Ci ntsa ob chav chamfer 12l14 yooj yim txiav steel HLUB HLUB POLISHED 12L14 Yooj Yim Txiav Hlau

Txheem: Astm A108-1999

Cov txheej txheem khoom: Polishing, sib tsoo

Dawb Txiav Hlau Rau Kev Siv

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

Tshuaj lom neeg cov tshuaj:

C: ≤0.15

Manganese MN: 0.85 ~ 1.15

P: 0.04 ~ 0.09

Lead PB: 0.15 ~ 0.35

Cov Cuab Yeej Cuab Yeej Cuab Yeej

Tensile zog σB (Mpa): (kub dov) 390 ~ 540;

(Cop Drawacy) Inch 8 ~ 20: 530 ~ 755;

Elongation Δ5 (%): (kub dov) ≥22;

Hardness: (Kub Rolling) ≤170HB;

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