Nchara na-ewu ụgbọ mmiri n'ozuzu na-ezo aka na nchara maka ihe owuwu ụlọ, nke na-ezo aka na ígwè a na-eji arụpụta ihe arụrụ arụ arụpụtara dị ka ihe achọrọ maka nhazi nhazi nke ọha mmadụ. A na-enyekarị iwu, hazie ma ree ya dị ka nchara pụrụ iche. Otu ụgbọ mmiri na-agụnye efere ụgbọ mmiri, ígwè nwere ụdị, wdg.
Ka ọ dị ugbu a, ọtụtụ ụlọ ọrụ nchara dị iche iche na mba m nwere mmepụta, ma nwee ike ịmepụta ngwaahịa nchara mmiri dị ka mkpa onye ọrụ si dị na mba dị iche iche, dị ka United States, Norway, Japan, Germany, France, wdg. Nkọwapụta bụ ndị a:
Obodo | Ọkọlọtọ | Obodo | Ọkọlọtọ |
United States | ABS | China | CCS |
Germany | GL | Norway | DNV |
France | BV | Japan | KDK |
UK | LR |
(1) Nkọwa dị iche iche
A na-ekewa nchara arụ ọrụ maka akwa akwa n'ime ọkwa ike dị ka ebe mkpụrụ kacha nta ha siri dị: nchara nhazi ike zuru oke na nchara nhazi dị elu.
The izugbe ike structural ígwè kpọmkwem site China Classification Society na-ekewa anọ àgwà ọkwa: A, B, D, na E; The elu-ike structural ígwè kpọmkwem site China Classification Society na-ekewa atọ ike etoju na anọ àgwà ọkwa:
A32 | A36 | A40 |
D32 | D36 | D40 |
E32 | E36 | E40 |
F32 | F36 | F40 |
(2) Mechanical Njirimara na chemical mejupụtara
Mechanical Njirimara na chemical mejupụtara nke izugbe ike hull structural ígwè
Ọkwa ígwè | Ọnụ Mpụtaσs(MPa) Min | Ike ọdụdọσb (MPa) | Ogologo ogeσ%Min | C | 锰Mn | Si | S | 磷P |
A | 235 | 400-520 | 22 | ≤0.21 | ≥2.5 | ≤0.5 | ≤0.035 | ≤0.035 |
B | ≤0.21 | ≥0.80 | ≤0.35 | |||||
D | ≤0.21 | ≥0.60 | ≤0.35 | |||||
E | ≤0.18 | ≥0.70 | ≤0.35 |
Mechanical Njirimara na chemical mejupụtara nke elu-ike hull structural ígwè
Ọkwa ígwè | Ọnụ Mpụtaσs(MPa) Min | Ike ọdụdọσb (MPa) | Ogologo ogeσ%Min | C | 锰Mn | Si | S | 磷P |
A32 | 315 | 440-570 | 22 | ≤0.18 | ≥0.9-1.60 | ≤0.50 | ≤0.035 | ≤0.035 |
D32 | ||||||||
E32 | ||||||||
F32 | ≤0.16 | ≤0.025 | ≤0.025 | |||||
A36 | 355 | 490-630 | 21 | ≤0.18 | ≤0.035 | ≤0.035 | ||
D36 | ||||||||
E36 | ||||||||
F36 | ≤0.16 | ≤0.025 | ≤0.025 | |||||
A40 | 390 | 510-660 | 20 | ≤0.18 | ≤0.035 | ≤0.035 | ||
D40 | ||||||||
E40 | ||||||||
F40 | ≤0.16 | ≤0.025 | ≤0.025 |
(3) Akpachara anya maka nnyefe na nnabata nke ngwaahịa igwe mmiri:
1. Nyochaa asambodo ịdị mma:
Ụlọ ọrụ nchara ahụ ga-ebuga ngwongwo ndị ahụ dịka ihe onye ọrụ chọrọ na nkọwa ndị a kwadoro na nkwekọrịta ma nye akwụkwọ ikike mbụ. Asambodo ahụ ga-enwerịrị ọdịnaya ndị a:
(1) chọrọ nkọwapụta;
(2) Nọmba ndekọ ogo na nọmba asambodo;
(3) Nọmba ogbe ọkụ, ọkwa teknụzụ;
(4) Ngwakọta kemịkalụ na akụrụngwa akụrụngwa;
(5) Asambodo nkwado sitere na ọha mmadụ nkewa na mbinye aka nke onye nyocha.
2. Nlebanya anụ ahụ:
Maka nnyefe nke igwe mmiri, ihe anụ ahụ kwesịrị inwe akara ngosi nke onye nrụpụta, wdg Kpọmkwem:
(1) Akara nkwado obodo nhazi ọkwa;
(2) Jiri agba iji kewaa ma ọ bụ mado akara ahụ, gụnyere paramita teknụzụ dị ka: nọmba batch oven, ọkwa ọkwa nkọwapụta, ogologo na obosara akụkụ, wdg;
(3) Ọdịdị ahụ dị nro ma dị nro, na-enweghị ntụpọ.
Oge nzipu: Mar-16-2024