I-AWS E8018-B2 I-Chromium Molybdenum Ukushiswa Kwensimbi Okungamelani Nokushisa I-Electrode R306Fe Stick Electrodes Ukushiswa Okudliwayo

Incazelo emfushane:

I-R306Fe (AWS E8018-B2) iyi-electrode yensimbi engamelani nokushisa ye-pearlitic enempuphu yensimbi kanye ne-hydrogen potassium ephansi equkethe i-1% Cr – 0.5% Mo.


Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

I-Electrode Yokushisela Yensimbi Engamelani Nokushisa ye-Molybdenum ne-Chromium

R306Fe                                                     

I-GB/T E5518-B2

I-AWS A5.5 E8018-B2

Incazelo: I-R306Fe iyi-electrode yensimbi engashisi kahle enempuphu yensimbi kanye ne-hydrogen potassium ephansi equkethe i-1% Cr – 0.5% Mo. Kokubili i-AC ne-DC kungasetshenziswa, futhi kungashiselwa kuzo zonke izikhundla ngokusebenza okufushane kwe-arc. Ukushisa kwangaphambilini kwe-weldment kanye nokushisa kwe-interlayer kungu-160 ~ 250 °C ngesikhathi sokushisela.

Ukusetshenziswa: Kusetshenziselwa ukushisela insimbi engu-1%Cr – 0.5%Mo engangenisi ukushisa (njenge-15CrMo), njengamapayipi okushisa ebhoyila anezinga lokushisa lokusebenza elingaphansi kuka-550°C, amapayipi omusi kanye nemikhumbi yokucindezela enezinga lokushisa lokusebenza elingaphansi kuka-520°C, njll. Ingasetshenziswa ukushisela ama-castings ensimbi angu-30CrMnSi.

 

Ukwakheka kwamakhemikhali kwensimbi eshidiwe (%):

C

Mn

Si

Cr

Mo

S

P

0.05 ~ 0.12

0.50 ~ 0.90

≤0.50

1.00 ~ 1.50

0.40 ~ 0.65

≤0.030

≤0.030

 

Izakhiwo zemishini zensimbi yokushisela:

Into yokuhlola

Amandla okudonsa

I-Mpa

Amandla okukhiqiza

I-Mpa

Ukwelulwa

%

Inani lomthelela (J)

Izinga lokushisa elijwayelekile.

Kuqinisekisiwe

≥540

≥440

≥47

≥27

Kuhlolwe

550 ~ 640

≥450

20 ~ 28

105 ~ 150

 

Okuqukethwe kwe-hydrogen okusakazwayo kwensimbi egciniwe: ≤6.0mL/100g (indlela ye-glycerin)

 

Ukuhlolwa kwe-X-ray: Ibanga lokuqala

 

I-current enconyiwe:

Ububanzi benduku

(mm)

3.2

4.0

5.0

Ukushisela Kwamanje

(A)

100 ~ 130

140 ~ 180

180 ~ 210

 

Isaziso:

1. I-electrode kumele ibhakwe ihora eli-1 cishe ku-350℃ ngaphambi kokusebenza kokushisela;

2. Kubalulekile ukuhlanza izikali zikawoyela, amanzi kanye nokungcola okugqwalile ezingxenyeni zokushisela ngaphambi kokushisela.


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