seamless alloy, irin pipe ASTM A335 P9
Akopọ
Standard: ASTM A335
Ẹgbẹ Ite: P5,P9,P11,P22,P91,P92 ati be be lo.
Sisanra: 1 - 100 mm
Ode opin (Yika): 10 - 1000 mm
Ipari: Gigun ti o wa titi tabi ipari laileto
Apẹrẹ Abala: Yika
Ibi ti Oti: China
Iwe eri: ISO9001:2008
Alloy Tabi Ko: Alloy
Ohun elo: igbomikana Pipe
Itọju Ilẹ: Bi ibeere alabara
Ilana: Gbona Yiyi / Tutu Fa
Itọju igbona: Annealing/normalizing/Tempering
Paipu Pataki: Nipọn Wall Pipe
Lilo: paipu ategun titẹ giga, igbomikana ati Oluyipada Ooru
Idanwo: ET/UT
Ohun elo
O ti wa ni o kun lo lati ṣe ga-didara alloy irin igbomikana pipe, ooru paarọ paipu, ga titẹ nya paipu fun Epo ilẹ ati kemikali ile ise
Akọkọ ite
Ite ti ga-didara alloy pipe: P1, P2, P5, P9, P11, P22, P91, P92 ati be be lo
Ohun elo Kemikali
Ipele | UN | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
Sequiv. | ||||||||
P1 | K11522 | 0.10 ~ 0.20 | 0.30 ~ 0.80 | 0.025 | 0.025 | 0.10 ~ 0.50 | – | 0.44 ~ 0.65 |
P2 | K11547 | 0.10 ~ 0.20 | 0.30 ~ 0.61 | 0.025 | 0.025 | 0.10 ~ 0.30 | 0.50 ~ 0.81 | 0.44 ~ 0.65 |
P5 | K41545 | 0.15 | 0.30 ~ 0.60 | 0.025 | 0.025 | 0.5 | 4.00 ~ 6.00 | 0.44 ~ 0.65 |
P5b | K51545 | 0.15 | 0.30 ~ 0.60 | 0.025 | 0.025 | 1.00 ~ 2.00 | 4.00 ~ 6.00 | 0.44 ~ 0.65 |
P5c | K41245 | 0.12 | 0.30 ~ 0.60 | 0.025 | 0.025 | 0.5 | 4.00 ~ 6.00 | 0.44 ~ 0.65 |
P9 | S50400 | 0.15 | 0.30 ~ 0.60 | 0.025 | 0.025 | 0.50 ~ 1.00 | 8.00 ~ 10.00 | 0.44 ~ 0.65 |
P11 | K11597 | 0.05 ~ 0.15 | 0.30 ~ 0.61 | 0.025 | 0.025 | 0.50 ~ 1.00 | 1.00 ~ 1.50 | 0.44 ~ 0.65 |
P12 | K11562 | 0.05 ~ 0.15 | 0.30 ~ 0.60 | 0.025 | 0.025 | 0.5 | 0.80 ~ 1.25 | 0.44 ~ 0.65 |
P15 | K11578 | 0.05 ~ 0.15 | 0.30 ~ 0.60 | 0.025 | 0.025 | 1.15 ~ 1.65 | – | 0.44 ~ 0.65 |
P21 | K31545 | 0.05 ~ 0.15 | 0.30 ~ 0.60 | 0.025 | 0.025 | 0.5 | 2.65 ~ 3.35 | 0.80 ~ 1.60 |
P22 | K21590 | 0.05 ~ 0.15 | 0.30 ~ 0.60 | 0.025 | 0.025 | 0.5 | 1.90 ~ 2.60 | 0.87 ~ 1.13 |
P91 | K91560 | 0.08 ~ 0.12 | 0.30 ~ 0.60 | 0.02 | 0.01 | 0.20 ~ 0.50 | 8.00 ~ 9.50 | 0.85 ~ 1.05 |
P92 | K92460 | 0.07 ~ 0.13 | 0.30 ~ 0.60 | 0.02 | 0.01 | 0.5 | 8.50 ~ 9.50 | 0.30 ~ 0.60 |
Apejuwe Tuntun ti iṣeto ni ibamu pẹlu Iwa E 527 ati SAE J1086, Iṣe fun Nọmba Awọn irin ati Alloys (UNS). B Grade P 5c yoo ni akoonu titanium ti ko kere ju awọn akoko 4 akoonu erogba ko si ju 0.70%; tabi akoonu columbium ti 8 si 10 ni igba akoonu erogba.
