Umuyoboro w'icyuma kitagira umwanda wa ASTM A312 TP304/304L

Kuki wafatanya na Womic Steel mu gukora imiyoboro ya Welded Steel?

Ingano zose:ERW kuva kuri 1/4″ kugeza kuri 24″, EFW/LSAW kuva kuri 8″ kugeza kuri 60″, ikubiyemo hafi ya byose bisabwa mu nganda mu miyoboro itagira umwanda.

Uburyo bwinshi bwo gusudira:ERW (high-frequency), EFW (TIG+SAW), na LSAW - duhitamo uburyo bwiza bujyanye n'umurambararo w'urukuta rwawe, ubunini bw'urukuta, n'ubuziranenge bw'ibikoresho byawe.

Uburyo bwo kuvura ubushyuhe bwuzuye:Gutera imiyoboro yose idafite ifuru ivanze mu itanura riva hasi cyangwa mu itanura rihoraho, bituma ubudahangarwa bw'ubudahangarwa buhura n'icyuma cyo hasi.

Amahitamo yo kurangiza ubuso:Irangi ryakuwemo ibinyampeke n'ibitonore, rikozwe mu buryo bw'urumuri (BA), rikozwe mu buryo bwa polished (180# kugeza 600#), indorerwamo (800#), kandi rikozwe mu buryo bw'amashanyarazi kugira ngo rikoreshwe mu miti.

Ibyiciro by'isuku n'imiti:Imiyoboro ikurikiza amategeko ya FDA na 3-A ifite ubushobozi bworoshye bwo gupima (Ra ≤ 0.4μm kuri farumasi).

Serivisi zo Kongera Agaciro:Gushyiramo imigozi, gukurura, uburebure bwihariye, gukata, gukurura, gukoresha amashanyarazi, no gusiga amashanyarazi - byose biri mu nzu.

Icyemezo cy’isi yose:ISO 9001:2015, PED 2014/68/EU (CE), EN 10204 Ubwoko bwa 3.2 hamwe n'igenzura rya TÜV/BV, NORSOK M-650 iyo ubisabye.

Ibikoresho bihiganwa:Ubufatanye bw’ingamba n’ibigo bitwara imizigo ku isi butuma ibicuruzwa bijyanwa ahantu hose bihendutse.

Inyandiko zuzuye:Impamyabumenyi z'ibizamini byuzuye, raporo za PMI, raporo za NDT, n'uburyo bwose bwo gukurikirana kuva ku mubare w'ubushyuhe kugeza ku muyoboro warangiye.

Hitamo Womic Steel Group nk'umufatanyabikorwa wawe wizeye ku miyoboro myiza ya ASTM A312 TP304/304L ikoreshwa mu byuma bita impumuro mbi ikoreshwa mu mishinga y'ibinyabutabire, ibiribwa, imiti n'amazi ku isi yose.

Ibibazo Bikunze Kubazwa (Ibibazo Bikunze Kubazwa) - Umuyoboro w'icyuma gishyushye wa ASTM A312 TP304/304L

Q: Ni irihe tandukaniro riri hagati ya TP304 na TP304L?
A: TP304 ifite ingano ntarengwa ya karuboni zigera kuri 0.08% n'imbaraga nyinshi (205 MPa yinjiza). TP304L ifite ingano ntarengwa ya karuboni zigera kuri 0.03% n'imbaraga nkeya (170 MPa yinjiza) ariko itanga ubudahangarwa bukomeye ku kwangirika hagati y'udusimba nyuma yo gusudira. Ku bijyanye no gusudira aho ubushyuhe nyuma yo gusudira budashoboka, TP304L irasabwa kugira ngo hirindwe imvura ya karuboni no gutuma irushaho kumera neza.

Q: Ese icyuma cya 304/304L gishobora gukoreshwa mu gutanga serivisi ku mazi yo mu nyanja?
A: 304/304L ifite ubushobozi buke bwo kurwanya ikiyiko cya chloride n'ubushyuhe mu mazi yo mu nyanja. Ku bijyanye n'amazi yo mu nyanja, ni byiza gukoresha imiterere ya duplex (S31803/S32205) cyangwa imiterere ya super austenitic (904L). 304 ishobora kwemerwa mu gace ka splash cyangwa ahantu hafite chloride nkeya, ariko 316L irimo molybdenum itanga ubushobozi bwo kurwanya ikiyiko. Kugira ngo amazi yo mu nyanja yose yinjire mu mazi yo mu nyanja, turagusaba icyuma cya duplex stainless.

