A283 Ọkwa D, A283GrD, A283Gr.D, A283 Ọkwa D ígwè, A283 Gr D ígwè efere
Gnee ígwè ọkwa: A283 Ọkwa A, A283 Ọkwa B, A283 Ọkwa C, A283 Ọkwa D
,A283GrA, A283GrB, A283GrC, A283GrD, ọkwa ígwè.
A283 ọkwa D ígwè efere
A283 Grade D efere ígwè arụnyere ga-adaba n'ihe achọrọ nke nkọwapụta a6 / a6m ugbu a. N'ime usoro a, A283 Grade D ga-abụ otu ma ọ bụ karịa n'ime usoro ndị a: oghere oghere, ikuku oxygen ma ọ bụ ọkụ eletrik.
A283 ígwè ọkwa na-ekpuchi akara anọ na A283 Ọkwa A, A283 Ọkwa B, A283 Ọkwa C, na A283 Ọkwa D nke carbon ígwè efere nke structural ngwa n'ozuzu.
Gnee steel ọkọnọ A283 Ọkwa D dị ala na nke etiti tensile ike carbon steel mbupụ ahịa esenidụt, uru anyị bụ ịnye nnukwu efere ígwè maka ndị ahịa anyị kacha mma yana anyị nwekwara ike ikwe ka ndị ọzọ nyochaa ngwongwo anyị na igwe igwe anyị. , ọmụmaatụ, GL, DNV, TUV, CE, LR, BV na na.
Carbon, max | % | Manganese, max | % | Silikoni, max | % | |
Ọkpụrụkpụ niile | 0.27 | Nyocha ngwaahịa | 0.90 | Nyocha ngwaahịa | 0.15-0.40 | |
Phosphorus kacha elu | % | Sulfur max | % | ọla kọpa min% | ||
Ọkpụrụkpụ niile | 0.035 | Ọkpụrụkpụ niile | 0.04 | 0.20 |
Ngwongwo igwe | Ọkwa A283 D |
Ike tensile, kis [MPa] Mpụta ike, min, kis [MPa] Mgbatị n'ime 8 inch [200 mm], nkeji, % Mgbatị n'ime 2 in. [50 mm], nkeji, % |
60-80[415-550] 33[230] 20 23 |