Mechanical Ini
Darí-ini | P1,P2 | P12 | P23 | P91 | P92,P11 | P122 |
Agbara fifẹ | 380 | 415 | 510 | 585 | 620 | 620 |
Agbara ikore | 205 | 220 | 400 | 415 | 440 | 400 |
Ooru Itọju
Ipele | Ooru Itọju Iru | Didara Iwọn Iwọn F [C] | Subcritical Annealing tabi tempering |
P5, P9, P11, ati P22 | Iwọn otutu F [C] | ||
A335 P5 (b,c) | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1250 [675] | |
Anneal Subcritical (P5c nikan) | ***** | 1325 – 1375 [715-745] | |
A335 P9 | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1250 [675] | |
A335 P11 | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1200 [650] | |
A335 P22 | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1250 [675] | |
A335 P91 | Normalize ati Ibinu | Ọdun 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Quench ati Ibinu | Ọdun 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Ifarada
Fun paipu ti a paṣẹ si inu iwọn ila opin, iwọn ila opin inu ko ni yatọ ju 6 1% lati inu iwọn ila opin ti a pato
Awọn iyatọ ti o gba laaye ni Ode Iwọn
NPS onise | in | mm | in | mm |
1⁄8to 11⁄2, pẹlu | 1⁄64 (0.015) | 0.4 | 1⁄64 (0.015) | 0.4 |
Ju 11⁄2 si 4, pẹlu. | 1⁄32 (0.031) | 0.79 | 1⁄32 (0.031) | 0.79 |
Ju 4 si 8, pẹlu | 1⁄16 (0.062) | 1.59 | 1⁄32 (0.031) | 0.79 |
Ju 8 si 12, pẹlu. | 3⁄32 (0.093) | 2.38 | 1⁄32 (0.031) | 0.79 |
Ju 12 lọ | 6 1% ti pato ita opin |
Ibeere idanwo
Idanwo Hydraustatic:
Paipu Irin yẹ ki o ṣe idanwo Hydraulically Ọkan Nipa Ọkan. Iwọn Idanwo ti o pọju jẹ 20 MPa. Labẹ Ipa Igbeyewo, Akoko Imuduro yẹ ki o Ko kere ju 10 S, Ati Pipe Irin ko yẹ ki o jo.
Lẹhin ti Olumulo Gba, Idanwo Hydraulic le Rọpo nipasẹ Idanwo Eddy lọwọlọwọ Tabi Idanwo Leakage Flux oofa.
Idanwo ti ko ni iparun:
Awọn paipu ti o nilo Ayẹwo diẹ sii yẹ ki o ṣe ayẹwo Ultrasonically Ọkan nipasẹ Ọkan. Lẹhin Idunadura Nbeere Gbigbanilaaye ti Ẹka Ati Ti Ni pato ninu Adehun naa, Idanwo miiran ti kii ṣe iparun le ṣe afikun.
Idanwo fifẹ:
Awọn Tubes Pẹlu Iwọn Iwọn Ita Ti o tobi ju 22 mm yoo wa labẹ Idanwo Filati kan. Ko si Delamination ti o han, awọn aaye funfun, tabi awọn aimọ yẹ ki o waye lakoko idanwo gbogbo.
Idanwo Lile:
Fun paipu ti Awọn giredi P91, P92, P122, ati P911, Brinell, Vickers, tabi Rockwell awọn idanwo lile ni ao ṣe lori apẹrẹ lati ọpọlọpọ kọọkan
Idanwo tẹ:
Fun paipu ti iwọn ila opin rẹ kọja NPS 25 ati iwọn ila opin rẹ si ipin sisanra ogiri jẹ 7.0 tabi kere si ni yoo tẹriba idanwo tẹ dipo idanwo fifẹ. Paipu miiran ti iwọn ila opin rẹ dọgba tabi ju NPS 10 lọ ni a le fun ni idanwo tẹ ni aaye ti idanwo fifẹ koko ọrọ si ifọwọsi ti olura.