Q: Ni irihe tandukaniro riri hagati ya ERW na EFW ku muyoboro w'icyuma kidashonga?
A: ERW (Electric Resistance Welding) ikoresha ingufu z'amashanyarazi n'umuvuduko wa mekanike ukoresha amashanyarazi menshi nta cyuma cyuzuza. Ni vuba kandi bihendutse ku dusate duto kugeza kuri metero (kugeza kuri santimetero 24). EFW (Electric Fusion Welding) ikoresha TIG cyangwa plasma arc hamwe n'icyuma cyuzuza, bigatuma habaho isudi ikomeye ikwiriye uburebure bunini n'inkuta ziremereye (zirenze santimetero 8). Imiyoboro ya EFW ifite kandi ibisabwa mu gusuzuma radiyo (100% RT kuri Class 1, 3, 5 kuri ASTM A358).

Q: Gutera umuti mu mazi ni iki kandi kuki ari ingenzi?
A: Gushyushya ibyuma bishyushya kugeza kuri 1010-1120°C hanyuma bigakonjeshwa vuba (amazi akazima). Ibi bishongesha karubide za chromium zishobora kuba zarakozwe mu gihe cyo gusudira, bigasubizaho ubudahangarwa bw'ingufu, kandi bigakuraho uburyo bwo kumva. Imiyoboro yose ya Womic ishyushye irasukwa nyuma yo gusudira kugira ngo icyuma gishyushye kibe gihuye n'ibikoresho by'ibanze.

Q: Ni iyihe nyunganizi utanga ku isuku/imiti?
A: Ku bijyanye n'imiti n'ikoranabuhanga rya biotech (WFI, PW, clean steam), turasaba ko irangi ry'imbere rikozwe mu buryo bw'amashanyarazi rifite Ra ≤ 0.38μm n'irangi ry'imashini ryo hanze (#180 kugeza #320). Ku biribwa no ku mata (amata, byeri, umutobe), irangi rya 180# kugeza 320# rikozwe mu buryo bwa polished (risa na 2B) ni ibisanzwe. Ku nganda rusange, irangi rya polished n'irya pickled cyangwa rikozwe mu buryo bwa anneal rirahagije.

Q: Ese mukora igenzura ry’imiyoboro itagira umugese (stainless) ku ruhande rwa gatatu?
A: Yego. Dufasha mu igenzura ryakozwe na SGS, BV, TÜV, DNV, ABS, LR, cyangwa undi mukozi wese watoranijwe n'umukiriya mu gihe cyo gukora no mbere yo kohereza. Impamyabushobozi zo kugenzura za EN 10204 Type 3.2 zitangwa buri gihe iyo zisabwe kandi zemejwe n'undi muntu.

Q: Ni ubuhe buryo bwo gupima budasenya (NDT) butangwa ku miyoboro idafite ifu ivanze?
A: Ku miyoboro ya ERW: Ikizamini cya Eddy Current 100% (ni ngombwa kuri ASTM A312). Ku miyoboro ya EFW/LSAW: Ikizamini cya Ultrasonic 100% (UT) cyangwa Phased Array UT (PAUT) hamwe na RT y'ahantu hakenewe. Ku miyoboro ya ASTM A358 Class 1, 3, 5: Ikizamini cya Radiographic 100%. MPI na dye penetrant (PT) biraboneka iyo ubisabye.

Q: Ni ryari igihe gisanzwe cyo gutanga umuyoboro w'icyuma kitagira umugese wa ASTM A312 TP304/304L?
A: Igihe gisanzwe cyo gukoresha: iminsi 21-30 ku miyoboro ya ERW (ubugari buto kugeza ku buringanire), iminsi 30-45 ku miyoboro ya EFW/LSAW (ubugari bunini). Gutumiza vuba (iminsi 14-21) bishobora kuboneka ku bwinshi buto. Ku bijyanye no kurangiza neza (isuku/imiti), ongeramo iminsi 7-10. Ku igenzura ry’umuntu wa gatatu, ongeramo iminsi 7-14.

