Tswjhwm Thiab Ntawv Pov Thawj
Q1: Cov ntawv pov thawj tseem ceeb yog dab tsi rau Q355B yeeb nkab tuam ntxhab?
A1: Cov tuam txhab yuav tsum ua raws ntau daim ntawv pov thawj:
ISO 9001Rau cov tshuab tswj hwm zoo
ISO 14001Rau kev tswj hwm ib puag ncig
CE NpavRau kev ua lag luam European
API 5LDaim Ntawv Pov Thawj rau Kev Siv Hluav Taws Xob
En 10204 3.1 / 3.2Ntawv Pov Thawj Xyuas
Thib peb -}}} aud party allitsLos ntawm Tüv, Lloyd Cov Ntawv Sau Npe, lossis DNV
Zeb -}} cov peev txheej tshwj xeebRau cov phiaj xwm tseem ceeb
Q2: Yuav ua li cas muaj tshuaj lom neeg tshuaj lom neeg thaum q355B yeeb nkab ntau lawm?
A2: Kev Ntsuas Cov Ntaub Ntawv Pov Thawj muaj:
Optical Opission Spectroscopy (OES)Rau tiag -} kev ntsuas
Qauv Kev Kuajlos ntawm txhua qhov kub ntawm cov hlau
Carbon sib npaug (CEV)Muab xam los xyuas kom meej weldability
Lw Elem Tswj(S tsawg dua los yog sib npaug rau 0.020%, p tsawg dua lossis sib npaug rau 0.025%)
Independent Lab Siv TauRau kev xa khoom xa tawm
Q3: Dab tsi muaj kev tiv thaiv ntev rau Q355B kav?
A3: Cov qauv tsim tawm Per En 10219 suav nrog:
Sab nraud ntawm lub taub: ±0.5% for D≤100mm, ±0.75% for D>100 hli
Phab Ntsa Thickness: ± 10% nominal thickness
Ncaj: Tsawg dua los yog sib npaug rau 1 hli ib meter ntev
Qho ntev: {+100 hli / -0mm rau random ntev
Li zaum: Tsawg dua los yog sib luag rau 1℃sib txawv rau txiav xaus
Q4: Cov cuab yeej siv cov neeg siv tshuab ua li cas rau cov ntawv pov thawj?
A4: Kev tshuaj ntsuam xyuas cov qauv xav tau:
Tensile cov ntawv xeem(Tawm siab dua lossis sib npaug rau 355Mpa, tensile 470-630MPA)
Charpy V - Cov Lus Cuam Tshuam Tsis Yooj Yimntawm 20℃(ntau dua los yog sib npaug ntawm 34J)
Khoov Xeem Ntawv(180℃yam tsis txhob tawg)
Hardness Kev Ntsuas(120-180 HB)
Cov kev ntsuam xyuas tiajRau welded kav
Q5: Cov ntaub ntawv dab tsi nrog tau lees paub Q355b Yeeb Nkab Xa Khoom?
A5: Cov ntaub ntawv uas yuav tsum muaj xws li:
Cov Ntawv Pov Thawj Ua Lag Luam (MTC)Nrog cov kub ti ntsuas tsheb
Cov Ntawv Qhia Txog Tshuaj Lom Neeg Tshuaj Ntsuam Xyuas
Tsis - Kev sim tshuaj (ndt)
Daim Ntawv Qhia Txheej Txheej Txheej
Peb {-} Cov Ntaub Ntawv pov thawj cov ntaub ntawv pov thawjRau cov ntawv thov tswj hwm
