Ga titẹ oju iran tube igbomikana epo opo gigun ti epo ati gaasi paipu
Paipu ti ko ni oju titẹ giga, tube igbomikana titẹ giga jẹ iru tube igbomikana, jẹ ti ẹya ti tube irin alailẹgbẹ.Ọna iṣelọpọ jẹ kanna bi paipu ailopin, ṣugbọn awọn ibeere to muna wa lori iru irin ti a lo lati ṣe paipu irin.tube igbomikana ti o ga julọ ni a lo nigbagbogbo ni iwọn otutu giga ati awọn ipo titẹ giga, tube igbomikana ti o ga julọ ni a lo lati ṣe iṣelọpọ titẹ giga ati ultra high pressure igbomikana superheater tube, tube reheater, pipe, paipu nya nla ati bẹbẹ lọ.
Kekere ati alabọde igbomikana tube GB3087-2008, ga titẹ igbomikana tube GB5310-2008 ti wa ni lo lati manufacture gbogbo iru awọn ti be kekere titẹ igbomikana superheated nya tube, farabale omi tube ati locomotive igbomikana pẹlu superheated nya tube, nla ẹfin tube, kekere ẹfin tube. ati arch biriki paipu ga didara erogba igbekale irin gbona ti yiyi ati ki o tutu kale (yiyi) seamless, irin tube.Paipu irin ti ko ni ailopin fun eto (GB/T8162-2008) ni a lo fun eto gbogbogbo ati ọna ẹrọ ti paipu irin alailẹgbẹ.
Awọn pato ati didara irisi: GB5310-2008 "irin tube ti ko ni irin fun igbomikana titẹ giga" iwọn ila opin ti yiyi ti o gbona 22 ~ 530mm, sisanra odi 20 ~ 70mm.Tutu kale (tutu ti yiyi) tube opin 10 ~ 108mm, odi sisanra 2.0 ~ 13.0mm.
Paipu irin ti ko ni apẹrẹ pataki jẹ ọrọ gbogbogbo fun paipu irin alailẹgbẹ pẹlu awọn apẹrẹ apakan agbelebu miiran ayafi paipu ipin.Gẹgẹbi apẹrẹ ti o yatọ ati iwọn ti apakan paipu irin, o le pin si sisanra odi dọgba sisanra pataki-ipin irin pipe (koodu D), sisanra ogiri ti ko dọgba si paipu irin ti ko ni apẹrẹ (koodu BD), iwọn ila opin pataki pataki- sókè seamless, irin pipe (koodu BJ).Awọn tubes irin ti ko ni apẹrẹ pataki ti a lo ni lilo pupọ ni ọpọlọpọ awọn ẹya igbekale, awọn irinṣẹ ati awọn ẹya ẹrọ.Ti a ṣe afiwe pẹlu tube yika, tube ti o ni apẹrẹ ni gbogbogbo ni akoko ti o tobi pupọ ti inertia ati modulus apakan, ni atunse nla ati resistance torsion, le dinku iwuwo ti eto, fi irin pamọ.
Pipe ti o ni agbara ti o ga julọ, Iṣọkan Kemikali
(1) GB3087-2008 "Paipu Irin Alailẹgbẹ fun Ipilẹ kekere ati alabọde” awọn ipese.Ọna idanwo akojọpọ kemikali ni ibamu si gb222-84 ati GB223 “Awọn ọna fun itupalẹ kemikali ti Irin ati Alloy” apakan ti o yẹ.
(2) GB5310-2008 "Tupu Irin Ailokun fun igbomikana titẹ giga" awọn ipese.Ọna idanwo akojọpọ kemikali ni ibamu si GB222-84 ati “Ọna fun Itupalẹ Kemikali ti Iron ati Irin ati Alloy”, GB223 “Ọna fun itupalẹ kemikali ti Irin ati Irin ati Alloy”.
(3) Ṣiṣayẹwo akojọpọ kemika ti paipu irin igbomikana ti a gbe wọle yoo ṣee ṣe ni ibamu si awọn iṣedede ti o yẹ ti o wa ninu adehun.
Tiwqn Kemikali Giga Ipa Aikun Pipe, Irin Ite
(1) Didara erogba irin igbekale irin 20G, 20MnG, 25MnG.
(2) Alloy be, irin 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, ati be be lo.
(3) Irin ipata ooru sooro ti o wọpọ lo 1Cr18Ni9, 1Cr18Ni11Nb igbomikana tube ni afikun lati rii daju tiwqn kemikali ati awọn ohun-ini ẹrọ, lati ṣe idanwo titẹ omi, lati ṣe flaring, idanwo funmorawon.Awọn tubes irin ti wa ni jiṣẹ ni ipo itọju ooru.
Ni afikun, awọn microstructure, ọkà iwọn ati ki o decarburization Layer ti pari irin tubes wa ni tun beere.
Ga titẹ Seamless Pipe, Ti ara Properties Of
(1) GB3087-82 "Tupu irin ti ko ni ailopin fun awọn ipese titẹ kekere ati alabọde".Idanwo fifẹ ni ibamu si GB/T228-87, idanwo hydraulic ni ibamu si GB/T241-90, idanwo fifẹ ni ibamu si GB/T246-97, idanwo flaring ni ibamu si GB/T242-97, idanwo atunse tutu ni ibamu si GB244-97.