Q: Ni izihe nyandiko zitangwa kuri buri kohereza?
A: Icyemezo cy'ikizamini cy'inganda (EN 10204 Ubwoko bwa 3.1), Raporo y'ikizamini cya Hydrostatic, Raporo y'igenzura ry'ibipimo, Raporo za Eddy Current/UT, Raporo ya PMI, Urutonde rw'ibipaki, Inyemezabwishyu y'ubucuruzi, n'icyemezo cy'aho byaturutse. Ibyemezo bya EN 10204 Ubwoko bwa 3.2 biboneka iyo ubisabye hamwe n'umutangabuhamya w'undi muntu.

Q: Ese ushobora gutanga imiyoboro mito ifite umurambararo wa santimetero 1/4 kugeza kuri 4″ yo gukoresha mu gushushanya?
A: Yego. Umurongo wacu wa ERW ukora imiyoboro mito y’ubugari bwiza kuva kuri 6.35mm (1/4″) kugeza kuri 114.3mm (4″). Dushobora gutanga imiyoboro imeze nk’iya annealed cyangwa iya pickled cyangwa iya annealed bright (BA). Iyi miyoboro ikoreshwa cyane mu miyoboro y’umwuka, imiyoboro iterwamo imiti, ndetse n’imiyoboro ya hydraulic.

Icyitonderwa cy'umushinga - Kwagura ibimera bya chimique byo mu Burengerazuba bwa Amerika

Igihugu:Leta Zunze Ubumwe za Amerika (Indiana, Ohio River Valley)
Igipimo n'Icyiciro:ASTM A312 TP304L (yemejwe n'abantu babiri 304/304L)
Ingano n'ingano:

OD 219.1mm (8″ NPS) × Gahunda ya 10S (3.76mm WIT) – metero 6.000 (hafi toni 120) – Uburyo bwa EFW

OD 273.0mm (10″ NPS) × Gahunda ya 40S (Uburemere bwa 6.35mm) – metero 4.500 (hafi toni 160) – Uburyo bwa EFW

OD 355.6mm (14″ NPS) × Gahunda ya 40S (7.92mm WIT) – metero 3.000 (hafi toni 180) – Uburyo bwa LSAW

OD 50.8mm (2″ NPS) × Gahunda ya 10S (2.77mm WIT) – metero 12.000 (hafi toni 66) – ERW (ID/OD y'ubuziranenge isuku)
Igiteranyo:Metero 25.500 (km 25.5), hafi toni 526

Ibisobanuro:Impande za ASTM A312 TP304L zakuwemo amazi n'ibinyampeke, zikozwe mu mazi (30° bevel, 1.6mm root face). Isuzuma ry'amazi ku gitutu cya 1.5× kuri ASME B31.3. Isuzuma ry'amashanyarazi (100%) ku miyoboro ya ERW; 100% UT wongeyeho 20% RT ku miyoboro ya EFW/LSAW. PMI (Indangamuntu y'ibikoresho byiza) kuri buri muyoboro. Icyemezo cya kabiri TP304/304L gifite imiterere ya karuboni yemejwe ≤ 0.03%. Impamyabushobozi z'uruganda kuri EN 10204 Ubwoko bwa 3.2 hamwe n'umuhamya wa SGS. Isoza ry'inyuma: ryakuwemo amazi n'ibinyampeke (2B ihwanye) ku miyoboro minini; Isoza ry'imbere n'inyuma rya 320# ryaseye ku mirongo y'isuku ya 2″. Isuzuma ryinshi rya Charpy ku -20°C ku miyoboro ya 14″ Sch 40S (ibipimo byasabwe ku munota wa 27J, byageze kuri 80-120J).

