ʻO ka ʻike o nā papa nickel Cryogenic
Ua kūpono loa nā papa nickel cryogenic i nā noi i ʻike ʻia i nā wela haʻahaʻa loa.Hoʻohana ʻia lākou no ka lawe ʻana i ke kinoea kūlohelohe liquefied (LNG) a me ka petroleum gas (LPG).
A 645 Gr A / A 645 Gr B, hoʻemi i ke kumu kūʻai a hoʻonui i ka palekana i ka hana ethylene a me LNG.
Hiki iā mākou ke hana i nā pae kila ʻelua A 645 Gr A a me Gr B a me 5% a me 9% nickel steels maʻamau.
● LNG
Hoʻokahe ʻia ke kinoea kūlohelohe ma kahi haʻahaʻa haʻahaʻa loa o -164 °C, e hōʻemi ana i kona leo ma kahi helu o 600. ʻO kēia ka mea e hiki ai ke mālama a me ka lawe ʻana a me ka hoʻokele waiwai.I kēia mau haʻahaʻa haʻahaʻa loa, pono ka hoʻohana ʻana i nā kila nickel kūikawā 9% i mea e hōʻoiaʻiʻo ai i ka ductility kūpono a me ke kūpaʻa ʻana i ka haki ʻana.Hāʻawi mākou i nā papa ākea ʻē aʻe i kēia māhele mākeke, ʻoiai i ka mānoanoa a hiki i 5 mm.
● LPG
Hoʻohana ʻia ke kaʻina LPG no ka hana ʻana i ka propane a me ka hana kinoea mai ke kinoea maoli.Hoʻoheheʻe ʻia kēia mau kinoea i ka lumi wela ma ka haʻahaʻa haʻahaʻa a mālama ʻia i loko o nā pahu kūikawā i hana ʻia me 5% nickel steels.Hāʻawi mākou i nā papa pūpū, nā poʻo a me nā cones mai kahi kumu hoʻokahi.
E lawe i ka pā ASTM A 645 Gr B No ka laʻana
● ʻO ka hoʻohana ʻana i ka A 645 Gr A no ka hana ʻana i nā pahu ethylene e hāʻawi ma kahi o 15% kiʻekiʻe o ka ikaika, hoʻonui i ka palekana a me ka hiki ke hoʻemi ʻia ka mānoanoa o ka pā no ka mālama kālā nui ʻana i ke kūkulu ʻana i ka pahu.
● Loaʻa ka ASTM A 645 Gr B i nā waiwai waiwai e like me nā kila nickel kuʻuna 9% i loko o ka waihona LNG akā hoʻokō i kēia mau koi me ka 30% o nā mea nickel haʻahaʻa.ʻO kahi hopena hou aʻe e hoʻemi nui ʻia nā kumukūʻai i ka hana ʻana i nā pahu LNG ma uka a me waho a ma ke kūkulu ʻana i nā pahu wahie LNG.
ʻO ke kūlana kiʻekiʻe loa no ka pae kiʻekiʻe o ka palekana
ʻO ke kumu o kā mākou mau papa nickel kiʻekiʻe he mau papa maʻemaʻe kiʻekiʻe mai kā mākou mea hana kila.ʻO ka haʻahaʻa haʻahaʻa carbon maʻiʻo e hōʻoia i ka weldability maikaʻi loa.Loaʻa nā pōmaikaʻi hou aʻe i ka ikaika hopena maikaʻi o ka huahana a me nā waiwai fracturing (CTOD).ʻO ka ʻili papa holoʻokoʻa e hoʻāʻo ultrasonic.Aia ke koena magnetism ma lalo o 50 Gauss.
Preprocessing e hoʻokō pono i nā koi o ka mea kūʻai aku
● Sand-blasted a i ʻole one-blasted a hoʻomaka.
● Ka hoʻomākaukau ʻana i nā ʻaoʻao welded: ʻO ka paʻakikī liʻiliʻi o ka lihi i puhi ʻia e hiki ke hana ʻia e ka haʻahaʻa kalapona.
● Piʻo pā.
Hiki iā Jindalai ke hoʻolako i nā papa kila Cryogenic Nickel
Hui kila | Kūlana kila | Nā māka kila |
5% nā kila nickel | EN 10028-4 / ASTM/ASME 645 | X12Ni5 A/SA 645 Papa A |
5.5 % nā kila nickel | ASTM/ASME 645 | A/SA 645 Papa B |
9 % na kila nikela | EN 10028-4 / ASTM/ASME 553 | X7Ni9 A/SA 553 ʻAno 1 |