31803 Tube Rau Cov Dej Boiler
Txhawm rau kom ntseeg tau tias kev ua tau zoo ntawm ASTM 31803 Yeeb Nkab Rau Cov Dej Boiler thaum lub sijhawm tsim khoom, nws yog ib qho tseem ceeb los tswj ntau yam txheej txheem tseem ceeb:
Tshuaj muaj pes tsawg leeg: Ua raws li cov qib siab ntawm cov pa roj carbon, chromium, npib tsib xee, molybdenum, thiab nitrogen kom ntseeg tau tias muaj kev tiv thaiv corrosion thiab lub zog txhua yam.
Kev kho cua sov: Kev kho kom zoo yog qhov tsim nyog kom ua tiav qhov xav tau sib npaug ntawm ferrite thiab austenite theem, uas yog qhov tseem ceeb rau cov khoom siv. Cov tshuaj annealing kub yog li ntawm 1020-1080 degree tom qab txias txias.
Vuam: Siv cov txheej txheem vuam tsim nyog xws li SMAW, GTAW, GMAW, thiab SAW nrog cov ntaub ntawv muab tub lim tsim nyog los tswj cov alloy qhov corrosion thiab lub zog.
Ua haujlwm txias: Yog tias ua tiav, nws yuav tsum tau ua raws li kev ntxhov siab-relieving annealing kom tsis txhob qhia cov kev ntxhov siab uas yuav cuam tshuam rau cov yeeb nkab kev ua haujlwm.
Kev kuaj tsis yog kev puas tsuaj (NDT): Siv cov txheej txheem xws li kuaj ultrasonic, radiography, lossis eddy tam sim no kuaj kom paub tseeb tias tsis muaj qhov tsis xws luag lossis tsis zoo.
Nto tiav: Cov yeeb nkab saum npoo yuav tsum du thiab tsis muaj nplai lossis qhov tsis xws luag, uas tuaj yeem ua tiav los ntawm cov txheej txheem xws li pickling thiab polishing.
Mechanical Properties: Ua kom muaj kev ua raws li tensile lub zog, tawm lub zog, elongation, thiab hardness yuav tsum tau teev raws li cov qauv xws li ASTM A790.
Quality Assurance: Ua raws li kev soj ntsuam nruj thiab ntsuas cov txheej txheem kom lav cov yeeb nkab ua tau raws li txhua qhov kev lag luam thiab cov qauv siv tshwj xeeb.
| MOQ | 1T |
| Trade Term | EXW, FOB, CIF, CFR thiab lwm yam. |
| Them Nyiaj | T / T, L / C, Nyiaj ntsuab, thiab lwm yam. |
| Lub sij hawm xa tuaj | 7-10 hnub |
| Cov ntawv pov thawj | SGS, ISO, thiab lwm yam. |
FAQ:
Q: Dab tsi yog qhov zoo ntawm koj lub tuam txhab?
A: Ua ntej tshaj plaws, peb muaj qhov zoo tshaj plaws hauv nqe.
Qhov thib ob, kev tswj hwm nruj kuj tau ua raws li cov khoom lag luam zoo. Tsis tas li ntawd, peb yuav nruj me ntsis ua raws li cov kev cai ntawm cov neeg siv khoom los muab cov neeg siv khoom nrog cov kev pabcuam zoo meej
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Cov khoom yuav raug xa tawm sai li sai tau raws li qhov kev lees paub zoo.
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