Porogaramu:Kwagura cyane uruganda rw'ibinyabutabire rukora polymeri zidasanzwe n'ibikoresho by'umwimerere. Imiyoboro ya 304L ishongeshejwe itanga serivisi nyinshi zirimo:

Imirongo ya 8″ na 10″: Gutwara solvent y'umwimerere (ethyl acetate, IPA, acetone) ikora kuri 80°C na 1.2 MPa

Umurongo wa santimetero 14: Gutunganya amazi atembera (aside gato, pH 4-6) kuri 95°C

Imirongo ya santimetero 2: Serivisi y'isuku ku mazi meza akoreshwa mu koza ibicuruzwa bya nyuma (ibisabwa mu rwego rw'imiti)

Imiterere y'Ubwubatsi:Uru ruganda rukora amasaha 24/7, rufite ibisabwa bikomeye byo kugenzura ingese. Uru ruganda rugizwe na za chloride (munsi ya 50 ppm) na aside organic. 304L yatoranyijwe hejuru ya 316L kugira ngo ikoreshe neza ikiguzi, ariko verisiyo ya carbon nke (304L) yari ngombwa kugira ngo hirindwe kongerwamo umwuka mu bice byasutswe kuko imiyoboro ikora ku bushyuhe buri hejuru (80-95°C). Imiyoboro y'isuku ya 2″ yasabaga kubahiriza FDA no kurangiza neza imbere (Ra ≤ 0.4μm) kugira ngo hirindwe ko bagiteri zikura kandi zigatuma zisukura neza.

Ibibazo bya tekiniki n'ibisubizo:

Ingaruka zo kwangirika hagati y’uduce duto tw’ibumba ku bushyuhe buri hejuru (95°C)– Umurongo w’amazi wa santimetero 14 ukora akazi gahoraho kuri 95°C, ugera ku rugero rwo gupima ubushyuhe kuri 304 (425-870°C). Iyo hakoreshwa 304 (0.08% C) isanzwe, imvura ya chromium carbide yashoboraga kubaho uko igihe kigenda gihita, bigatuma habaho kwangirika hagati y’uduce duto no kwangirika. Womic yatanze TP304L karubone ntarengwa ya karubone 0.03%. Twakoze isuzuma rya kwangirika hagati y’uduce duto hakurikijwe ASTM A262 Practice E ku bipimo byo gusudira byavuye muri buri cyiciro cy’umusaruro. Ibisubizo: nta gitero cyagaragaye hagati y’uduce duto, byemeza ko kidashoboka kwangirika burundu. Inzobere mu byuma by’umukiriya yasuzumye kandi yemeza ibisubizo by’ikizamini.

Gusukura ogisijeni no gukuraho ibara ry'ubushyuhe– Imirongo y’isuku ya santimetero 2 yasabaga irangi ry’imbere rikozwe n’amashanyarazi (Ra ≤ 0.4μm) kugira ngo isuku irusheho kuba nziza mu rwego rw’imiti. Uburyo gakondo bwo gusuka irangi ku migozi yo gusudira busiga ubushyuhe busigaye bushobora kubamo bagiteri. Womic yakoresheje uburyo bwihariye bwo gusudira amashanyarazi ku buso bwose bw’imbere bw’umuyoboro nyuma yo gusudira no gukurura umuti. Twanakoze ubushuhe bwa TIG dukoresheje ibyuma bikingira umwuka (argon backing) ku irangi ry’imbere kugira ngo tugabanye ogisijeni. Ubushyuhe bw’imbere bw’imbere bwapimye 0.28-0.35μm Ra, buri mu rugero rwa 0.4μm. Itsinda ry’ubuziranenge ry’umukiriya ryemeza irangi ry’imbere hakoreshejwe profilometry.

Igenzura rya PMI kuri 304L (karubone nkeya) ugereranyije na 304– Uru ruganda rwakoze ku bw’impanuka udupfunyika 3 (hafi toni 6) tw’umuyoboro wa santimetero 2 nka TP304 aho kuba TP304L. Ibi byagaragajwe na PMI (umuvuduko wa karuboni 0.057% ugereranije na 304L ntarengwa 0.03%). Womic yashyize mu kato utu dupfunyika, itanga raporo yo kutubahiriza amabwiriza, maze idusimbuza imiyoboro ya 304L ikwiye mu minsi 14 nta kindi kiguzi. Umukiriya yashimiye uburyo Womic yagenzuye ubuziranenge n’umucyo.