ASTM A335 P5 jẹ ohun elo alloy, irin ti ko ni ailopin ferritic paipu otutu giga ti boṣewa Amẹrika. Alloy tube jẹ iru tube irin ti ko ni idọti, iṣẹ rẹ ga julọ ju ọpọn irin ti o wọpọ lọ, nitori iru tube irin yii ni diẹ sii C, iṣẹ naa kere ju tube irin-irin ti o wọpọ, nitorina tube alloy ti wa ni lilo pupọ. ni Epo ilẹ, Aerospace, kemikali, ina mọnamọna, igbomikana, ologun ati awọn ile-iṣẹ miiran.
Alloy Steel pipe ni awọn iwọn idaran ti awọn eroja miiran yatọ si erogba gẹgẹbi nickel, chromium, silikoni, manganese, tungsten, molybdenum, vanadium ati awọn iye to lopin ti awọn eroja miiran ti a gba nigbagbogbo gẹgẹbi manganese, sulfur, silicon, and phosphorous
Ibamu irin alloy abele: 1Cr5Mo GB 9948-2006 “Iwọn Pipe Irin Pipe fun Gbigbọn Epo”
- Isanwo: 30% Idogo, 70% L/C Tabi B/L Daakọ Tabi 100% L/C Ni Oju
- Min.Order Opoiye: 1 PC
- Agbara Ipese: Ọdọọdun 20000 Tọnu Oja Ti Pipe Irin
- Akoko asiwaju: Awọn ọjọ 7-14 Ti o ba wa ni Iṣura, Awọn ọjọ 30-45 Lati Ṣejade
- Iṣakojọpọ: Black Vanishing, Bevel Ati fila Fun Gbogbo Pipe Kan; OD Ni isalẹ 219mm Nilo Lati Ṣe akopọ Ni Lapapo, Ati Lapapo kọọkan Ko kọja Awọn Toonu 2.
Akopọ
Standard: ASTM A335 | Alloy Tabi Ko: Alloy |
Ẹgbẹ ipele: P5 | Ohun elo: igbomikana Pipe |
Sisanra: 1 - 100 mm | Itọju Ilẹ: Bi Ibeere Onibara |
Iwọn Ode (Yika): 10 - 1000 mm | Ilana: Gbona Yiyi / Tutu Fa |
Ipari: Ipari Ti o wa titi Tabi Ipari Laileto | Itọju Ooru: Annealing/Normalizing/Tempering |
Apẹrẹ Abala: Yika | Paipu Pataki: Nipọn Wall Pipe |
Ibi ti Oti: China | Lilo: Paipu Nya Titẹ Ga, igbomikana Ati Oluyipada Ooru |
Iwe eri: ISO9001:2008 | Idanwo: ET/UT |
Ohun elo
O ti wa ni akọkọ Lo Lati Ṣe Didara Aloy Alloy Steel Boiler Pipe, Ooru Paṣipaapa Pipa, Giga Titẹ Nya Pipe Fun Epo ati Kemikali ile ise
Ohun elo Kemikali
Awọn akojọpọ | Data |
UNS Designa-iṣẹ | K41545 |
Erogba (o pọju) | 0.15 |
Manganese | 0.30-0.60 |
Fọsifọọsi (o pọju) | 0.025 |
Silikoni (ti o pọju) | 0.50 |
Chromium | 4.00-6.00 |
Molybdenum | 0.45-0.65 |
Awọn eroja miiran | … |
Mechanical Ini
Awọn ohun-ini | Data |
Agbara Fifẹ, Min, (MPa) | 415 Mpa |
Agbara ikore, Min, (MPa) | 205 Mpa |
Ilọsiwaju, Min, (%), L/T | 30/20 |
Ooru Itọju
Ipele | Ooru Itọju Iru | Didara Iwọn Iwọn F [C] | Subcritical Annealing Tabi tempering |
P5, P9, P11, Ati P22 | Iwọn otutu F [C] | ||
