J557SLA、J557SLB ʻO ke koʻokoʻo wili hao haʻahaʻa AWS E8015-G Nā electrodes lāʻau hao haʻahaʻa no ka wili Arc

Wehewehe Pōkole:

He electrode kūikawā kēia i uhi ʻia me ka sodium haʻahaʻa hydrogen no ke kila aluminized.


Nā kikoʻī huahana

Nā Lepili Huahana

ʻElektrode Kuʻihao Kila Alloy Haʻahaʻa

J557SLA, J557SLB                                        

GB/T E5515-G

ʻAWS E8015-G

Wehewehe: He electrode kūikawā kēia i uhi ʻia me ka sodium haʻahaʻa hydrogen no ke kila aluminized. E hoʻohana i ka DCEP (electrode au pololei maikaʻi), a hiki ke hoʻopaʻa ʻia ma nā kūlana āpau me ka hana arc pōkole. Hiki ke hoʻopaʻa pololei ʻia ʻo J557SLA me ka ʻole o ka wehe ʻana i ka papa aluminized ma ka ʻili groove ma mua o ka hoʻopaʻa ʻana. Akā pono ka J557SLB e wehe i ka papa aluminized ma ka ʻili groove ma mua o ka hoʻopaʻa ʻana.

Noi: Hoʻohana ʻia no ka wili ʻana i ke ʻano kila aluminized ma lalo o ka corrosion medium o ka hydrogen sulfide, sulfur, ammonia, ammonium bicarbonate a me ka hydrogen nitrogen me ka mahana hana ma lalo o 540 ° C. E like me nā paipu paila, nā lako hana hoʻomaʻemaʻe ʻaila, nā lako mea hoʻomomona a me nā paipu mahu, a pēlā aku.

 Ka hoʻohuihui kemika o ka metala i hoʻoheheʻe ʻia (%):

C

Mn

Si

Cr

Mo

Al

S

P

≤0.12

0.50 ~ 0.90

≤0.50

≈0.80

≥0.20

≤0.055

≤0.035

≤0.035

 Nā ʻano mechanical o ka metala i hoʻoheheʻe ʻia:

Mea hoʻāʻo

Ikaika tensile

Mpa

Ikaika hāʻawi

Mpa

Hoʻolōʻihi

%

Ka waiwai hopena (J)

Mahana Maʻamau.

Hōʻoiaʻiʻo ʻia

≥540

≥440

≥17

≥49

 

Ka nui o ka hydrogen diffusion o ka metala i waiho ʻia: ≤6.0mL/100g (ʻano glycerin)

 

Nānā X-ray: papa I

 

Manaʻo ʻia kēia manawa:

(mm)

Anawaena o ke koʻokoʻo

2.5

3.2

4.0

5.0

(A)

Au Kuʻihao

50 ~ 80

80 ~ 110

130 ~ 170

160 ~ 200

 

Hoʻolaha:

1. Pono e hoʻomoʻa ʻia ka electrode no 1 hola ma kahi o 350 ℃ ma mua o ka hana kuʻihao;

2. He mea nui e hoʻomaʻemaʻe i ka ʻōpala, ka unahi aila, ka wai, a me nā mea haumia ma nā ʻāpana kuʻihao ma mua o ka kuʻihao ʻana.


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