E9015-B3 electrode ea ho tjheseletsa tšepe e nang le motsoako o tlase

Tlhaloso e Khutšoanyane:

Li-electrode tsa Litšepe tse Hanelang ho Kena


Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

AWS: SFA 5.5 E9015-B3Li-electrode tsa Litšepe tse Hanelang ho Kena

Ho kenya electrode e tlase ea haedrojene 2.25Cr – 1Mo ho weld tšepe, ho bonts'a matla a makatsang a o le khanyetso ea ho thekesela mochesong o phahameng ho fihlela ho 575 C. E sebelisoa bakeng sa ho weld tšepe e sa keneleng metsi ea 21⁄4 Cr-1 Mo le litšepe tsa Cr-Mo-V tse hanelang haedrojene tlas'a khatello hammoho le litšepe tse entsoeng ka mokhoa o tšoanang le oa tšepe e weld. Litšebeliso tse tloaelehileng li kenyelletsa kaho ea boiler ea mouoane, ho weld ea liphaephe tsa mouoane le super-heater, lifeme tsa motlakase, fektheri ea oli le lifeme tsa lik'hemik'hale.

Sebopeho sa lik'hemik'hale sa tšepe eohle e welletsoeng (%)

Karolo C Mn Si P S Cr Mo
Peresente 0.05-0.12 0.5-0.9 0.5 0.030 0.022 2.0-2.5 0.9-1.2

MATLHOHO A MEKHANIKI A TŠEPE EOHLE E WELD

(PWHT: 690°C BAKENG SA HARA E LE 1)

UTS YS Ho lelefatsa
(MPa) (MPa) (L= 4d)%
590 550 15

Lintlha tsa hona joale le tsa ho paka: DC (+)

Boholo (mm)

5 × 450

4×450

3.15×450

2.5×350

Mefuta ea Hona Joale (Li-amps)

200-250

150-190

100-140

70-100

Bongata (Likarolo/Lebokose)

35

55

75

100

Tlhokomelo

1. Omisa di-electrode hape mochesong wa 250-300 C ka hora e le nngwe, ho ya ka mokgwa wa rona o kgothalletswang.

2. Sebelisa seqha se sekgutshwane le sefaha sa thapo.


  • E fetileng:
  • E 'ngoe: