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Yooj Yim Txiav Hlau 11smn30 Lub Teeb Hloov Chaw Centerless Polishing Rod Ntev Ntev Rod Ntev Ntev Polishing Qws Ntev Ntev Rod Ntev Ntev Polishing Rod Ntev Ntev Rod Ntev Ntev Polishing Rod Ntev Ntev Pol

Khoom npe: Cov hlau txiav dawb

Qib: 11Smn30 (1.0715) Dawb txiav hlau

11SMN30 DAWB Txiav Hlau Rau Kev Siv

 

 

11SMN30 dawb txiav tempering Cheebtsam:

Cov pa roj carbon C: ≤0.14

Manganese MN: 0.90 ~ 1.30

P: ≤0.11

Sulphur S: 0.27 ~ 0.33

 

HB 112 ~ 169

                

Chaw tsim khoomKhoom11SMN30
Ua Te TechnicForging, Kho Deg Kho2.0-95 (hli)
Khoom Ntawm Cov Khoom Piav QhiaKev siv










Steel Rod



Steel Rod



Steel Rod



steel rod



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