EN 10219 S355J0Hbụ aoyi-kpụrụ weldedstructural oghere ígwè anwụrụ kaEN 10219, na kacha nta mkpụrụ ike nke355 MPa(mgbidi ọkpọkọ ≤ 16 mm) na ike mmetụta nke opekata mpe27 J na 0 Celsius.
Emepụtara site na iji ịgbado ọkụ eletrik ma ọ bụ usoro ịgbado ọkụ n'okpuru mmiri na-enweghị mkpa maka ọgwụgwọ okpomọkụ na-esote, ha dabara maka ọtụtụ ngwa nhazi ụkpụrụ ụlọ na injinia, gụnyere ihe nrụpụta dị oke mkpa dị ka ikpo maka nkwado ntọala.
BS EN 10219 bụ ọkọlọtọ European EN 10219 nke UK nakweere.
Na-agụnye welded oyi kpụrụokirikiri, square, akụkụ anọ, na ellipticalngalaba oghere ihe owuwu.
CFCHS = ngalaba oghere okirikiri nwere oyi;
CFRHS = akụkụ oyi kpụrụ square ma ọ bụ akụkụ anọ oghere;
Anyị bụ ọkachamara n'inye ngalaba oghere okirikiri dị elu (CHS) ọkpọkọ ígwè iji gboo mkpa injinịa dị iche iche.
Mgbidi mgbidi ≤40mm;
okirikiri: dayameta dị n'èzí ruo 2500 mm;
A ga-eji ya mepụta ngalaba oghere arụrụ arụịgbado ọkụ eletrik ma ọ bụ ịgbado ọkụ n'okpuru mmiri (SAW).
A ga-ebunye akụkụ TS EN 10219 oghere oyi na-enweghị ọgwụgwọ okpomọkụ na-esote, mana weld nwere ike ịnọ n'ọnọdụ welded ma ọ bụ ọnọdụ a na-agwọ ọkụ.
Ọ bụrụ na ejiri teknụzụ ịgbado ọkụ n'okpuru mmiri, enwere ike kewaa ya n'imeLSAW(SAWL) (Longitudinal Submerged Arc Welding) naSSAW(HSAW) (Spiral Submerged Arc Welding) dabere na ntụzịaka nke seam weld.
LSAWnwere ịrịba uru na imewe nkennukwu dayametanaọkpọkọ ígwè nwere mgbidima dabara adaba maka ihe ngosi ngwa ebe ike dị elu, ịdịmma na akụkụ ziri ezi chọrọ nke ọma.
JCOEbụ usoro dị oke mkpa na onye nnọchiteanya na mmepụta nke ígwè ígwè LSAW.Aha nke usoro a sitere na usoro anọ bụ isi na usoro ịme ọkpọkọ: J-forming, C-forming, O-forming na Expanding.
Anyị bụ onye na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-esi na China, nakwa onye na-emepụta ihe na-emepụta ihe na-adịghị mma, na-enye gị ihe ngwọta dị iche iche nke ígwè ígwè!
Nyocha ihe nkedo
Nyocha kemịkalụ nke akụrụngwa ọkpọkọ ígwè
S355J0H Uru kacha carbon (CEV): 0.45%.
CEV = C + Mn/6 +(Cr + Mo + V)/5 + (Ni + Cu)/15.
Nyocha ngwaahịa
Chemical mejupụtara analysis nke okokụre oghere ngalaba
Ọdịiche nke nyocha ngwaahịa sitere na oke akọwapụtara maka nyocha nkedo ga-adị ka ihe achọrọ n'okpuru.
Mbelata nchekasị n'ihe karịrị 580 Celsius C ma ọ bụ ihe karịrị otu elekere nwere ike ibute mmebi nke akụrụngwa.
A ga-eme ule tensile dị ka EN 10002-1 si kwuo.
A ga-eme nnwale mmetụta dịka EN 10045-1 si kwuo.
A na-enyocha njirimara mmetụta naanị mgbe akọwapụtara nhọrọ 1.3.
c Maka nha ngalaba D / T <15 ( okirikiri) na (B + H) / 2T <12,5 (square na akụkụ anọ) a na-ebelata elongation kacha nta site na 2.
d Maka ọkpụrụkpụ <3 mm hụ 9.2.2.
e N'ihi na mmetụta Njirimara maka mbelata nkebi ule iberibe hụ 6.7.2.
Ihe ndetu: Achọghị nnwale mmetụta mgbe ọkpụrụkpụ akọwapụtara bụ <6mm.
A ga-anwale welds n'ime akụkụ oghere oghere arc welded dị ka EN 10246-9 maka nnabata klas U4 ma ọ bụ redio dabere na EN 10246-10 maka klaasị ogo onyonyo R2.
Nnwale NDT(RT).
Nnwale NDT(UT).
Nnwale Hydrostatic
Anyị na-eji usoro nyocha dị iche iche na-adịghị emebi emebi na ule nrụgide hydrostatic iji hụ na ike na ịdịte aka nke ọkpọkọ ọ bụla.Anyị na-enye ndị ahịa anyị ngwaahịa ọkpọkọ ígwè nke na-ezute ụkpụrụ kachasị elu nke nchekwa na nkwenye dị mma.
Akpa akụkụ oghere arụpụtara dị ka EN 10219 bụ weldable.
