EN 10219 S355J0Hhe awiliwili ʻia i anustructural hollow steel paipu iEN 10219, me ka ikaika hua liʻiliʻi o355 MPa(ka mānoanoa o ka paipu paipu ≤ 16 mm) a me ka ikehu hopena o ka liʻiliʻi loa27 J ma 0°C.
Hana ʻia me ka hoʻohana ʻana i ka wili uila a i ʻole nā ʻenehana hoʻoheheʻe arc submerged me ka ʻole o ka pono no ka mālama ʻana i ka wela ma hope, ua kūpono lākou no kahi ākea o ka hoʻolālā hale a me ka ʻenekinia, me nā mea hana koʻikoʻi e like me nā puʻu no ke kākoʻo kumu.
ʻO BS EN 10219 ka European Standard EN 10219 i hāpai ʻia e UK.
Loaʻa i ka welded anuanupoepoe, huinaha, huinahalike, a ellipiticalʻāpana hollow kūkulu.
CFCHS = ʻāpana pōʻai pōʻai anuanu;
CFRHS = ʻāpana hollow i hana ʻia i ke anu;
He loea mākou i ka hoʻolako ʻana i ka ʻāpana hollow circular kiʻekiʻe (CHS) paipu kila e hoʻokō i kāu mau pono ʻenekinia like ʻole.
ʻO ka mānoanoa o ka pā ≤40mm;
Poʻai: ʻO ke anawaena o waho a hiki i 2500 mm;
E hana ʻia nā ʻāpana hollow i kūkulu ʻia ewiliwili uila a i ʻole wiliwili arc submerged (SAW).
ʻO EN 10219 nā ʻāpana hollow e hāʻawi ʻia i ke anuanu me ka ʻole o ka mālama ʻana i ka wela ma hope, akā aia paha nā welds i ke ʻano welded a i mālama ʻia paha.
Inā hoʻohana ʻia ka ʻenehana welding arc submerged, hiki ke hoʻokaʻawale ʻia i lokoLSAW(SAWL) (Longitudinal Submerged Arc Welding) aSSAW(HSAW)(Spiral Submerged Arc Welding) ma muli o ke kuhikuhi o ka weld seam.
LSAWloaʻa nā pōmaikaʻi nui i ka hana ʻana onui-anawaenaapaipu kila mānoanoaa kūpono loa i nā hiʻohiʻona noiʻi kahi e koi nui ʻia ai ka ikaika kiʻekiʻe, ka maikaʻi, a me ka pololei.
JCOEhe hana koʻikoʻi a ʻelele i ka hana ʻana i ka paipu kila LSAW.ʻO ka inoa o ke kaʻina hana mai nā ʻanuʻu nui ʻehā i ke kaʻina hana paipu: J-hoʻokumu, C-hoʻokumu, O-hana, a me ka hoʻonui.
ʻO mākou kahi mea hana kiʻekiʻe kiʻekiʻe welded carbon steel paipu a me ka mea hoʻolako mai Kina, a me kahi mea hoʻoheheʻe paipu kila maʻemaʻe, hāʻawi iā ʻoe i kahi ākea o nā paipu kila!
Hoʻoholo Kiʻi
ʻIkepili kemika o ke kila paipu maka
S355J0H Ka waiwai like kalapona (CEV): 0.45%.
CEV = C + Mn/6 +(Cr + Mo + V)/5 + (Ni + Cu)/15.
Nānā Huahana
Ke kālailai hoʻohui kemika o nā ʻāpana hollow i hoʻopau ʻia
ʻO ka hoʻokaʻawale ʻana o ka loiloi huahana mai nā palena i kuhikuhi ʻia no ka hoʻoheheʻe ʻana e like me nā koi ma lalo nei.
ʻO ka hoʻopau ʻana i ka pilikia ma mua o 580 °C a i ʻole hoʻokahi hola ke alakaʻi i ka pōʻino o nā waiwai mechanical.
E hoʻokō ʻia ka hoʻāʻo tensile e like me EN 10002-1.
E hoʻokō ʻia ka hoʻāʻo hopena e like me EN 10045-1.
Hōʻoia ʻia nā waiwai hopena inā ʻike ʻia ke koho 1.3.
c No ka nui o ka pauku D/T <15 (circular) a me (B+H)/2T < 12,5 (square and rectangular) ua hoemi ia ka elongation haahaa e 2.
d No ka mānoanoa < 3 mm e nānā i ka 9.2.2.
e No nā waiwai hopena no nā ʻāpana hoʻoemi e ʻike i ka 6.7.2.
Nā memo: ʻAʻole koi ʻia ka hoʻāʻo ʻana i ka hopena inā he <6mm ka mānoanoa i kuhikuhi ʻia.
E hoʻāʻo ʻia nā welds i loko o nā ʻāpana arc welded hollow e like me EN 10246-9 no ka papa ʻae U4 a i ʻole radiographically e like me EN 10246-10 no ka papa kiʻi kiʻi R2.
Hoʻāʻo NDT(RT).
Hoʻāʻo NDT(UT).
Hoʻāʻo Hydrostatic
Hoʻohana mākou i nā ʻano hana hoʻāʻo ʻole luku a me nā hoʻokolohua hydrostatic pressure e hōʻoia i ka ikaika a me ka lōʻihi o kēlā me kēia paipu.Hāʻawi mākou i kā mākou mea kūʻai aku i nā huahana paipu kila e kū ana i nā kūlana kiʻekiʻe o ka palekana a me ka hōʻoia maikaʻi.
Hiki ke weldable nā ʻāpana ʻāpana hollow i hana ʻia e like me EN 10219.
