JIS G3445Carbon steel tubes rau lub hom phiaj ntawm kev siv tshuab

Japanese Industrial Standard no qhia txog cov pa roj carbon steel raj, tom qab ntawd hu ua "tubes", siv rau tshuab, tsheb, tsheb kauj vab, rooj tog zaum, khoom siv thiab
lwm yam tshuab.

Cov raj yuav tsum tau tsim los ntawm cov txheej txheem seamless, hluav taws xob tsis kam vuam txheej txheem, los yog lub taub qab vuam txheej txheem, thiab lwm cov qib yuav tsum tau tsim los ntawm cov txheej txheem seamless lossis hluav taws xob tiv thaiv vuam txheej txheem.Lub raj yuav tsum tau tsim los yog ua kom txias txias, lossis lawv yuav tsum raug kho kom haum rau cua sov.

Cov hlab yuav tsum xyaum ncaj.thiab ob qhov kawg yuav tsum nyob rau ntawm txoj cai kaum rau lub axis ntawm lub raj.Cov raj yuav tsum tsis muaj qhov tsis xws luag rau kev siv.