Txias Taub Hau Hlau Hlau Txias Dragn Khaub Ncaws ML45 Hlau Qws Me Me Loj Disc Round Hlau

Cov Khoom Siv: Khaub thuas taub hau

Hom Tshuaj: Ml45

Txheem: GB / T 6478-1986

● Cov tshuaj chemicalition:

Cov pa roj carbon C: 0.42 ~ 0.50 (cov kev sib txawv: ± 0.01)

Silicon Si: ≤0.20

Manganese MN: 0.30 ~ 0.60 (Kev Ruaj Ntseg: ± 0.02)

Phosphorus p: ≤0.035

Nickel Ni: Tso cai cov ntsiab lus tseem ceeb ≤0.020

Tooj liab: tso cai cov ntsiab lus tseem ceeb ≤0.020

Lub zog tensile σB (MPA): ≥598 (61)

Tos Lub Zog σS (MPA): ≥353 (36)

Elongation Δ5 (%): ≥16

Hardness: (Kub Rolling) ≤, indentation inch ≥ 4.0mm;

● Kev kho tshav kub cov txheej txheem Specifications thiab MEALLographic Cov Qauv:

● Cov zaub mov xa tuaj: Muab xa hauv lub xeev kub.

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