Chaw tsim khoom:cov raj rau GB / T 6479 yuav tsum tau tsim los ntawm kub dov los yog txias kos.
Kev kho cua sov:Cov raj yuav tsum tau ua los ntawm kev kho cua sov, WT≤30mm normalizing & tempering, WT> 30mm quenching & tempering los yog normalizing & tempering.
Kev tshuaj xyuas & kuaj:Chemistry muaj pes tsawg leeg tsom xam, ntsuas nro, ntsuas flattening, flaring test, impact test, macroscopic test, non-metallic inclusions, NDT, deg soj ntsuam thiab dimension check.
Ntev:4000mm;6000mm;9000mm;12000mm;thiab lwm yam.
Max tsim ntev:30 meters, kuj U dabtsi yog khoov, finning, studded txheej txheem yuav muab.
Kev xaiv:txhaj tshuaj blasting rau sab nraud kom tshem tawm cov nplai zeb, ua rau cov xim matte;nto polishing raws li kev npaj ua haujlwm rau kev ua haujlwm ntxiv, piv txwv li finning.
OD:Φ50-325mm.
WT:3-55 hli.
Tolerance ntawm OD:± 0.75%.
Tolerance ntawm phab ntsa thickness:-10% - + 12.5%.
Roundness ntawm sab hauv thiab sab nraud diameters:80% ntawm qhov kev kam rau ntawm lub sab nraud txoj kab uas hla tsis tshaj.
Lub inclination ntawm lub ntsej muag kawg:≤ 2 hli
Kev ncaj:1 hli / 1m