I ka wā e wili ai, ʻo ka hāhā anu i ka weld zone ka pilikia nui e like me ka mānoanoa, ka pae ikaika, a me ka CEV o ka huahana.Ma muli o ka hui pū ʻana o kekahi mau kumu:
kiʻekiʻe o ka diffusible hydrogen i loko o ka weld metala;
he hale palupalu i loko o ka ʻāpana wela;
koʻikoʻi koʻikoʻi koʻikoʻi i loko o ka hui welded.
He kūpono nā paipu kila EN 10219 no ka galvanizing wela.Hiki ke koho ʻia e like me nā pono maoli.
E loaʻa i kahi ʻili laulima e like me ke ʻano hana i hoʻohana ʻia;ʻae ʻia nā puʻupuʻu, ʻāʻī, a i ʻole nā awāwa longitudinal pāpaʻu ma muli o ke kaʻina hana hana inā ʻo ko lākou koena mānoanoa i loko o ka hoʻomanawanui.
Hiki ke hoʻoneʻe ʻia nā hemahema o ka ʻili ma ka wili ʻana, inā ʻaʻole i emi ka mānoanoa o ka ʻāpana hollow i hoʻoponopono ʻia ma mua o ka mānoanoa haʻahaʻa i ʻae ʻia ma EN 10219-2.
ʻO ka hoʻomanawanui ma ke ʻano, ka pololei a me ka nui
Ka lōʻihi o ka hoʻomanawanui
Weld Kiʻekiʻe
ʻO ke koi kiʻekiʻe weld pili wale i nā paipu SAW.
| Mānoanoa, mm | ʻO ke kiʻekiʻe o ka weld bead kiʻekiʻe, mm |
| ≤14,2 | 3.5 |
| >14,2 | 4.8 |
ʻO EN 10219 S355J0H paipu kila he mea ikaika a kūpaʻa i ka corrosion i kūpono no ka nui o nā hale a me nā ʻenehana ʻenehana, me nā noi paipu paipu.
1. Puʻu Paipu: S355J0H paipu kila no ka hoʻohana 'ana ma ke 'ano he mau puʻu kumu ma muli o kona ikaika a me ka pale ʻana i ka corrosion a hoʻohana nui ʻia i ke kūkulu ʻana i nā uapo, nā alahaka, nā kahua kūkulu hale, a me nā papahana ʻē aʻe e koi ana i nā kumu hohonu.
2. Nā hale kūkulu: Hoʻohana mau ʻia no nā ʻāpana e like me nā hale iwi, nā kolamu kākoʻo, a me nā kaola o nā hale.
3. ʻO ka halihali paipu: He mea kūpono no ka hoʻohana ʻana ma ke ʻano he paipu no ka lawe ʻana i ka aila a me ke kinoea ma kahi lōʻihi.Eia nō naʻe, ua uhi ʻia e hoʻolōʻihi i ke ola lawelawe, e laʻa me 3LPE, FBE, galvanized, etc.
4. Nā mīkini hana: Hiki ke hoʻohana ʻia e hana i nā brackets a me nā ʻāpana o nā mīkini hana like ʻole.
5. Keena lehulehu: e like me nā bleachers ma nā kahua pāʻani haʻuki a me nā hale kākoʻo ʻē aʻe no nā keʻena lehulehu.
EN 10210 S355J0H: Māhele hollow no ka thermoforming welded hale.ʻOiai ua hoʻohana nui ʻia no ka thermoforming, ua like kona ʻano kemika a me nā waiwai mechanical me nā mea o S355J0H a hiki ke hoʻohana ʻia ma ke ʻano he mea like maikaʻi.
ASTM A500 Papa C: Hoʻohana ʻia i ka hana ʻana i nā paipu i hoʻoheheʻe ʻia a i ʻole i hoʻoheheʻe ʻia i ke anuanu a puni, ʻehā, a me nā ʻāpana ʻehā no ka hoʻolālā ʻana.Hāʻawi ka ASTM A500 Grade C i nā hua like a me nā ikaika tensile no nā hale kūkulu hale a me nā mechanical.
CSA G40.21 350W: ʻO kēia kahi ʻōlelo kikoʻī o ka Canadian Standards Association e uhi ana i kahi ākea o nā māka kila.ʻO ke kila kila 350W ka hopena like a me ka ikaika tensile me S355J0H.
JIS G3466 STKR490: He pahu pahu huinaha a me ka rectangular keia no ka hoohana ana i ka hana e like me ka olelo ma ka Japanese Industrial Standard (JIS).He kūpono ia no ke kūkulu hale a me nā hana mechanical.
Mai kona hoʻokumu ʻana i ka makahiki 2014,Ke kila Botopua lilo i mea hoʻolako alakaʻi o ka paipu kila kalapona ma Northern China, i ʻike ʻia no ka lawelawe maikaʻi loa, nā huahana kiʻekiʻe, a me nā hāʻina piha.
Hāʻawi ka hui i nā ʻano paipu kila kalapona a me nā huahana pili, me ka seamless, ERW, LSAW, a me ka paipu kila SSAW, a me ka laina piha o nā paipu paipu a me nā flanges.ʻO kāna mau huahana kūikawā pū kekahi me nā mea kila kiʻekiʻe a me nā austenitic stainless steel, i hana ʻia e hoʻokō i nā koi o nā papahana pipeline like ʻole.
ASTM A252 GR.3 Kūlana LSAW(JCOE) Paipu kila Carbon
BS EN10210 S275J0H LSAW(JCOE) Paipu kila
ASTM A671/A671M LSAW Paipu kila
ASTM A672 B60/B70/C60/C65/C70 LSAW Paipu Kinohi
API 5L X65 PSL1/PSL 2 LSAW Paipu kila Carbon / API 5L Papa X70 LSAW Paipu kila
EN10219 S355J0H Kūlana LSAW(JCOE) Paipu kila