(2) GB5310-95 "Tupu irin ti ko ni ailopin fun igbomikana titẹ giga" awọn ipese.Idanwo ẹdọfu, idanwo titẹ omi ati idanwo fifẹ jẹ kanna bii gb3087-82;Idanwo ikolu ni ibamu si GB229-94, idanwo flaring ni ibamu si GB/T242-97, idanwo iwọn ọkà ni ibamu si YB/T5148-93;Ni ibamu si GB13298-91 fun microstructure ayewo, GB224-87 fun decarburization Layer ayewo ati GB/T5777-96 fun ultrasonic ayewo.
(3) Ayẹwo awọn ohun-ini ti ara ati awọn itọkasi ti awọn ọpọn igbomikana ti o wọle yoo ṣee ṣe ni ibamu si awọn iṣedede ti o yẹ ti o wa ninu adehun naa.
Pipe ti o ni agbara ti o ga julọ, Awọn ọna iṣelọpọ
Paipu ti ko ni titẹ ti o ga, jẹ iru tube ti ko ni ailopin.Ọna iṣelọpọ jẹ kanna bi paipu ailopin, ṣugbọn awọn ibeere to muna wa lori iru irin ti a lo lati ṣe paipu irin.Gẹgẹbi lilo iwọn otutu ti pin si awọn oriṣi meji ti tube igbomikana gbogbogbo ati tube igbomikana giga-titẹ.
① Ga titẹ oju iran pipe, Nigbati awọn ọna otutu ni isalẹ 450 ℃, awọn abele paipu wa ni o kun ṣe ti no.10 ati No.20 erogba iwe adehun, irin gbona ti yiyi pipe tabi tutu kale paipu.
② Paipu ti ko ni titẹ giga, Nigbati a ba lo, paipu nigbagbogbo wa labẹ iwọn otutu giga ati titẹ giga.Labẹ iṣẹ ti gaasi flue otutu giga ati oru omi, ifoyina ati ipata yoo waye.Paipu irin ni a nilo lati ni agbara ti o tọ to gaju, resistance ipata oxidation giga ati iduroṣinṣin microstructure to dara.
| Standard | Ipele irin | Akopọ kemikali (%) | |||||||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | AL | W | Nb | N | ||
| ASME SA106 | SA106B | 0.17 ~0.25 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | |||||||||
| SA106C | 0.23 ~0.27 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | ||||||||||
| ASME SA333 | SA333I | 0.09 ~0.12 | / | 0.7 ~1.0 | ≤0.02 | ≤0.01 | |||||||||
| SA333II | 0.09 ~0.12 | ≥0.1 | 0.9 ~ 1.1 | ≤0.02 | ≤0.01 | ||||||||||
| ASME A335 | SA335P11 | 0.05 ~0.15 | 0.5 ~1.0 | 0.3 ~0.6 | ≤0.03 | ≤0.03 | 1.0 ~1.5 | 0.5 ~1.0 | |||||||
| SA335P12 | 0.05 ~0.15 | ≤0.5 | 0.3 ~ 0.6 | ≤0.03 | ≤0.03 | 0.8 ~1.25 | 0.44 ~0.65 | ||||||||
| SA335P22 | 0.05 ~0.15 | ≤0.5 | 0.3 ~ 0.6 | ≤0.03 | ≤0.03 | 1.9 ~2.6 | 0.87 ~1.13 | ||||||||
| SA335P5 | ≤0.15 | ≤0.5 | 0.3 ~ 0.6 | ≤0.03 | ≤0.03 | 4.0 ~6.0 | 0.45 ~0.65 | ||||||||
| SA335P91 | 0.08 ~0.12 | 0.2 ~0.5 | 0.3 ~ 0.6 | ≤0.02 | ≤0.01 | 8.0 ~9.5 | 0.85 1.05 | ≤0.4 | 0.18 ~0.25 | ≤0.015 | 0.06 ~0.1 | 0.03 ~0.07 | |||
| SA335P92 | 0.07 ~0.13 | ≤0.5 | 0.3 ~ 0.6 | ≤0.02 | ≤0.01 | 8.5 ~9.5 | 0.3 ~ 0.6 | B0.001 0.006 | ≤0.4 | 0.15 ~0.25 | ≤0.015 | 1.5 ~2.0 | 0.04 ~0.09 | 0.03 ~0.07 | |
| DIN Ọdun 17175 | ST45.8III | ≤0.21 | 0.1 ~0.35 | 0.4 ~1.2 | ≤0.04 | ≤0.04 | ≤0.3 | ||||||||
| 15Mo3 | 0.12 ~0.2 | 0.1 ~0.35 | 0.4 ~0.8 | ≤0.035 | ≤0.035 | 0.25 ~0.35 | |||||||||
| 13CrMo44 | 0.1 ~0.18 | 0.1 ~0.35 | 0.4 ~0.7 | ≤0.035 | ≤0.035 | 0.7 ~1.1 | 0.45 ~0.65 | ||||||||
| 10CrMo910 | 0.08 ~0.15 | ≤0.5 | 0.3 ~0.7 | ≤0.025 | ≤0.02 | 2.0 ~2.5 | 0.9 ~1.1 | ≤ 0.3 | ≤0.3 | ≤0.015 | 0.015 ~0.045 | ||||
| EN10216 -2 | WB36 | ≤0.17 | 0.25 ~0.5 | 0.8 ~1.2 | ≤0.025 | ≤0.02 | ≤0.3 | 0.25 ~0.5 | 0.5 ~0.8 | 1.0 ~1.3 | ≤0.015 | ||||
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