A335 P5 (B,C) | Full Tabi isothermal Anneal | ||
A335 P5b | Normalize Ati Ibinu | ***** | 1250 [675] |
A335 P5c | Subcritical Anneal | ***** | 1325 – 1375 [715-745] |
Ifarada
Fun Pipe Paapu Si Inu Inu, Iwọn Inu Ko Ni Yato Diẹ sii ju ± 1% Lati Iwọn Inu Inu Ti pato
Awọn iyatọ ti o gba laaye Ni Ode Iwọn
NPS onise | Ifarada to dara | odi ifarada | ||
In | Mm | In | Mm | |
1⁄8to 11⁄2, Incl | 1⁄64 (0.015) | 0.4 | 1⁄64 (0.015) | 0.4 |
Ju 11⁄2 Si 4, Incl. | 1⁄32 (0.031) | 0.79 | 1⁄32 (0.031) | 0.79 |
Ju 4 Si 8, Incl | 1⁄16 (0.062) | 1.59 | 1⁄32 (0.031) | 0.79 |
Ju 8 Si 12, Incl. | 3⁄32 (0.093) | 2.38 | 1⁄32 (0.031) | 0.79 |
Ju 12 lọ | ± 1% Ti pato Ita Iwọn opin |
Ibeere idanwo
Idanwo Hydraustatic:
Paipu Irin yẹ ki o ṣe idanwo Hydraulically Ọkan Nipa Ọkan. Iwọn Idanwo ti o pọju jẹ 20 MPa. Labẹ Ipa Igbeyewo, Akoko Imuduro yẹ ki o Ko kere ju 10 S, Ati Pipe Irin ko yẹ ki o jo.
Lẹhin ti Olumulo Gba, Idanwo Hydraulic le Rọpo nipasẹ Idanwo Eddy lọwọlọwọ Tabi Idanwo Leakage Flux oofa.
Idanwo ti ko ni iparun:
Awọn paipu ti o nilo Ayẹwo diẹ sii yẹ ki o ṣe ayẹwo Ultrasonically Ọkan nipasẹ Ọkan. Lẹhin Idunadura Nbeere Gbigbanilaaye ti Ẹka Ati Ti Ni pato ninu Adehun naa, Idanwo miiran ti kii ṣe iparun le ṣe afikun.
Idanwo fifẹ:
Awọn Tubes Pẹlu Iwọn Iwọn Ita Ti o tobi ju 22 mm yoo wa labẹ Idanwo Filati kan. Ko si Delamination ti o han, awọn aaye funfun, tabi awọn aimọ yẹ ki o waye lakoko idanwo gbogbo.
Idanwo Lile:
Fun Pipe ti Awọn gilaasi P91, P92, P122, Ati P911, Brinell, Vickers, Tabi Awọn Idanwo Lile Rockwell yoo ṣee ṣe Lori Apeere Lati Ọpọ kọọkan
Idanwo tẹ:
Fun Paipu Ti Iwọn Rẹ Tayọ NPS 25 Ati Iwọn Rẹ Si Iwọn Sisanra Odi Jẹ 7.0 Tabi Kere Ni Yoo Wa labẹ Idanwo Titẹ Dipo Ti Idanwo Filati. Paipu Omiiran Ti Iwọn Rẹ dọgba tabi O kọja NPS 10 Ṣe O le Fun Idanwo Titẹ Ni aaye Ti Idanwo Fifẹ Koko-ọrọ si Ifọwọsi ti Olura.
Ohun elo & iṣelọpọ
Paipu le jẹ boya ti pari gbona tabi iyaworan tutu pẹlu itọju ooru ipari ti a ṣe akiyesi ni isalẹ.
Ooru Itọju
- A/N+T
- N+T/Q+T
- N+T
Mechanical Igbeyewo Pato
- Idanwo Ẹdọfu Iyipada tabi Gigun ati Idanwo Fifẹ, Idanwo Lile, tabi Idanwo Titẹ
- Fun ooru ohun elo ti a tọju ni ileru iru ipele, awọn idanwo yoo ṣee ṣe lori 5% paipu lati ibi itọju kọọkan. Fun ọpọlọpọ kekere, o kere ju paipu kan ni a gbọdọ ṣe idanwo.
