CCS AH40 DH40 EH40 FH40 Ruwan Karfe

Farantin karfen ruwa na nufin karfen tsarin da ake amfani da shi wajen ginin jirgi. Ana la'akari da darajar marine kuma dole ne ya iya tsayayya da lalata abubuwan da suka zama ruwan dare a cikin yanayin ruwa. Don cimma wannan, ana ƙara abubuwa na musamman na alloying zuwa waɗannan maki don kare kariya daga lalata. Yayin da yawancin ƙarfe na carbon bai dace da yanayin ruwa ba, akwai nau'ikan ƙarfe na ruwa da yawa waɗanda ƙungiyoyi daban-daban suka amince da su don aikace-aikacen gini.

Ƙarfe na tsari don ƙwanƙolin jirgi ya kasu zuwa nau'ikan ƙarfi gwargwadon ƙarfin yawan amfanin sa: ƙarfin tsarin ƙarfe na gabaɗaya da ƙarfin tsarin ƙarfe mai ƙarfi. Maine karfe farantin yana nufin zafi birgima karfe farantin samar daidai da bukatun na classication al'umma don gina jirgin ruwa Tsarin.

Akwai manyan ƙungiyoyin rarrabawa guda 9 a duniya.
A.B.S    Ofishin Jakadancin Amirka
B.V.     Ofishin Veritas
C.C.S. Ƙungiyar Rarraba ta China
D.N.V   Det Norske Veritas
G.L.    Jamusanci Lloyd
K.R. Rijistar Koriya ta Jirgin Ruwa
L.R. Lloyd's Register na Shipping
N.K. Nippon Kaiji Kyokai
R.I.N.A  Registro Italiano Navale

CCSAH40 karfe ne mai zafi birgima high tensile ƙarfi karfe. Ƙarfin ginin jirgin ruwa na CCS mafi girma ya zo a cikin maki 12 na ƙarfin 3, AH40 yana ɗaya daga cikin maki. Faranti na CCS AH40 na ƙarfe suna da ƙarfin samar da 56,500 psi (390 MPa), da ƙarfin ƙarfi na ƙarshe na 74,000 - 94,500 psi (510-650 MPa). Duk Karfe na ginin jirgin ruwa na CCS AH40 wanda Gnee ke bayarwa na iya samun takaddun shaida ta CCS

CCS memba ce mai kafa Ƙungiyar Ƙungiyoyin Rarraba Ƙungiyoyin Ƙasa ta Duniya (IACS), wadda aka kafa a 1968. Ƙungiyoyin CCS sun amince da su kusan 116 hukumomin tuta na duniya. Haɗaɗɗen sabis na CCS don zagayowar jigilar kayayyaki da suka haɗa da ƙira, gini, sarrafa tashar jirgin ruwa, dubawa da gwajin kayan / abubuwan da kuma dubawa na yau da kullun don kula da ajin ana amfani da su ta hanyar sufuri, jiragen ruwa, ro-ro, jiragen ruwa fasinja, jiragen ruwa, jiragen ruwa. , sojojin ruwa, LGN da sauran ƙwararrun jiragen ruwa masu ɗaukar kaya.

Matakin AH40 karfe shine tasirin tasirin da aka yiwa 0 ° C
Ƙarfin tasiri na ƙarfe DH40 a -20 ° C
Ƙarfin tasiri na ƙarfe EH40 a -40 ° C
Matsayi FH40 ƙarfin tasirin ƙarfe a -60 ° C

Sabis mai fashewa da harbi
Harba fashewar wata hanya ce da ake amfani da ita don tsaftace ko goge karfe lokacin da ake buƙatar ingantaccen saman ƙasa. Ana amfani da fashewar harbe-harbe a kusan kowace masana'antar da muke hidima. Musamman a cikin ginin jirgi, dogo, ƙirƙira tsarin da sauransu.

Ƙayyadaddun ƙayyadaddun bayanai
Kauri: 2.5-120mm
Nisa: 1000-3000mm
Length: Kamar yadda bukata

Haɗin Sinadari

Karfe daraja	C	Si	Mn	P	S	Als
Babban darajar AH40	≤0.18	≤0.50	0.9-1.6	≤0.035	≤0.035	≥0.015
Babban darajar DH40	≤0.18	≤0.50	0.9-1.6	≤0.035	≤0.035	≥0.015
Babban darajar EH40	≤0.18	≤0.50	0.9-1.6	≤0.035	≤0.035	≥0.015
Babban darajar FH40	≤0.18	≤0.50	0.9-1.6	≤0.035	≤0.035	≥0.015

Gudanarwa don Maki daban-daban
Darasi D, E (DH32, DH36, EH 32, EH 36)
Grade D da E jerin (ciki har da AH32 / 36, DH32, DH36, EH32, EH36) shipbuilding karfe faranti na bukatar mai kyau low zafin jiki taurin da kuma mai kyau waldi yi. Samar da farantin karfe mai ƙarfi mai ƙarfi na jirgin ruwa yana buƙatar daidaitawa ta hanyar sarrafa mirgina da sarrafa sanyaya ko tsarin kula da zafi tare da ƙarin cikakkun kayan aiki. A lokaci guda, ana buƙatar tsaftar ƙarfe na ciki na billet ɗin da aka kawo don zama babba, musamman abubuwan S, P, N, 0 da H a cikin ƙarfe yakamata a sarrafa su sosai.

Abubuwan Haɗaɗɗen Galo don Inganta Tauri
Don tabbatar da aikin faranti na jirgin ruwa mai ƙarfi, ana amfani da fasahar micro-alloying. Ta hanyar ƙara Nb, V, Ti da sauran abubuwa masu haɗawa zuwa karfe, haɗe tare da tsarin jujjuyawar sarrafawa, ana tsabtace hatsi kuma an inganta taurin.
Jagoran Ci gaba don Ginin Jirgin Ruwa
Ƙarfin ƙarfi, ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, tare da babban sikelin da aminci na jirgin, da canje-canje a cikin ƙayyadaddun kayan aiki, buƙatun fa'idodin A-aji na yau da kullun yana raguwa a hankali, kuma buƙatun ƙarfin ƙarfin ƙarfi yana ƙaruwa, wanda ke maida hankali kan manyan jiragen ruwa. na 5m fadi. Plate, 200-300mm kauri na musamman lokacin farin ciki jirgin ruwa.

Kayayyakin Injini

Karfe daraja	Matsayin Haɓakawa /MPa	Ma'aunin tashin hankali /MPa	Tsawaita /%	Zazzabi /° C	Gwajin tasirin nau'in V
					Akv/J
					≤50MM	50-70MM	70-100MM
Babban darajar AH40	≥390	510-660	≥20	0	41/21	-	-
Babban darajar DH40	≥390	510-660	≥20	-20	41/21	-	-
Babban darajar EH40	≥390	510-660	≥20	-40	41/21	-	-
Babban darajar FH40	≥390	510-660	≥20	-60	41/21	-	-