Umuyoboro munini ufite uburebure bwa santimetero 14 woroshye kugira ngo ugende neza– Umurongo wa santimetero 14 ukoresha imiyoboro ifite flange buri metero 6 mu gihe cyo kwiruka metero 500. Byari ngombwa ko ubushobozi bwo kwihanganira flange bwa 1.5mm kuri metero 3 budahinduka kugira ngo hirindwe ko flange ihinduka nabi. Womic yakoresheje imashini itunganya imigozi 4 ku miyoboro ya LSAW kandi akora igenzura rya laser kuri buri ihuriro rya metero 12. Ubuziranenge bwa nyuma bwagezweho: 0.8-1.2mm kuri metero 3. Guteranya flange byakomeje nta kibazo na kimwe cyo gushyira hamwe ku ngufu.

Gutanga imiti ku gihe gikwiye ku ruganda rukora imiti– Kwagura uruganda byubatswe mu kigo cy’imiti (kugabanya aho uruganda ruherereye, nta gufunga uruganda byemewe). Ibikoresho byo kugeza ibicuruzwa byagombaga gutegurwa kugira ngo bihuze na gahunda y’ubwubatsi, nta mwanya wo kubika ibintu wari uhari. Womic yakoranye na rwiyemezamirimo mukuru kandi itanga ibicuruzwa 14 buri cyumweru mu mezi 3.5, buri kimwe gihuye neza n’uburyo bwo gushyiraho. Twakoresheje amakamyo ya GPS-tracked flatbed kandi duha amakuru agezweho ya ETA ku muhuzabikorwa w’ibikorwa by’aho hantu. Ibirometero 25.5 byose by’imiyoboro byageze neza neza ku gihe cyagenwe, nta buryo bwo kubitwara kabiri cyangwa kubibika byari bikenewe.

Igenzura ry’umuntu wa gatatu (SGS) n’impinduka mu nyandiko– Rwiyemezamirimo wa EPC yasabye umutangabuhamya wa SGS ku igenzura ryose rya NDT n'ibipimo. Uyu mushinga wari ufite igihe gito (ibyumweru 32 kuva ku iguriro kugeza ku itangwa rya nyuma). Womic yashyizeho umugenzuzi w'inyandiko w'igihe cyose kugira ngo akore raporo z'igenzura ry'imiyoboro ya toni 526 mu bibanza 120 by'igenzura. Impamyabushobozi zose za EN 10204 Type 3.2 zatanzwe mu minsi 10 nyuma y'igenzura rya nyuma. SGS yasinye buri bibanza mu minsi 5. Ipaki y'inyandiko yemejwe nta kibazo.

Ibisubizo:Kwagura uruganda rw’imiti byarangiye kandi byashyizweho mu gihembwe cya mbere cya 2025, ibyumweru bitatu mbere y’igihe cyari giteganyijwe. Imiyoboro yose ya kilometero 25.5 ya 304L yatsinze igeragezwa ry’umuvuduko nta kintu na kimwe cyavuyemo. Imiyoboro y’isuku ya santimetero 2 yatsinze isuzuma rya FDA ku miyoboro y’amazi yo mu rwego rw’imiti ku nshuro ya mbere. Uruganda rumaze amezi 10 rukora neza nta kibazo cyatewe n’ingese. Womic Steel yongewe ku rutonde rw’abaguzi bemerewe n’abakiriya rwo gushyiramo imiyoboro y’ibyuma bitanduye mu nyubako eshanu zo muri Amerika y’Amajyaruguru.

Umuntu wo kuvugana nawe:
Urubuga: www.womicsteel.com
Imeri: sales@womicsteel.com

Terefone / WhatsApp / WeChat:
Victor: +86 15575100681
Jack: +86 18390957568

Womic Steel – Umufatanyabikorwa wawe wizeye w’imiyoboro ya ASTM A312 TP304/304L ikoreshwa mu gutunganya imiti, ibiryo n’ibinyobwa, imiti, ndetse n’ibindi bikorwa rusange byo kwangiza ibidukikije ku isi yose.