- Fun ooru ohun elo ti a tọju nipasẹ ilana lilọsiwaju, awọn idanwo yoo ṣee ṣe lori nọmba pipe ti paipu lati jẹ 5% ti Pupo, ṣugbọn ni ọran ko kere ju paipu 2.
Awọn akọsilẹ fun Idanwo Titẹ:
- Fun paipu ti iwọn ila opin rẹ kọja NPS 25 ati iwọn ila opin rẹ si ipin sisanra ogiri jẹ 7.0 tabi kere si ni yoo tẹriba idanwo tẹ dipo idanwo fifẹ.
- Paipu miiran ti iwọn ila opin rẹ dọgba tabi ju NPS 10 lọ ni a le fun ni idanwo tẹ ni aaye ti idanwo fifẹ koko ọrọ si ifọwọsi ti olura.
- Awọn apẹẹrẹ idanwo tẹ ni yoo tẹ ni iwọn otutu yara nipasẹ 180 laisi fifọ ni ita ti ipin ti tẹ.
ASTM A335 P5 awọn tubes irin alailẹgbẹ jẹ o dara fun omi, nya, hydrogen, epo ekan, bbl Ti a ba lo fun oru omi, iwọn otutu ti o pọ julọ jẹ 650℃; Nigbati a ba lo ni alabọde ṣiṣẹ gẹgẹbi epo ekan, o ni ipata ipata imi-ọjọ ti o dara, ati pe a lo nigbagbogbo ni awọn ipo ipata imi-ọjọ otutu ti 288 ~ 550.℃.
Ilana iṣelọpọ:
1. Yiyi gbigbona (irin tube ti a ko ni itọlẹ) : yika tube billet → alapapo → perforation → yiyi agbelebu mẹta-yiyi, yiyi lilọsiwaju tabi extrusion → yiyọ tube → iwọn (tabi dinku) → itutu → taara → idanwo titẹ omi (tabi wiwa abawọn abawọn). ) → isamisi → ibi ipamọ
2. Tutu iyaworan (yiyi) tube irin ti ko ni alaini: yika tube billet → alapapo → perforation → akọle → annealing → pickling → oiling (fifun bàbà) → iyaworan tutu-ọpọlọpọ (yiyi tutu) → tube òfo → itọju ooru → taara → omi idanwo titẹ (wiwa abawọn) → isamisi → ibi ipamọ
Awọn oju iṣẹlẹ elo:
Ni oju aye ati awọn ẹrọ igbale fun sisẹ epo robi efin giga-giga, ASTM A335 P5 awọn tubes irin ti ko ni ailagbara ni a lo ni akọkọ fun awọn opo gigun ti isalẹ ti oju aye ati awọn ile-iṣọ igbale, awọn tubes ileru ti oju aye ati awọn ileru igbale, awọn apakan iyara giga ti oju aye ati iyipada epo igbale awọn ila ati awọn epo-iwọn otutu miiran ati awọn opo gigun ti gaasi ti o ni imi-ọjọ.
Ni awọn ẹya FCC, ASTM A335 P5 awọn tubes irin alailẹgbẹ ni a lo ni akọkọ ni slurry otutu otutu, ayase ati awọn opo gigun ti isọdọtun, ati diẹ ninu awọn epo imi-ọjọ otutu giga miiran ati awọn opo gigun ti gaasi.
Ni ẹyọ coking idaduro, ASTM A335 P5 paipu irin ti ko ni alaini ti a lo ni akọkọ fun paipu ifunni iwọn otutu giga ni isalẹ ile-iṣọ coke ati epo otutu giga ati paipu gaasi ni oke ile-iṣọ coke, paipu ileru ni isalẹ ileru coke, pipe ni isalẹ ti fracking ile-iṣọ ati diẹ ninu awọn miiran ga otutu epo ati gaasi paipu ti o ni imi-ọjọ.
