Low-alloy steels X70 line karfe E81T5-GC walda masana'anta kaya
KASHIN KIMIYYA:
ALOY(wt%) | C | Mn | Si | Cr | Ni | Mo | P | S | Al |
GB/T dokokin | 0.15 | 0.5-1.75 | 0.80 | - | 1.00-2.00 | 0.35 | 0.03 | 0.03 | - |
Dokokin AWS | - | - | - | - | - | - | - | - | - |
MISALI DARAJAR | 0.065 | 1.00 | 0.1 | 0.01 | 1.8 | 0.01 | 0.01 | 0.002 | 1.00 |
DUKIYAR INJI:
DUKIYA | KARFIN KYAUTA (MPa) | KARFIN ARZIKI(MPa) | IMAPACT DARAJAR J/℃ | LONGATION(%) | Maganin zafi °Cxh | |||||
GB/T dokokin | 460 | 550-740 | 27/-40 | 17 | AW | |||||
Dokokin AWS | 460 | 550-690 | - | 19 | AW | |||||
MISALI DARAJAR | 510 | 585 | 150/-40 | 25 | AW |
SHAWARAR ALAMOMIN welding:
BAYANIN DIAMETERS(mm) | 1.2 / walda ta atomatik | 1.4 / walda ta atomatik | 1.6 / Semi-atomatik waldi | |||||||
Cika | Yin rubutu | Cika | Yin rubutu | |||||||
Volt | 23-25 | 20-22 | 24-27 | 22-24 | 21-24 | |||||
Am | 220-260 | 180-200 | 240-300 | 190-220 | 200-250 | |||||
Tsawon tsayin bushewa (mm) | 15-20 | 15-20 | 15-20 | 15-20 | 15-20 | |||||
Gudun iskar gas (l/min) | 15-25 | 15-25 | 15-25 | 15-25 | 15-25 |
Flux-Cored waldi waya, 550Mpa alkaline low-alloy karfe.
Kyawawan kafawa, kawar da slag mai kyau, ƙarancin hayaki, tare da kyakkyawar fasahar walda, dacewa da waldawar ƙasa ta tsaye.
Yana da ƙaƙƙarfan ƙarancin zafin jiki mai kyau, juriya mai tsauri da juriya na porosity.
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Harbin Electric - Sanmen, Haiyang MSR
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Carbon karfe, bakin karfe hasumiya waldi
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Ganga miliyan 2.3 na SBM Fast4ward FPSO
KASHIN KIMIYYA:
ALOY(wt%) | C | Mn | Si | Cr | Ni | Mo | P | S | Al |
GB/T dokokin | 0.15 | 0.5-1.75 | 0.80 | - | 1.00-2.00 | 0.35 | 0.03 | 0.03 | - |
Dokokin AWS | - | - | - | - | - | - | - | - | - |
MISALI DARAJAR | 0.065 | 1.00 | 0.1 | 0.01 | 1.8 | 0.01 | 0.01 | 0.002 | 1.00 |
DUKIYAR INJI:
DUKIYA | KARFIN KYAUTA (MPa) | KARFIN ARZIKI(MPa) | IMAPACT DARAJAR J/℃ | LONGATION(%) | Maganin zafi °Cxh | |||||
GB/T dokokin | 460 | 550-740 | 27/-40 | 17 | AW | |||||
Dokokin AWS | 460 | 550-690 | - | 19 | AW | |||||
MISALI DARAJAR | 510 | 585 | 150/-40 | 25 | AW |
SHAWARAR ALAMOMIN welding:
BAYANIN DIAMETERS(mm) | 1.2 / walda ta atomatik | 1.4 / walda ta atomatik | 1.6 / Semi-atomatik waldi | |||||||
Cika | Yin rubutu | Cika | Yin rubutu | |||||||
Volt | 23-25 | 20-22 | 24-27 | 22-24 | 21-24 | |||||
Am | 220-260 | 180-200 | 240-300 | 190-220 | 200-250 | |||||
Tsawon tsayin bushewa (mm) | 15-20 | 15-20 | 15-20 | 15-20 | 15-20 | |||||
Gudun iskar gas (l/min) | 15-25 | 15-25 | 15-25 | 15-25 | 15-25 |
Ku rubuta sakonku anan ku aiko mana