AWS D507 Hardfacing Welding Electrodes na-eyi mkpara ịgbado ọkụ na-eguzogide maka onyonyo egosipụtara

AWS D507 Mgbado ọkụ eletrik na-eyi mkpara ịgbado ọkụ maka ịgbado ọkụ Arc

Nkọwa dị mkpirikpi:

Nke a bụ elektrọd ịgbado ọkụ na-agbanwe agbanwe maka ịgbado ọkụ nke carbon steel ma ọ bụ ogwe nchara alloy na valves nwere okpomọkụ na-arụ ọrụ n'okpuru 450 Celsius.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Jiri:

Nke a bụ elektrọd ịgbado ọkụ na-agbanwe agbanwe maka ịgbado ọkụ nke carbon steel ma ọ bụ ogwe nchara alloy na valves nwere okpomọkụ na-arụ ọrụ n'okpuru 450 Celsius.

NKWUKWU ỌLA KWESỊRỊTA (%):

	C	Cr	S	P	Ihe ndị ọzọ nke mkpokọta
nkwa uru	≤0.15	10.00 ~ 16.00	≤0.030	≤0.040	≤2.50
Uru ihe atụ	0.13	13.34	0,006	0.022	-

OKWU IKE NKE N'elu ala:

(Ikuku jụrụ mgbe ịgbado ọkụ) HRC ≥ 40

Ntụaka dị ugbu a (DC +):

Dayameta Electrode (mm)	φ3.2	φ4.0	φ5.0
Mgbado ọkụ ugbu a (A)	80 ~ 120	120 ~ 160	160 ~ 200

MKPACHAPỤ ANYA:

⒈ ịgbado ọkụ electrode na-300 ~ 350 ℃ mmiri 1h.

⒉ tupu ịgbado ọkụ na workpiece na-preheated ka 300 ℃ n'elu, mgbe ịgbado ọkụ dị iche iche okpomọkụ ọgwụgwọ nwere ike nweta kwesịrị ekwesị ekweghị ekwe.

MGBE NDỊ MMADỤ AWS E6010:

AWS E6010 bụ ụdị cellulose-Na ụdị ịgbado ọkụ electrodes, pụrụ iche maka DC.Ọ na-anakwere teknụzụ mba ofesi dị elu, ọ nwere ARC na-abanye n'ime ala, slags ole na ole, ikepụ dị mfe, ịgbado ọkụ dị elu nke ọma, njirimara arụmọrụ mara mma.Ọ nwere ike na-eji maka ịgbado ọkụ niile ọnọdụ, vetikal elu na ala ọnọdụ ịgbado ọkụ wdg o nwere ike iru mmetụta na otu akụkụ ịgbado ọkụ abụọ n'akụkụ guzobe.

Ngwa:

Mkpanaka ịgbado ọkụ AWS E6010 tumadi maka ịgbado ọkụ carbon ígwè ọkpọkọ ma ọ bụ otu ihe, na-akwado weld / ndochi weld / ịchọ mma weld maka nchara Ọdịdị ala.

Ngwakọta kemịkalụ (%)

AKWỤKWỌ NGWA NKE ỌLA KWESỊRỊ:

Nwale ihe	Rm (N/mm2)	Rel (N/mm2)	A (%)	KV2(J) 0℃
Uru ekwe nkwa	≥460	≥340	≥16	≥47
Nsonaazụ izugbe	485	380	28.5	86

Ntụaka dị ugbu a (DC):

Dayameta	φ2.0	φ2.5	φ3.2	φ4.0	φ5.0
Amperage	40 ~ 70	50 ~ 90	90 ~ 130	130 ~ 210	170 ~ 230

IHE:

1. Ọ dị mfe ikpughe na mmiri mmiri, biko debe ya na ọnọdụ akọrọ.

2. Ọ chọrọ ikpo ọkụ mgbe ngwugwu na-agbaji ma ọ bụ mmiri na-etinye uche, okpomọkụ okpomọkụ kwesịrị ịdị n'etiti 70C ruo 80C, oge okpomọkụ kwesịrị ịbụ site na 0,5 ruo 1 awa.

3. Mgbe ị na-eji 5.0mm ịgbado ọkụ electrodes, ọ ka mma iji elu-thrust, ala-ugbu a, iji welie ịgbado ọkụ arụmọrụ.