Alloy Steel pipe ni awọn iwọn idaran ti awọn eroja miiran yatọ si erogba gẹgẹbi nickel, chromium, silikoni, manganese, tungsten, molybdenum, vanadium ati awọn iye to lopin ti awọn eroja miiran ti a gba nigbagbogbo gẹgẹbi manganese, sulfur, silicon, and phosphorous.
ASTM A335 P9 jẹ ẹya alloy, irin laisi iran ferritic ga otutu paipu ti American bošewa. Alloy tube jẹ iru tube irin ti ko ni idọti, iṣẹ rẹ ga julọ ju ọpọn irin ti o wọpọ lọ, nitori iru tube irin yii ni diẹ sii C, iṣẹ naa kere ju tube irin-irin ti o wọpọ, nitorina tube alloy ti wa ni lilo pupọ. ni Epo ilẹ, Aerospace, kemikali, ina mọnamọna, igbomikana, ologun ati awọn ile-iṣẹ miiran.
A335 P9 jẹ iwọn otutu giga chromium-molybdenum alloy ooru sooro irin ti a ṣe ni ibamu si boṣewa Amẹrika. Nitori ti awọn oniwe-o tayọ ifoyina resistance, ga otutu agbara ati sulfide ipata resistance, o ti wa ni o gbajumo ni lilo ni ga otutu ati ki o ga titẹ inflammable ati ibẹjadi pipelines ti Epo refining eweko, paapa taara ooru pipe ti alapapo ileru, alabọde otutu le de ọdọ 550 ~ 600 ℃ .
Ibamu irin alloy abele: 1Cr5Mo GB 9948-2006 “Iwọn Pipe Irin Pipe fun Gbigbọn Epo”
Akopọ
Standard: ASTM A335 | Alloy Tabi Ko: Alloy |
Ẹgbẹ ite: P9 | Ohun elo: igbomikana Pipe |
Sisanra: 1 - 100 mm | Itọju Ilẹ: Bi Ibeere Onibara |
Iwọn Ode (Yika): 10 - 1000 mm | Ilana: Gbona Yiyi / Tutu Fa |
Ipari: Ipari Ti o wa titi Tabi Ipari Laileto | Itọju Ooru: Annealing/Normalizing/Tempering |
Apẹrẹ Abala: Yika | pecial Pipe: Nipọn Wall Pipe |
Ibi ti Oti: China | Lilo: Paipu Nya Titẹ Ga, igbomikana Ati Oluyipada Ooru |
Iwe eri: ISO9001:2008 | Idanwo: ET/UT |
Ohun elo Kemikali
Ipilẹ kemikali ti awọn paipu irin ti ko ni idọti fun fifọ epo epo
ASTM A335M | C | SI | Mn | P | S | Cr | Mo |
P9 | ≦0.15 | 0.25-1.00 | 0.30-0.60 | ≦0.025 | ≦0.025 | 8.00-10.00 | 0.90-1.10 |
Mechanical Ini
Awọn ohun-ini | Data |
Agbara fifẹ, min, (MPa) | 415 Mpa |
Agbara ikore, min, (MPa) | 205 Mpa |
Ilọsiwaju, min, (%), L/T | 14 |
HB | 180 |
Ooru Itọju
Ipele | Ooru Itọju Iru | Didara Iwọn Iwọn F [C] | Subcritical Annealing Tabi tempering |
P5, P9, P11, Ati P22 | |||
A335 P9 | Full Tabi isothermal Anneal | ||
Normalize Ati Ibinu | ***** | 1250 [675] |
A335 P9 le ṣe itọju ooru nipasẹ annealing tabi deede + awọn ilana iwọn otutu. Annealing ilana itutu iyara ni o lọra, ni ipa awọn gbóògì ilu, gbóògì ilana jẹ soro lati sakoso, ati ki o ga iye owo; Nitorina, awọn gangan gbóògì ṣọwọn lo annealing ooru itọju ilana, igba lo normalizing + tempering ooru itọju dipo ti annealing ilana, lati se aseyori ise gbóògì.
