Ibicuruzwa
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ASTM A131 Icyiciro A  / B Isahani yicyuma
ASTM A131 Icyiciro A  / B Isahani yicyuma
ASTM A131 Icyiciro A  / B Isahani yicyuma
ASTM A131 Icyiciro A  / B Isahani yicyuma

ASTM A131 Icyiciro A / B Isahani yicyuma

ASTM A131 ni urwego rwimiterere yicyuma gikoreshwa hafi yinganda zubaka ubwato. Uru rwego rusobanurwa nkimbaraga zisanzwe hamwe numusaruro ntarengwa wa 34KSI (235Mpa). Mubisabwa harimo barge, ibikoresho byo mu nyanja no kubaka ubwato. Aya manota kandi yemejwe na Biro yo muri Amerika ishinzwe gutwara ibicuruzwa (ABS)
Kwerekana muri make icyuma cyo mu nyanja hamwe na A131 imbaraga zisanzwe
Icyuma cyo mu nyanja bivuga ibyuma byubatswe bikoreshwa mu kubaka ubwato. Bifatwa nk'urwego rwo mu nyanja kandi rugomba kuba rushobora kurwanya ingaruka mbi zangiza ibidukikije. Kugirango ubigereho, ibintu bidasanzwe bivanga byongewe kuri aya manota murwego rwo kurinda ruswa ya agaist.Mu gihe ibyuma byinshi bya karubone bidakwiranye n’ibidukikije byo mu nyanja, hari ibyuma byinshi byo mu nyanja byo mu nyanja byemejwe n’imiryango itandukanye yo kubaka ubwato.

Ibyuma byubatswe kubwato bigabanijwemo ibyiciro byimbaraga ukurikije imbaraga zabyo nkeya: imbaraga rusange zubaka ibyuma hamwe nimbaraga zikomeye zubaka. Icyuma cya Maine bivuga icyuma gishyushye kizengurutse cyakozwe hakurikijwe ibisabwa na societe ya classique yo kubaka inyubako zubwato. Imbaraga rusange zibyuma bya societe yubushinwa igabanijwemo ibyiciro bine byujuje ubuziranenge: A B D na E.

Hano ku isi hose hari societe 9 zingenzi.
A.B.S Ibiro bishinzwe gutwara abantu muri Amerika
B.V. Biro Veritas
C.C.S. Umuryango w’Ubushinwa
D.N.V Det Norske Veritas
G.L. Germanischer Lloyd
K.R. Igitabo cyo muri Koreya cyo kohereza
L.R. Igitabo cya Lloyd cyo kohereza
N.K. Nippon Kaiji Kyokai
R.I.N.A Registro Italiano Navale

ASTM A131 ni urwego rwimiterere yicyuma gikoreshwa hafi yinganda zubaka ubwato. Uru rwego rusobanurwa nkimbaraga zisanzwe hamwe numusaruro ntarengwa wa 34KSI (235Mpa). Mubisabwa harimo barge, ibikoresho byo mu nyanja no kubaka ubwato. Aya manota kandi yemejwe na Biro yo muri Amerika ishinzwe gutwara ibicuruzwa (ABS)

Ibi bisobanuro bikubiyemo ibyuma byubatswe byubatswe, imiterere, utubari n'imirongo igenewe cyane cyane gukoreshwa mubwubatsi.
Imbaraga zisanzwe- Urwego A B D CS na E hamwe numusaruro ntarengwa wa 34 ksi (235MPa)


Ubwubatsi bw'ubwato nibyingenzi mubiranga Amerika kandi ubuhanga bwabanyamerika burabagirana mubwato bwabwo, ubwato, ubwato butwara abagenzi, hamwe nabatwara indege. Ubwato bunini butangirira ku cyuma cyiza cyo mu rwego rwo hejuru kandi Gnee yishimiye guha inganda zo muri Amerika kubaka ubwato hamwe n’ibyuma byo mu nyanja n’inyanja birwanya ruswa kandi bikomeye, byerekana ko ubukana bwagabanutse, ndetse no mu bushyuhe bukonje, kandi byongera imbaraga zo kurwanya ihungabana ry’ingufu kandi kunyeganyega. Ibyapa byacu byose byo mu nyanja byujuje ubuziranenge bwashyizweho na ABS (Ikigo cy’Abanyamerika gishinzwe ubwubatsi), ASTM, na API (Ikigo cya Amerika gishinzwe peteroli). Turi abatanga ibyiringiro byo gutanga ibyuma bya marine & offshore ibyuma kwisi yose hamwe nabubaka ubwato
Ibigize imiti hamwe nubukanishi
Ibisabwa bya Shimi kubisanzwe-Imbaraga zubaka
Ikintu Icyiciro A. Icyiciro B. Icyiciro D. Icyiciro E. Icyiciro cya CS
Kwangiza no kubyimba (t) muri mm
t> 2.0 muri (50mm) t> 2.0 muri (50mm) t> 1.0 muri (50mm)
C. 0.21 0.21 0.21 0.18 0.16
Mn min 2.5XC 0.60 0.60 0.70 1.00
Si 0.50 0.35 0.10-0.35 0.10-0.35 0.10-0.35
P. 0.035 0.035 0.035 0.035 0.035
S. 0.035 0.035 0.035 0.035 0.035
Ni - - - -
Cr - - - - -
Mo. - - - - -
Cu - - - - -
C + Mn / 6 0.40 0.40 0.40 0.40 0.40

Ibisabwa bya Tensile kubisanzwe-Imbaraga nimbaraga Zisumbuye-Imbaraga Zubaka
Icyiciro Imbaraga zingutu ksi (Mpa) Imbaraga Zitanga min ksi (Mpa) Kurambura muri 8 muri (200mm)% Kurambura muri 2 muri (50mm) min%
Imbaraga zisanzwe
A B D CS E.
58-75(400-520) 34(235) 21 24
Ibicuruzwa bifitanye isano
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ABS Icyiciro cya AH32 Ubwubatsi bwubwato
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CCS AH40 Isahani yo mu nyanja
Icyiciro cya RINA AH40 DH40 EH40 FH40 Isahani yo mu nyanja
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Icyiciro cya RINA EH40 Icyuma cyo mu nyanja
Icyiciro cya RINA Icyiciro cya DH40 Icyuma cyo mu nyanja
Icyiciro cya RINA AH40 Icyuma cyo mu nyanja
Icyiciro cya RINA AH36 DH36 EH36 FH36 Isahani yicyuma
Icyiciro cya RINA FH36 Icyuma cyo mu nyanja
Icyiciro cya RINA EH36 Icyuma cyo mu nyanja
Icyiciro cya RINA AH36 Icyuma cyo mu nyanja
B480GNQR Icyuma
Icyiciro cya RINA AH32 DH32 EH32 FH32 Isahani yo mu nyanja
RINA Icyiciro cya FH32 Icyuma cyo mu nyanja
Icyiciro cya RINA EH32 Icyuma cyo mu nyanja
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