20 #Q355B na akụrụngwa fatịlaịza ndị ọzọ na-enwe nnukwu nsogbu ọpịpị na-enweghị ntụpọ egosipụtara Image

20 #Q355B na ndị ọzọ fatịlaịza akụrụngwa elu-nrụgide enweghị nkebi anwụrụ

Nkọwa dị mkpirikpi:

Ọkụ pụrụ iche fatịlaịza GB6479-2000 na-ezo aka na ọkpọkọ igwe anaghị agba nchara maka akụrụngwa fatịlaịza dị elu.A na-eji ya eme ihe maka ibuga pipeline mmiri dị elu na okpomọkụ dị elu na akụrụngwa fatịlaịza.Ihe nnọchi anya bụ 20, 16Mn, 12CrMo, 12Cr2Mo, wdg.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Ntinye ngwaahịa

A na-eji ọkpọkọ ígwè maka fatịlaịza kemịkal eme ihe iji rụpụta ezigbo carbon structural steel, alloy structural steel na igwe anaghị agba nchara na-eguzogide igwe anaghị agba nchara maka ọkpọkọ ọkpọkọ uzuoku nwere nnukwu nrụgide na n'elu tubes na tubes ndị a na-arụ ọrụ n'okpuru okpomọkụ dị elu. na nrụgide dị elu, na tubes ga-abụ oxidized na corroded n'okpuru omume nke elu okpomọkụ flue gas na uzuoku.Ya mere, a na-achọ tubes ígwè ahụ ka ọ nwee ike dị elu, nkwụsị oxidation dị elu, na nkwụsi ike nhazi nke ọma.Akara igwe eji eme ihe bụ: ọkwa nchara arụrụ arụ carbon dị elu bụ 20G, 20MnG, 25MnG;Alloy structural steel akara ule 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, wdg;Igwe ọkụ ọkụ ọkụ ọkụ 1Cr18Ni9 na 1Cr18Ni11Nb a na-ahụkarị nke ejiri nchara na nchara na-eguzogide okpomọkụ ga-adị n'okpuru ule hydrostatic, flaring na flattening n'otu n'otu na mgbakwunye na ịgba mbọ hụ na mejupụtara kemịkalụ na akụrụngwa akụrụngwa.A ga-ewepụta tubes ígwè pụrụ iche maka fatịlaịza kemịkalụ na steeti ọgwụgwọ okpomọkụ.

gburugburu ọdabara

The pụrụ iche anwụrụ maka fatịlaịza (GB6479-2000) bụ a elu-edu carbon structural ígwè na alloy ígwè enweghị nkebi ígwè anwụrụ adabara chemical ngwá na ọkpọkọ na-arụ ọrụ okpomọkụ nke - 40 ~ 400 ℃ na-arụ ọrụ mgbali nke 10 ~ 30Ma.

High mgbali alloy ọkpọkọ maka fatịlaịza akụrụngwa (GB6479-2000) bụ a elu-edu carbon structural ígwè na alloy ígwè enweghị nkebi ígwè anwụrụ adabara chemical ngwá na ọkpọkọ na-arụ ọrụ okpomọkụ nke - 40 ~ 400 ℃ na-arụ ọrụ mgbali nke 10 ~ 30Ma.

Mmepụta mmepụta

(1) Usoro mmepụta:

① The ojiji okpomọkụ nke ígwè ọkpọkọ maka fatịlaịza bụ n'okpuru 450 ℃, na ụlọ ọkpọkọ na-tumadi mere nke na-ekpo ọkụ akpọrepu ma ọ bụ oyi adọta 10 # na 20 # carbon bonded ígwè ọkpọkọ.

② A na-ejikarị ọkpọkọ ígwè pụrụ iche maka fatịlaịza n'okpuru okpomọkụ dị elu na nrụgide dị elu, na ọkpọkọ ga-abụ oxidized na corroded n'okpuru omume nke elu okpomọkụ flue gas na mmiri vapor.A chọrọ ọkpọkọ ígwè ka ọ nwee ike dị elu, nnukwu oxidation na corrosion resistance, na nkwụsi ike nhazi dị mma.

(2) Ebumnuche:

①Steel ọkpọkọ maka chemical fatịlaịza na-bụ-eji rụpụta mmiri mgbidi ọkpọkọ, esi mmiri ọkpọkọ, superheated uzuoku ọkpọkọ, superheated uzuoku ọkpọkọ maka locomotive ji esi mmiri ọkụ, nnukwu na obere anwụrụ anwụrụ ọkpọkọ na arch brik ọkpọkọ.

