ABS Vasega D Masini uamea ipu

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Fa'atomuaga pu'upu'u o ipu uamea o le gataifale Fa'asologa o vaila'au ma mea fa'ainisinia

Fa'atomuaga pu'upu'u o ipu uamea o le gataifale

O le ipu uamea o le gataifale e faasino i le faufale uamea o loʻo faʻaaogaina i le fausiaina o vaa. O lo'o ta'ua o se va'aiga o le gataifale ma e tatau ona mafai ona tete'e atu a'afiaga e masani ai ile si'osi'omaga o le vai. Ina ia ausia lenei mea, e faʻaopoopoina elemene faʻafefiloi faʻapitoa i nei togi ina ia puipuia mai le corrosion.E ui o le tele o le carbon steel e le fetaui mo siosiomaga o le gataifale, o loʻo i ai le tele o marine grade carbon steels ua faʻatagaina e sosaiete eseese mo talosaga fau vaa.

Ua vaevaeina le uamea mo va'a o va'a i vasega malosi e tusa ai ma lona malosi maualalo maualalo: malosi lautele fa'ameamea ma le malosi maualuga. Maine ipu uʻamea e faasino i vevela uʻamea ipu uamea gaosia e tusa ai ma manaoga o le classation sosaiete mo le fausiaina o fausaga o vaa.

E 9 fa'alapotopotoga fa'avasegaina i le lalolagi atoa.
A.B.S   American Bureau of Shipping
B.V.    Bureau Veritas
C.C.S. Saina Faavasegaina Sosaiete
D.N.V   Det Norske Veritas
G.L.    Germanischer Lloyd
K.R. Resitala Korea o Va'a
L.R. Lloyd's Resitala o Va'a
N.K. Nippon Kaiji Kyokai
R.I.N.A Registro Italiano Navale

ABS mo American Bureau of Shipping e lauiloa foi o le A131, lea e faʻaaogaina toetoe lava naʻo le fausiaina o vaa. O loʻo i ai se laʻititi laʻititi o le 34ksi(235Mpa). E fa'aaogaina i va'a, fau va'a ma mea tau gataifale.

Vasega A u'amea o le malosi a'afiaga e fa'atatau i le vevela masani (20 ° C).
Vasega B u'amea malosi i 0 ° C
Vasega D malosi a'afiaga uamea ile -20 ° C
Vasega E malosi a'afiaga uamea ile -40 ° C

Au'aunaga fa'apa fana
O le fana fana ose auala e fa'amama pe fa'aiila u'amea pe a mana'omia le fa'amae'aina o luga. E fa'aogaina le fa'afana o fana i le toetoe lava o pisinisi uma matou te tautuaina. Aemaise lava i le fauina o vaa, nofoaafi, fausaga fausaga ma isi mea.

Fa'amatalaga va'aiga
Mafiafia: 2.5-120mm
Lautele:1000-3000mm
Umi: E pei ole talosaga

Fa'asologa o vaila'au ma mea fa'ainisinia

Fa'asu'esu'ega o vaila'au

Vasega uamea	C	Si	Mn	P	S	Als
Vasega A	≤0.21	≤0.50	≥2.5C	≤0.035	≤0.035	-
Vasega B	≤0.21	≤0.35	0.8-1.2	≤0.035	≤0.035	-
Vasega D	≤0.21	≤0.35	0.6-1.2	≤0.035	≤0.035	≥0.015
Vasega E	≤0.18	≤0.35	0.7-1.2	≤0.035	≤0.035	≥0.015

Fa'agasologa mo Vasega Eseese
Vasega A ma le B
O le malosi lautele o le vasega A ma le B fau ipu uʻamea e mafai ona ausia manaʻoga o le faagasologa ma mea faʻainisinia e ala i taʻavale masani, o lea o le gaosiga o le gaosiga e faigofie lava.

Vasega D, E (DH32, DH36, EH 32, EH 36)
Vasega D ma E faasologa (inlcuding AH32 /36, DH32, DH36, EH32, EH36) fau vaa ipu uʻamea e manaʻomia lelei le maualalo o le vevela toughness ma lelei faatinoga uelo. Le gaosiga maualuga-malosi ipu uʻamea fau vaa e tatau ona normalized e ala i le pulea taʻavale ma pulea cooling po o le vevela faagasologa togafitiga ma meafaigaluega atoatoa. I le taimi lava e tasi, o le mama i totonu o le uamea o loʻo tuʻuina atu e manaʻomia le maualuga, aemaise lava o mea o loʻo i totonu o le S, P, N, 0 ma le H i totonu o le uamea e tatau ona matua faʻatonutonuina.

Fa'aopoopo Elemene Alloy e Fa'aleleia le Malosi
Ina ia faʻamautinoa le faʻatinoina o ipu vaʻa malosi-maualuga, faʻaaogaina tekinolosi micro-alloying. E ala i le faʻaopoopoina o Nb, V, Ti ma isi elemene faʻafefiloi i le uamea, faʻatasi ma le faʻatonuina o le taʻavale, o le saito e faʻamamaina ma faʻaleleia le malosi.
Fa'atonuga ole Atina'e mo le Fausiaina o Vaa
Malosiaga maualuga, faʻamatalaga maualuga, faʻatasi ai ma le tele o le vaʻa ma le saogalemu, ma suiga i faʻamatalaga faʻapipiʻi, o le manaʻoga mo panela masani A-vasega ua faasolosolo malie ona faʻaitiitia, ma o loʻo faʻateleina le manaʻoga mo paneli maualuga, lea e faʻapipiʻiina i vaʻa tetele. e 5m lautele. Papatusi, 200-300mm mafiafia laupapa vaa mafiafia faapitoa.

Meatotino Fa'ainisinia

Vasega uamea	Mafiafia/mm	Fa'ailoga tau/MPa	Mata'itusi /MPa	Fa'aliga/%	Tempera/° C	Su'ega a'afiaga V-ituaiga
						Akv/J
						Tusa'o	Fa'asagaga
Vasega A	≤50	≥235	400-490	≥22	-	-	-
Vasega B	≤50	≥235	400-490	≥22	0	≥27	≥20
Vasega D	≤50	≥235	400-490	≥22	-10	≥27	≥20
Vasega E	≤50	≥235	400-490	≥22	-40	≥27	≥20