JIS G3454 carbon ERW steel yeeb nkab,
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| Style | Technical | Khoom siv | Txuj | Qib | Kev siv |
| Electric Resistance Welded (ERW) steel yeeb nkab | Ntau zaus | Carbon Steel | API 5L PSL1 & PSL2 | GRB, X42,X46,X52,X60,X65,X70, thiab lwm yam | Kev thauj cov roj thiab roj |
| ASTM A53 | GRAB, GR | Rau Structure (Piling) | |||
| ASTM A252, ASTM A252 | GR.1, GR.2, GR.3 | ||||
| TS EN 10210 BS | S275JRH, S275J0H, S355J0H, S355J2H, thiab lwm yam | ||||
| TS EN 10219 EN 10219 | S275JRH, S275J0H, S355J0H, S355J2H, thiab lwm yam | ||||
| JIS G3452 | SGP, thiab lwm yam | Kev thauj mus los ntawm cov kua dej qis | |||
| JIS G3454 | STPG370, STPG410, thiab lwm yam | Kev thauj mus los ntawm High-pressure kua | |||
| JIS G3456 | STPG370, STPG410, STPG480, thiab lwm yam | kub kub steel kav |
Cov yeeb nkab xaj raws li qhov tshwj xeeb no yog rau kev pabcuam siab ntawm qhov kwv yees qhov siab tshaj plaws ntawm 350 ℃.
Cov yeeb nkab liab qab, txheej dub lossis kub dip zinc-coated ( customized);
Nyob rau hauv bundles nrog ob paj rwb slings;
Ob qhov xaus nrog qhov kawg tiv thaiv;
Plain kawg, bevel kawg (Thaum xav tau los ntawm tus neeg yuav khoom thiab S≤22mm, cov yeeb nkab kawg ntawm yuav tsum tau bevelled, degree: 30 ° (+ 5 ° ~ 0 °), thiab phab ntsa tuab ntawm cov hauv paus hniav tsis raug txo los ntawm <2.4 mm.);
Kos npe.
Qib thiab tshuaj muaj pes tsawg leeg (％)
| Qib | C≤ | Si ≤ | Mn | P≤ | S≤ |
| TIAB SA 370 | 0.25 | 0.35 Nws | 0.30-0.90 Nws | 0.040 ib | 0.040 ib |
| TIAB SA 410 | 0.30 Nws | 0.35 Nws | 0.30-1.00 Nws | 0.040 ib | 0.040 ib |
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| Mechanical Properties | ||||||
| Qib | Tensile zog | Yield zog | Elongation% | |||
| N/m ㎡ | N/m ㎡ | No.11 lossis No.12 test pieces | No. 5 test pieces | No. 4 test piece | ||
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| Ntev | Hloov | Ntev | Hloov | |
| TIAB SA 370 | 370 nqi | 215 feeb | 30 feeb | 25 feeb | 28 feeb | 23 feeb |
| TIAB SA 410 | 410 feeb | 245 feeb | 25 feeb | 20 feeb | 24 feeb | 19 feeb |
Tolerance ntawm OD thiab WT
| Kev faib | Tolerance ntawm OD | Tolerance ntawm WT | ||
| Txias tiav ERW Steel Yeeb Nkab | 24A los yog qis dua | +/- 0.3 hli | Hauv qab 3mm
3mm sau | +/- 0.3 hli
+/- 10% |
| 32A los yog ntau dua | +/- 0.8% |
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| Rau cov kav dej ntawm nominal loj 350A lossis tshaj, qhov kam rau ntawm OD tej zaum yuav txiav txim siab los ntawm qhov ntev ntev.Hauv qhov no, qhov kam rau ua yuav tsum yog +/- 0.5% | ||||
JIS G3454 ERW steel yeeb nkab stamping kev pab cuam yog ib qho tseem ceeb ntawm ERW steel yeeb nkab fabrication thiab ntau lawm.JIS G3454 yog Japanese Industrial Standard qhia cov pa roj carbon steel kav rau kev pabcuam kub siab.ERW (hluav taws xob tsis kam welded) steel yeeb nkab yog tsim los ntawm cov txheej txheem uas cov npoo ntawm cov ntawv hlau los yog cov strips yog rhuab thiab fused ua ke nyob rau hauv siab, tsim ib tug seamless thiab muaj zog yeeb nkab.Stamping cov kev pabcuam koom nrog hauv kev tsim khoom ntawm JIS G3454 ERW Steel Pipes ua lub luag haujlwm tseem ceeb hauv kev ua kom ntseeg tau qhov zoo thiab kev ntseeg siab ntawm cov kav dej no.Stamping cov kev pabcuam suav nrog kev siv cov tshuab ua haujlwm siab los tsim cov kav dej rau qhov xav tau qhov ntev thiab qhov tshwj xeeb.Cov txheej txheem no ua kom cov yeeb nkab tau du thiab meej, thiab cov phab ntsa tuab zoo ib yam thoob plaws nws qhov ntev.Ib qho txiaj ntsig tseem ceeb ntawm JIS G3454 ERW steel yeeb nkab xovxwm cov kev pabcuam yog lub peev xwm tsim cov kav dej nrog qhov tseeb qhov tseeb thiab kev ncaj ncees.Cov kev pabcuam stamping tso cai rau kev tswj nruj dua ntawm cov txheej txheem tsim khoom, kom ntseeg tau tias cov yeeb nkab ua tau raws li cov qauv tsim nyog thiab cov lus qhia tshwj xeeb.Tsis tas li ntawd, kev siv cov tshuab ua haujlwm siab thaum lub sij hawm stamping cov kev pabcuam pab tsim cov kav dej nrog lub zog tshwj xeeb thiab ua haujlwm ntev, ua rau lawv haum rau ntau yam kev siv hauv kev lag luam xws li roj thiab roj, kev tsim kho, thiab tsheb.Tsis tas li ntawd, JIS G3454 ERW steel yeeb nkab nias cov kev pabcuam tseem tuaj yeem tsim cov kav dej du thiab zoo nkauj.Cov tshuab siv rau hauv cov kev pabcuam stamping tuaj yeem polish thiab kho qhov chaw ntawm cov yeeb nkab, uas ua rau cov khoom zoo nkauj dua.Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov ntawv thov uas cov kav dej raug nthuav tawm lossis pom thaum nws txhim kho tag nrho cov tsos thiab ua kom tiav qhov zoo.Hauv kev xaus, JIS G3454 ERW Steel Pipe pressing cov kev pabcuam yog ib feem tseem ceeb ntawm cov txheej txheem tsim khoom, ua kom cov kav dej zoo thiab txhim khu kev qha rau ntau yam kev pabcuam siab.Nws lees paub qhov tseeb ntawm qhov tseeb, kev sib koom ua ke, thiab qhov chaw du, ua rau cov kav dej no haum rau ntau yam kev lag luam thiab kev siv.
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