AWS E8018-B2 Chromium Molybdenum Okpomọkụ Na-eguzogide Steel Welding Electrode R306Fe Stick Electrodes Welding Consumables

Nkọwa dị mkpirikpi:

R306Fe (AWS E8018-B2) bụ pearlitic okpomọkụ na-eguzogide ígwè electrode na ígwè ntụ ntụ na obere hydrogen potassium ụdị mkpuchi nwere 1% Cr – 0.5% Mo.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Molybdenum na Chromium Molybdenum Okpomọkụ Na-eguzogide Steel Welding Electrode

R306F                                                     

GB/T E5518-B2

AWS A5.5 E8018-B2

Nkọwa: R306Fe bụ pearlitic okpomọkụ na-eguzogide ígwè electrode na ígwè ntụ ntụ na obere hydrogen potassium ụdị mkpuchi nwere 1% Cr - 0.5% Mo. Ma AC na DC nwere ike iji, na ike welded na niile ọnọdụ na obere arc arụ ọrụ.The preheating nke weldment na interlayer okpomọkụ bụ 160 ~ 250 Celsius C n'oge ịgbado ọkụ.

Ngwa: A na-eji maka ịgbado ọkụ nke 1% Cr - 0.5% Mo pearlitic okpomọkụ na-eguzogide ígwè (dị ka 15CrMo), dị ka ọkụ ọkụ ọkụ elu ọkpọkọ na-arụ ọrụ okpomọkụ n'okpuru 550 ° C, uzuoku ọkpọkọ na nrụgide arịa na-arụ ọrụ okpomọkụ n'okpuru 520 ° C. , wdg. Enwere ike iji ya maka ịgbado ọkụ nke 30CrMnSi ígwè nkedo.

 

Ngwakọta kemịkalụ nke igwe weld (%):

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

 

Njirimara nke igwe weld metal:

Nwalee ihe

Ike ọdụdọ

Mpa

Mpụta ike

Mpa

Ogologo oge

%

Uru mmetụta (J)

Okpomọkụ nkịtị.

Ekwenyere

≥540

≥440

≥47

≥27

nwalere

550 ~ 640

≥450

20 ~ 28

105 ~ 150

 

Mgbasa hydrogen ọdịnaya nke ọla edobere: ≤6.0mL/100g (glycerin usoro)

 

Nyocha x-ray: akara ule

 

Akwadoro ugbu a:

Dayameta mkpanaka

(mm)

3.2

4.0

5.0

Welding Ugbu a

(A)

100 ~ 130

140 ~ 180

180-210

 

Mara:

1. The electrode ga-abụọ maka 1 hour na gburugburu 350 ℃ tupu ịgbado ọkụ ọrụ;

2. Ọ dị mkpa iji kpochaa nchara, ọnụ ọgụgụ mmanụ, mmiri na adịghị ọcha na akụkụ ịgbado ọkụ tupu ịgbado ọkụ.


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