Yooj Yim Txiav Steel Y40MN Hlau Qws Qws Rod Bright Rod Txias Drug Txias Drawn Hloov Hloov Hlau

Qib: Y40MN Dawb Txiav Hlau

Cov txheej txheem khoom: Polishing, sib tsoo,

Cov Khoom Lag Luam: Round pas nrig, hexagonal pas nrig, square pas, square pas, cov khoom siv puab

Dawb Txiav Hlau Rau Kev Siv

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

Tshuaj lom neeg cov tshuaj:

Cov pa roj carbon C: 0.37 ~ 0.45

Silicon Si: 0.15 ~ 0.35

MANMANESE MN: 1.20 ~ 1.55

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;

Tensile lub zog RM / (N / MM2) (txias kos) φ8-φ20: 610 ~ 900;

Elongation tom qab tawg a (%): (cov duab tsis txias) ≥6;

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