A335 P9 irin nitori pe ko ni V, Nb ati awọn eroja microalloying miiran, nitorinaa iwọn otutu deede ju A335 P91 irin lọ silẹ, 950 ~ 1050 ℃, dimu fun 1h, ilana naa nigbati o ba ṣe deede julọ ti carbide tituka ṣugbọn ko si idagbasoke ọkà ti o han gbangba. , ṣugbọn ga ju normalizing otutu jẹ prone lati austenite ọkà isokuso: tempering otutu ni 740-790 ℃, ni ibere. lati gba kekere líle, tempering otutu akoko yẹ ki o wa ni deede tesiwaju.
Ifarada
Fun Pipe Paapu Si Inu Inu, Iwọn Inu Ko Ni Yato Diẹ sii ju ± 1% Lati Iwọn Inu Inu Ti pato
Awọn iyatọ ti o gba laaye Ni Ode Iwọn
NPS onise | Ifarada to dara | odi ifarada | ||
In | Mm | In | Mm | |
1⁄8to 11⁄2, Incl | 1⁄64 (0.015) | 0.4 | 1⁄64 (0.015) | 0.4 |
Ju 11⁄2 Si 4, Incl. | 1⁄32 (0.031) | 0.79 | 1⁄32 (0.031) | 0.79 |
Ju 4 Si 8, Incl | 1⁄16 (0.062) | 1.59 | 1⁄32 (0.031) | 0.79 |
Ju 8 Si 12, Incl. | 3⁄32 (0.093) | 2.38 | 1⁄32 (0.031) | 0.79 |
Ju 12 lọ | ± 1% Ti pato |
Ilana iṣelọpọ:
A335 jẹ apẹrẹ ni ibamu si ipo ohun elo ti paipu irin Tianjin ati awọn abuda ti A335 P9 irin P9 ilana ṣiṣe idanwo ti paipu irin alailẹgbẹ:Electric arc ileru steelmaking → ladle refining → igbale degassing → kú simẹnti → tube òfo forging → tube òfo annealing → tube òfo alapapo → oblique lilu → PQF lemọlemọfún tube sẹsẹ ọlọ tube sizing → mẹta-eerun iwọn → itutu ibusun itutu → tube opin Gege si gige → titọ paipu irin → wiwa ṣiṣan ṣiṣan oofa → itọju ooru → taara → iwari abawọn ultrasonic → idanwo hydraulic → iwọn ati ayewo irisi → ibi ipamọ.
ilana iṣelọpọ:
Nọmba nkan | ilana iṣelọpọ | Igbese ati Iṣakoso Didara | |||
1 | Apejọ ayẹwo-tẹlẹ | Awọn iṣẹju ti ipade | |||
2 | ASEA-SKF | Ṣatunṣe akojọpọ kemikali | |||
* Itupalẹ akojọpọ kemikali | |||||
* yo otutu | |||||
3 | CCM | billet | |||
4 | Aise ohun elo ayewo | Ayewo òfo ati idaniloju didara | |||
* Ipo ifarahan: Ilẹ ti billet yẹ ki o jẹ laisi awọn abawọn gẹgẹbi ipalara, slag, pinholes, cracks, bbl | |||||
5 | Alapapo òfo | Alapapo billets ni a Rotari ileru | |||
* Ṣakoso iwọn otutu alapapo | |||||
6 | paipu perforation | Pierce pẹlu itọnisọna / awo itọnisọna Punch | |||
* Ṣakoso iwọn otutu nigba lilu | |||||
* Ṣakoso iwọn lẹhin perforation | |||||
7 | Gbona Rolled | Gbona sẹsẹ ni lemọlemọfún tube Mills | |||
* Ṣeto sisanra ogiri paipu | |||||
8 | Iwọn | Iṣakoso ita opin ati odi sisanra mefa | |||
* Pipe lode opin machining | |||||
* Pari odi sisanra machining | |||||
9 | kemikali tiwqn | Iṣiro ti akopọ kemikali | |||
* Awọn ibeere gbigba fun akojọpọ kemikali. Awọn abajade ti igbekale kemikali yẹ ki o gba silẹ ninu iwe ohun elo. | |||||
