Pono wale e hoʻokuʻu i hoʻokahi papa, hiki ke hoʻokō i ke kūpaʻa corrosion o ka weld tape

Hoʻohana ʻia ka hale kiaʻi no ka distillation, hoʻomaʻemaʻe, absorption, distillation a me nā mea kemika ʻē aʻe, ʻo ka hapa nui o nā mea hale kiaʻi e pono e hoʻopili i ka waika, alkali, paʻakai, nā mea hoʻoheheʻe organik a me nā media corrosive ʻē aʻe, no laila pono e hoʻokuʻu i kahi ʻāpana nui o ka corrosion resistant layer. i loko o ka cylinder a me nā ʻāpana hoʻopaʻa.Ma ke ʻano he ala kūpono o ka hoʻoulu ʻana, hoʻohana nui ʻia ka strip surfacing i ka wiliwili hale kiaʻi o nā mea hana kemika.
ʻO ka ʻenehana hoʻoheheʻe electrode kuʻuna he ʻenehana hoʻoheheʻe ʻana i ke arc submerged submerged me ka papa hoʻololi a me ka papa pale pale corrosion, akā ua lōʻihi kēia ʻenehana i ka pōʻai hana a me ke kumu kūʻai kiʻekiʻe.I mea e hoʻoponopono ai i kēia pilikia, ua hoʻomohala ʻo JingQunCo i nā mea hoʻoheheʻe hoʻoheheʻe hoʻokahi-layer (GDS-309LA welding strip, GXS-ED308L electroslag flux), hiki ke hoʻokō i ka hopena o ka ʻili ʻelua ʻāpana me ka ʻili hoʻokahi wale nō, a hiki ke maʻalahi. ke kaʻina hana ʻili mai ka papa ʻelua i ka ʻili ʻana i hoʻokahi.

ʻO ka hoʻolauna ʻana i nā mea wili

1. ʻO ka ʻāpana Chemical

Rules/Inoa	C	Si	Mn	P	S	Cr	Ni	Note
NB/T47018.5 EQ309LA	≤0.030	≤1.00	0.5-2.5	≤0.025	≤0.015	21.0-23.0	9.0-12.0	kāʻei kūʻai
GDS-309LA	0.018	0.34	1.90	0.017	0.001	21.96	11.17	kāʻei kūʻai

 

Rules/Inoa	NB/T47018.5 FZ308-D	GDS-309LA+GXS-ED308L kāʻei kūʻai + hui ʻana o Flux
C	≤0.05	0.028	0.028	0.029	0.029
Si	≤1.00	0.58	0.64	0.62	0.64
Mn	≤2.5	1.33	1.33	1.35	1.33
P	≤0.030	0.018	0.018	0.018	0.017
S	≤0.020	0.004	0.004	0.004	0.004
Cr	18.0-21.0	18.21	18.47	18.39	18.28
Ni	8.0-11.0	10.12	10.31	10.27	10.30
Nānā	metala waiho ʻia	ʻili wiliwili	Ma lalo o ka ili 1mm	Ma lalo o ka ili 2mm	Ma lalo o ka ʻili 3mm

2.Weld helehelena

Paipai ʻia nā ʻāpana wili

Hōʻike (mm)	0.5*60
Uila(A)	850-950
Voltage(V)	26-30
Wka māmā holo (mm/min)	150
Lka lōʻihi (mm)	35-40
Kuʻi wāwae (mm/min)	6-10
ʻO ka mānoanoa o ka laha ʻana (mm/min)	Apili 25

Weld pass mānoanoa: ma kahi o 4.7mm

Weld laula: ma kahi o 62.5mm

Weld pass hiʻohiʻona: nani ke ʻano, weld ʻili palahalaha, maʻemaʻe ka hoʻololi ʻana.

3.Mechanical mana

ʻO ka maʻiʻo ferrite (ke kūlana welded)

Hoʻohui ʻia i ke kaula hao + Flux	GDS-309LA+GXS-ED308L
Ana waiwai	ʻO ka maʻiʻo ferrite e pili ana i 7FN, a ʻo ka pākēneka ferrite ma kahi o 8%
Ana kūlana	Weld ili

ʻO ke ala hoʻāʻo: GB/T 1954-2008 "chromium-nickel austenitic stainless steel weld ferrite content method ana ana"

Hoʻāʻo piʻo: