JIS G3429 STH22 seamless raj tuaj yeem tiv taus kev kub siab thiab siv los ua cov hlab ntsha siab thiab cov raj roj gas. Txhawm rau kom ntseeg tau tias qhov ua tau zoo ntawm JIS G3429 STH22 cov raj, cov lus qhia tshwj xeeb yuav tsum tau ua kom cov raj xa mus rau qhov kev xeem zoo nrog cov hauv qab no:
a) Hydraulic xeem
Qhov twg tau teev tseg los ntawm tus neeg yuav khoom, cov yeeb nkab yuav tsum raug rau lub siab tsis pub tsawg tshaj li lub siab uas tau teev tseg thiab tuav ntev li 5 vib nas this los ntsuas nws lub peev xwm los tiv thaiv qhov siab tsis muaj qhov to. Yog tias tsis tau teev tseg, cov yeeb nkab yuav tsum raug rau lub siab ntawm 5 MPa lossis ntau dua thiab tuav ntev li 5 vib nas this txhawm rau kuaj nws lub peev xwm los tiv thaiv lub siab yam tsis muaj qhov to.
b) Kev sim tsis muaj kev puas tsuaj
Txoj kev xeem yog raws li nram no. Yog tias muaj lwm yam kev sim uas tsis muaj kev puas tsuaj raws li tau teev tseg hauv Japanese Cov Qauv Kev Lag Luam yuav tsum tau ua, cov kev sim yuav tsum tau pom zoo los ntawm Cov Neeg Yuav Khoom thiab cov chaw tsim khoom.
1. Txoj kev kuaj ultrasonic yuav tsum ua raws li JIS G 0582. Txawm li cas los xij, kev ntsuam xyuas yuav ua tau siv qhov ntsuas nruj dua li qhov ntsuas qhov tsis sib xws ntawm UD. 2.
2. Eddy txoj kev xeem tam sim no yuav tsum ua raws li JIS G 0583. Txawm li cas los xij
Txawm li cas los xij, kev ntsuam xyuas yuav ua tau siv qhov kev faib ua kom nruj dua li qhov kev faib tsis sib xws ntawm EY.
GNEE Group, raws li tus neeg lag luam nto moo thoob ntiaj teb, hais kom muab cov neeg siv khoom zoo siab cov kav dej thiab fittings raws li lub teb chaws tus qauv, thiab peb tau ntawv pov thawj los ntawm ISO thiab SGS cov koom haum. Yog tias koj xav tau qhov zoo thiab tsim nyog JIS G3429 STH22 siab siab yeeb nkab, thov koj xav tiv tauj peb.
JIS G3429 STH22 Seamless Steel Yeeb Nkab Specification
| Khoom npe | Seamless Steel Yeeb Nkab |
| Kev tsim khoom | Kub Rolled / Cold Rolled / Txias Drawn |
| Loj | OD: 10.3mm -1219mm Dav: 1.65-60mm Ntev: 1.5m -12m Phab ntsa Thickness: Raws li SCH thiab SCT qauv |
| Ua siab ntev | ±1% |
| Kev kho saum npoo | Polished / Oiled / Dub / Varnishing / Sandblast / Pickling |
| Xaus | Plain Ends; Beveled / Slope xaus; Xov Xaus |
| Pob | Bundle los yog Bulk |
| Txuj | Tshuaj muaj pes tsawg leeg | ||||||
| Qib | C | Si | Mn | P,S | Ni | Mo | Cr |
| STH 22 | 0.33 - 0.38 | 0.15 - 0.35 | 0.40 - 0.90 | Tsawg dua lossis sib npaug rau 0.030 | Tsawg dua lossis sib npaug rau 0.25 | 0.15 - 0.30 | 0.80 - 1.20 |
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