaub Ncaws Txias

Brinell Hardness: (Khaub thuas Drawn) ≤196 ~ 255HBW;

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