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A283 Grade B, A283GrB, A283Gr.B, A283 Grade B karfe, A283 Gr B karfe farantin
Ɗauki misali: ASTM A283 / A283M
Gnee karfe sa: A283 Grade A, A283 B, A283 Grade C, A283 Grade D
,A283GrA, A283GrB, A283GrC, A283GrD, Karfe daraja.
A283 Grade B karfe farantin karfe
A283 Grade B faranti na karfe da aka shirya zai dace da buƙatun ƙayyadaddun ƙayyadaddun a6 / a6m na yanzu. A cikin tsari, A283 Grade B za a yi ta ɗaya ko fiye na matakai masu zuwa: buɗaɗɗen murhu, iskar oxygen ko tanderun lantarki.
A283 karfe sa maida hankali ne akan maki hudu a A283 Grade A, A283 Grade B, A283 Grade C, da A283 Grade D na carbon karfe faranti na tsarin ingancin ga general aikace-aikace.
Gnee karfe wadata A283 Grade B low da matsakaici tensile ƙarfi carbon karfe don fitarwa kasuwar ketare, mu fa'idar ita ce samar da super lokacin farin ciki farantin karfe ga abokan ciniki a cikin mafi ingancin da kuma za mu iya bari wani ɓangare na uku su duba mu kayan a cikin mu niƙa. , misali, GL, DNV, TUV, CE, LR, BV da sauransu.
| Carbon, max | % | Manganese, max | % | Silicon, max | % | |
| Duk Kauri | 0.17 | Binciken Samfura | 0.90 | Binciken Samfura | 0.15-0.40 | |
| Phosphorus max | % | Sulfur max | % | Copper min% | ||
| Duk kauri | 0.035 | Duk kauri | 0.04 | 0.20 | ||
| Kayan Injiniya | Babban darajar A283 |
| Ƙarfin ƙarfi, kis [MPa] Ƙarfin bayarwa, min, sumba [MPa] Tsawaitawa cikin inci 8 [200 mm], min, % Tsawaitawa cikin inci 2 [50 mm], min, % |
50-56[345-450] 27[185] 25 28 |
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