②A na-eji ọkpọkọ ígwè a na-ejikarị eme ihe maka fatịlaịza na-emepụta ọkpọkọ superheater, ọkpọkọ reheater, ikuku ikuku, ọkpọkọ isi uzuoku, wdg nke nnukwu nrụgide na ultra-high pressure ji esi mmiri ọkụ.

Ngosipụta ngwaahịa

Usoro eruba nke sanitary mirror tube:

Tube oghere -- nnyocha --peeling -- nnyocha -- kpo oku --ịkpọpu -- pickling --egweri -- lubrication na ikuku ihicha - ịgbado ọkụ isi - oyi ịbịaru - ngwọta ọgwụgwọ - pickling - pickling na passivation - --nyocha - oyi na-akpụgharị -- iwetulata -- ịkpụ isi -- ikuku ihicha -- n'ime polishing -- mpụga polishing -- nnyocha -- njirimara -- okokụre ngwaahịa nkwakọ ngwaahịa.

Industrial pipe usoro eruba

Tube oghere -- nnyocha --peeling -- nnyocha -- kpo oku --ịkpọpu -- pickling -- ero nrụzi -- mmanu na ikuku ihicha --ịgbado ọkụ isi - oyi ịbịaru - ngwọta ọgwụgwọ - pickling - pickling na passivation --nyocha

Chemical mejupụtara nke fatịlaịza tubes

Ụdị	Ngwakọta kemịkalụ (irighiri oke) (%)
	C	Si	Mn	-	-	Cr	Mo
10	0.07-0.14	0.17-0.37	0.35-0.65	0,040	0,035	-	-
20G	0.17-0.24	0.17-0.37	0.35-0.65	0,035	0,035	-	-
16 nde	0.12-0.20	0.20-0.60	1.20-1.60	0,040	0,040	-	-
15MnV	0.12-0.18	0.20-0.60	1.20-1.60	0,040	0,040	0.04-0.12	-
10MoWVNb	0.07-0.13	0.50-0.80	0.50-0.80	0,030	0,040	0.30-0.50	0.60-0.90
12CrMo	0.08-0.15	0.17-0.37	0.40-0.70	0,040	0,035	0.40-0.70	0.40-0.55
15CrMo	0.12-0.18	0.17-0.37	0.40-0.70	0,040	0,035	0.80-1.10	0.40-0.55
1Cr5Mo	≤0.15	≤0,50	≤0.60	0,030	0,035	4.00-6.00	0.40-0.60
12Cr2Mo	0.08-0.15	0.40-0.70	≤0,50	0,035	0,035	2.00-2.50	0.90-1.20

Nkọwa nke ọkpọkọ fatịlaịza

Nkọwapụta	Nkọwapụta	Nkọwapụta	Nkọwapụta
48*5	53*11	57*15	68*6
48*5.5	53*12	58*1.8	68*6.3
48*6	53*14	58*11	68*7
48*6.5	53*1.5	60*2	68*8
48*7	53*6	60*2.5	68*9
48*8	54*2	60*3	68*10
48*8.5	54*2.5	60*3.5	68*11
48*9	54*3	60*4	68*12
48*10	54*3.5	60*4.5	68*12.5
48*11	54*4	60*5	68*14
48*12	54*4.5	60*5	68*16
49*4	54*5	60*5.5	70*3.5
49*10	54*5.5	60*6	70*4
50*1.5	54*6	60*6.5	70*4
50*2	54*6.5	60*7	70*4.5
50*2.5	54*7	60*7.5	70*5
50*3	54*8	60*8	70*6
50*3.5	54*8.5	60*9	70*6.5
50*4	54*9	60*10	70*7
50*4.5	54*10	60*11	70*8
50*5	54*11	60*12	70*9
50*6	54*12	60*14	70*10
50*7	54*14	63.5*2	70*11
50*8	55*4.5	63.5*3	70*12
50*9	55*5.5	63.5*3.5	70*14
50*9	56*4	63.5*4	70*16
50*10	56*4.5	63.5*4.5	73*3
50*11	56*5	63.5*5	73*3.5
50*12	56*6	63.5*5.5	73*4
51*1.8	56*9	63.5*6	73*4.5
51*3	57*3	63.5*7	73*5
51*3.5	57*3.5	63.5*8	73*5.5
51*3.6	57*4	63.5*9	73*6
51*3.8	57*4.5	63.5*10	73*7
51*4	57*5	63.5*14	73*8
51*4.5	57*5.5	63.5*15	73*10
51*5	57*6	63.5*16	73*11
51*5.5	57*7	68*3	73*12
51*6	57*8	68*3.5	73*12.5
51*7	57*9	68*4	73*14
51*8	57*9.5	68*4	73*15
51*8.5	57*10	68*4.5	73*16
51*9	57*12	68*5	73*18