A672 B60 Carbon Steel EFW Yeeb Nkab
MOQ: 1 Tons
Thauj Pob: Txheem-Seaworthy-Packing
A672 B60 carbon steel electric fusion yeeb nkab yog ib qho American standard carbon steel yeeb nkab, haum rau nruab nrab, kub thiab siab kub ib puag ncig.
A672 B60 EFW yeeb nkab Specification
| Cov khoom npe | Carbon steel kav |
| Txuj | ASTM AISI JIS DNS GB thiab lwm yam |
| Tshooj Duab | Square / Round / Rectangle / Oval / Deformed |
| Thickness | 1mm ~ 12 hli |
| Sab nraud | 20mm ~ 508mm |
| Cov txheej txheem | Cold Rolled / Kub Dipped / ERW / SAW / EFW |
| Khoom siv | A672 B60/B70/C60/C65/C70 |
| Kev xa khoom | 5-15 Hnub |
| Pob | Ntim, lossis nrog txhua yam xim PVC lossis raws li koj xav tau |
| MOQ | 1 ton |
| Cov nqe lus them nqi | 30% TT+70% tshuav nyiaj li cas |
| Ua siab ntev | ±1% |
| Chaw thau khoom chaw nres nkoj | Tianjin / Qingdao / Shanghai Chaw nres nkoj |
| Kev tshuaj xyuas | Factory Inspection daim ntawv pov thawj yuav muab rau txhua qhov kev xa khoom. |
Specification A672 yuav tsum:
S1. Kev Nyuaj Siab thiab Khoov Kev Xeem
Sl.1 Tensile xeem nyob rau hauv raws li 8.1 thiab khoov xeem raws li 8.2 yuav tsum tau ua nyob rau hauv cov qauv uas sawv cev rau txhua qhov ntev ntawm cov yeeb nkab.
S2. Charpy V-Notch Test (rau cov yeeb nkab nrog nominal phab ntsa thicknesses ntawm nti thiab saum toj no)
S2.1 Requirement-Tshwj tsis yog tau teev tseg hauv daim ntawv xaj khoom, qhov kev kuaj pom tau zoo yuav tsum zoo ib yam li qhia hauv Table Al.15 ntawm daim ntawv thov tshwj xeeb A 20/A 20M. Xwb, qhov ntsuas kub yuav yog 10 degree F
(-12 degree ).
S2.2 Number of Specimens-Txhua qhov kev xeem yuav tsum muaj tsawg kawg yog peb tus qauv.
S2.2.1 Ib qho kev kuaj hlau hauv paus yuav tsum tau ua nyob rau ntawm qhov ntev ntawm cov yeeb nkab rau txhua qhov cua sov, txhua qhov kev kho cua sov, thiab txhua qhov nominal phab ntsa thickness. Rau cov yeeb nkab qib 10, 11, 12, thiab 13, ib qho kev sim hlau yuav tsum tau ua rau txhua qhov cua sov rau txhua qhov loj thiab phab ntsa tuab.
S2.2.2 Kev sim thawj zaug ntawm vuam hlau thiab tshav kub cuam tshuam cheeb tsam (HAZ) hlau yuav tsum tau ua raws li NB 4335, Tshooj III ntawm ASME Boiler thiab Pressure Vessel Code.
S2.3 Tus Qauv Qhov Chaw thiab Kev Taw Qhia:
S2.3.1 Base hlau qauv rau kev ntxhov siab, normalized, thiab normalized thiab tempered steel yeeb nkab yuav tsum tau ua raws li cov kev cai rau tensile specimens nyob rau hauv lub cev ntawm no specification.
S2.3.2 Base hlau cov qauv rau quenched thiab tempered steel yeeb nkab yuav tsum tau ua raws li NB 2225, Tshooj Ill ntawm ASME Boiler thiab Pressure Vessel Code.
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