10 | Normalizing + Tempering | Ooru itọju (normalizing) ti wa ni ṣe lẹhin gbona yiyi. Itọju igbona yẹ ki o san ifojusi si iṣakoso iwọn otutu ati iye akoko. | |||
Lẹhin itọju ooru, awọn ohun-ini ẹrọ ti ọja yẹ ki o pade boṣewa ASTM A335 | |||||
11 | air itutu | Igbesẹ-nipasẹ-Igbese ibusun itutu agbaiye | |||
12 | sawing | Sawing to pàtó kan ipari | |||
* Irin paipu Iṣakoso ipari | |||||
13 | Titọ (ti o ba jẹ dandan) | Awọn iṣakoso flatness. | |||
Lẹhin titọ, taara yẹ ki o wa ni ibamu pẹlu ASTM A335 | |||||
14 | Ayewo ati Gbigba | Irisi ati Ayẹwo Onisẹpo | |||
* Awọn ifarada onisẹpo irin yẹ ki o wa ni ibamu pẹlu ASTM A999 | |||||
Akiyesi: Ifarada iwọn ila opin ita: ± 0.75% D | |||||
* Ayẹwo ifarahan yẹ ki o ṣe ni ọkan nipasẹ ọkan ni ibamu si boṣewa ASTM A999 lati yago fun oju ti ko dara | |||||
15 | erin abawọn | * Gbogbo ara ti paipu irin yẹ ki o ṣe ayẹwo ultrasonically fun awọn abawọn gigun ni ibamu si ISO9303/E213 | |||
Idanwo Ultrasonic: | |||||
16 | Mechanical ini igbeyewo | (1) Idanwo fifẹ (gigun) ati idanwo fifẹ | |||
Ayewo igbohunsafẹfẹ | 5% / ipele, o kere ju 2 tubes | ||||
Min | O pọju | ||||
P9 | Agbara Ikore (Mpa) | 205 | |||
agbara fifẹ (MPa) | 415 | ||||
Ilọsiwaju | Gẹgẹbi boṣewa ASTM A335 | ||||
Ṣiṣayẹwo fifẹ | Gẹgẹbi boṣewa ASTM A999 | ||||
(2) Idanwo lile | |||||
Igbohunsafẹfẹ idanwo: kanna bi idanwo fifẹ | 1 nkan / ipele | ||||
HV&HRC | ≤250HV10&≤25 HRC HV10≤250&HRC≤25 | ||||
Akiyesi: Iwọn idanwo lile Vickers: ISO6507 tabi ASTM E92; | |||||
Ipele idanwo lile Rockwell: ISO6508 tabi ASTM E18 | |||||
17 | NDT | Pipe irin kọọkan yoo ni idanwo ni ibamu pẹlu awọn ibeere ti awọn ọna idanwo E213, E309 tabi E570. | |||
18 | igbeyewo omi titẹ | Idanwo Hydrostatic ni ibamu si ASTM A999, titẹ idanwo | |||
19 | bevel | Beveling ti o ni ibamu ti awọn opin mejeeji ti paipu irin ni ibamu si ASTM B16.25fig.3(a) | |||
20 | Wiwọn ti iwuwo ati ipari | * Ifarada iwuwo ẹyọkan: -6% ~ +4%. | |||
21 | boṣewa paipu | Ide ti ita ti paipu irin ni a gbọdọ samisi fun sokiri gẹgẹbi ASTM A335 boṣewa ati awọn ibeere alabara. Awọn akoonu isamisi jẹ bi atẹle: | |||
“Iwọn Gigun TPCO ASTM A335 Awọn Iwọn Osu Ọdun P9 S LT *** C *** MPa/NDE Nọmba Ooru Pupo Nọmba tube Number | |||||
22 | ya | Awọn lode dada ti awọn tube ti wa ni ya ni ibamu si awọn factory bošewa | |||
23 | paipu opin fila | ** Awọn bọtini ṣiṣu yẹ ki o wa ni opin mejeeji ti tube kọọkan | |||
24 | ohun elo akojọ | * Iwe ohun elo yẹ ki o pese ni ibamu si EN10204 3.1. "PO onibara yẹ ki o ṣe afihan ninu iwe ohun elo naa. |