Mgbe ịgbado ọkụ, oyi na-agbawa na mpaghara weld bụ isi ihe ize ndụ dị ka ọkpụrụkpụ, ọkwa ike, na CEV nke ngwaahịa na-abawanye.Ihe kpatara mgbawa oyi bụ nchikota ọtụtụ ihe:
nnukwu ọkwa hydrogen diffusible na weld metal;
ihe owuwu na-emebi emebi na mpaghara okpomọkụ metụtara;
nnukwu nrụgide nrụgide tensile na nkwonkwo welded.
TS EN 10219 ọkpọkọ ígwè dị mma maka itinye galvanizing ọkụ.Enwere ike ime nhọrọ dabere na mkpa n'ezie.
Ga-enwe elu dị larịị kwekọrọ na usoro nrụpụta eji eme ihe;bumps, voids, ma ọ bụ oghere ogologo ogologo na-emighị emi nke sitere na usoro nrụpụta bụ ihe kwere omume ma ọ bụrụhaala na ọkpụrụkpụ ha fọdụrụ dị na nnabata.
Enwere ike iwepụ ntụpọ dị n'elu site n'igweri, ma ọ bụrụhaala na ọkpụrụkpụ nke akụkụ oghere a na-arụzi adịghị erughị opekempe ekwenyere na EN 10219-2.
Nkwenye na ọdịdị, kwụ ọtọ na Mass
Ogologo ndidi
Weld elu
Ihe achọrọ ịdị elu weld na-emetụta naanị tubes SAW.
| Ọkpụrụkpụ, mm | Ogologo bead weld kacha, mm |
| ≤14,2 | 3.5 |
| > 14,2 | 4.8 |
TS EN 10219 S355J0H ọkpọkọ ígwè bụ ihe siri ike na nke na-eguzogide corrosion nke dabara nke ọma maka ọtụtụ ụlọ na ụlọ ọrụ injinia, gụnyere ngwa ikpo ọkpọkọ.
1. Pipe ikpo: S355J0H ígwè ọkpọkọ bụ karịsịa adabara iji dị ka ntọala ikpo n'ihi ike ya na corrosion eguzogide na ọtụtụ-eji na-ewu nke wharves, àkwà mmiri, ụlọ ntọala, na ndị ọzọ na oru ngo na-achọ miri ntọala.
2. Ihe owuwu ụlọ: A na-ejikarị eme ihe maka ihe ndị dị ka ọkpụkpụ ọkpụkpụ, ogidi ndị na-akwado, na ihie ụlọ.
3. Ụgbọ njem pipeline: Ọ dịkwa mma maka iji dị ka pipeline maka ibufe mmanụ na gas n'ebe dị anya.Agbanyeghị, a na-ekpuchikarị ya iji gbasaa ndụ ọrụ, dịka 3LPE, FBE, galvanized, wdg.
4. Igwe ihe owuwu: Enwere ike iji ya rụpụta brackets na akụkụ nke igwe ihe owuwu dị iche iche.
5. Ụlọ ọrụ ọha: dị ka bleachers n'ámá egwuregwu na ihe nkwado ndị ọzọ maka nnukwu ụlọ ọrụ ọha.
EN 10210 S355J0H: oghere ngalaba maka thermoforming welded owuwu.Ọ bụ ezie na ọ na-bụ-eji maka thermoforming, ya chemical mejupụtara na n'ibu Njirimara yiri nke S355J0H na ọ ga-eji dị ka ezi Ẹkot ihe onwunwe.
ASTM A500 Ọkwa C: A na-eji ya na-emepụta welded ma ọ bụ enweghị nkebi oyi na-eme gburugburu, square, na akụkụ anọ maka ngwa nhazi.ASTM A500 Grade C na-enye ụdị mkpụrụ na ike tensile maka ihe owuwu na igwe.
CSA G40.21 350W: Nke a bụ nkọwapụta Association Standards Association nke na-ekpuchi ọkwa nchara dị iche iche.350W ọkwa ígwè nwere yiri mkpụrụ na tensile ike na S355J0H.
JIS G3466 STKR490: Nke a bụ ihe tube square na akụkụ anọ maka ojiji nhazi dịka akọwapụtara na Japanese Industrial Standard (JIS).Ọ dabara maka ihe owuwu ụlọ na ebumnuche igwe.
Kemgbe e hiwere ya na 2014.Steel akpụkpọ ụkwụaghọwo onye na-ebute ụzọ na-ebufe carbon steel pipe na Northern China, mara maka ọrụ magburu onwe ya, ngwaahịa dị elu, na ngwọta zuru oke.
Ụlọ ọrụ ahụ na-enye ụdị ọkpọkọ carbon carbon dị iche iche na ngwaahịa ndị metụtara ya, gụnyere enweghị nkebi, ERW, LSAW, na SSAW ọkpọkọ ígwè, yana nchịkọta zuru ezu nke ọkpọkọ na flanges.Ngwaahịa ya ọpụrụiche gụnyekwara alloys dị elu na igwe anaghị agba nchara austenitic, ahaziri iji gboo ihe achọrọ nke ọrụ pipeline dị iche iche.
ASTM A252 GR.3 Structural LSAW(JCOE) Carbon Steel Pipe
BS EN10210 S275J0H LSAW(JCOE) ígwè ọkpọkọ
ASTM A671/A671M LSAW Steel Pipe
ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe
API 5L X65 PSL1/PSL 2 LSAW Carbon Steel Pipe / API 5L Ọkwa X70 LSAW Ọkụ ígwè
EN10219 S355J0H Ọdịdị LSAW(JCOE) Ọkụ ígwè
