Window na-arụ ọrụ yana ọrụ ndị a na-ahụkarị
A na-eji ASTM A213 T5 ebe tube{2}} metal okpomọkụ na oxidation akara na-achịkwa nkenke imewe. N'ime igwe ọkụ, HRSGs na ndị na-ekpo ọkụ ọkụ, T5 na-ejide band n'elu 1.25-2.25Cr alloys mgbe a ga-emeziwanye nkwụsi ike na ike na-enweghị isi na ezinụlọ 9Cr. Oge ọrụ dị ogologo, gradients okpomọkụ dị adị, na iguzosi ike n'ezi ihe nke eriri igwe dị mkpa karịa corrosion mmiri.
Metallurgy n'otu ibe
T5 bụ ígwè ferritic 5Cr-Mo. Chromium na-ewulite oxide na-eto ngwa ngwa{3} iji kpachita ọnụ ọgụgụ, ebe molybdenum na-eme ka carbides kwụsie ike ma na-egbu oge nrụrụ na-akpụ akpụ. Ụzọ mmepụta ihe na-achọ ịnapụta matriks ferritic na-adị otu nke na-adị ndụ na-ehulata ma na-arụ ọrụ na-enweghị ógbè dị nro-ike ma ọ bụ karịa- mpaghara dị nro.
Ihe onyonyo Chemistry
Ebumnuche ndị mejupụtara n'okpuru bụ maka nyocha mbụ; ịzụrụ na-esote ederede ọkọlọtọ na-achị achị.
Tebụl - Ngwakọta kemịkalụ (wt.%)
|
Ihe |
Oke T5 |
Ọrụ na-eje ozi |
|
C |
Ihe na-erughị ma ọ bụ hà nhata 0.15 |
Ntụle ike-ductility, nkwado na-akpụ akpụ |
|
Mn |
0.30–0.60 |
Deoxidation, siri ike - ngwọta ike |
|
Si |
Ihe na-erughị ma ọ bụ hà nhata 0.50 |
Deoxidation; ngafe nwere ike imerụ ike |
|
P |
Ihe na-erughị ma ọ bụ hà nhata 0.025 |
Weldability na njikwa ike |
|
S |
Ihe na-erughị ma ọ bụ hà nhata 0.025 |
Na-ekpo ọkụ-Mkwalite ike ịrụ ọrụ na obere S |
|
Cr |
4.00–6.00 |
Oxidation na ọkụ{0}}ntụnye ike |
|
Mo |
0.44–0.65 |
Nguzogide na-akpụ akpụ na nkwụsi ike carbide |
Ngosipụta ihe onwunwe na okpomọkụ ụlọ
Minima ndị a na-enyere aka n'oge mbụ; A na-ewepụ ihe ndị nwere ike ime okpomọkụ site na koodu dị n'oge imewe.
Tebụl - Njirimara igwe kacha nta
|
Ngwongwo |
T5 kacha nta |
|
Ike ọdụdọ |
≈ 415 MPa (60 ksi) |
|
Mpụta ike |
≈ 205 MPa (30 ksi) |
|
Ogologo oge |
≈ 20% |
Mmemme akụkụ maka Coils na ùkwù
ASTM A213 na-achịkwa tubing karịa nhazi ọkpọkọ. Akwụkwọ data na-akọwapụta OD, mgbidi na igbutu ogologo ka ọ dabara na ụlọ ahịa coil na tube -ka-ọrụ tube.
Tebụlụ - mpio ihe na-ahụkarị
|
Oke |
Oke nso |
Ihe ndetu |
|
Dayameta dị n'èzí |
~ 12.7–101.6 mm (½–4 nke anụ ọhịa) |
OD buru ibu site na igwe igwe |
|
Ọkpụrụkpụ mgbidi |
1.2-12.7 mm |
Mgbidi dị arọ site na ajụjụ |
|
Ogologo |
Ruo ~ 12 m |
Iberibe ogologo na-ebelata welds ubi |
|
Geometrics |
Ogologo kwụ ọtọ / ovality |
Na-akwado nkwado ngwugwu na njikwa ntapu |
Ịmepụta Windows na Okpomọkụ{0}}Ọzụzụ ọgwụgwọ
Akụkọ ihe mere eme nke okpomọkụ na-achịkwa ndụ ọrụ nke tubing T5, yabụ WPS/PQR kwesịrị igbachi na igwe okpomọkụ ruru eru maka ikpo ọkụ, oge ịgbanye, na ọnụego jụrụ oyi. A na-emepụta bends site na ntinye ma ọ bụ na-ekpo ọkụ na-achịkwa ya na otu okpomọkụ site na mgbidi; oke okpomọkụ n'etiti ma ọ bụ ogologo oge na-ejide ọka na-esighị ike ma belata ikike na-akpụ akpụ.
Mgbe agbachara, a na-enyocha akụrụngwa kama iche. Maapụ siri ike sitere na igwe nne na-agafe extrados, etiti{1}}wall, na intrados na-akwado na agbagọ ahụ ka dị n'ime mpio tozuru etozu. Nyocha akụkụ{3}}ovality, mkparị mgbidi, radius azụ, na radius centerline{4}} hụ na eriri igwe ma ọ bụ U{5}ehulata ga-anọdụ ala n'ime tube-ibé akwụkwọ na nkwado na-enweghị nrụgide.
Mgbanwe oyi na mmezi mpaghara na-anọgide na-echekwa. A na-enyocha eriri oyi gbakọtara, ma ozugbo ọ gafere ọrụ ahụ na-ebute tube ahụ{1}} na-ekpo ọkụ n'ime envelopu tozuru etozu iji nwetaghachi ductility na kwụsie ike carbides. A na-ezere ikpo ọkụ ọkụ na-achịkwaghị achịkwa n'ihi na ọ nwere ike ịmepụta ntụpọ n'elu{3}} na-ekpo ọkụ ma ọ bụ rims siri ike.
A na-eme atụmatụ ọgwụgwọ okpomọkụ dị ka usoro, ọ bụghị patch. A na-eweta ihe n'ụdị ọnọdụ {{1} na - nke na-ewe iwe; mgbe okpomoku na-akpụ akpụ gafere oke iwe -ma ọ bụ mgbe usoro chọrọ{4}} rụpụta re{5}}normalize-na{7}}iwe (ma ọ bụ okirikiri subcritical ekwenyero) iji weghachi otu ụdị ferritic matrix tupu hydrotest na NDE. A na-edobe chaatị ọnọdụ okpomọkụ edekọbara maka okirikiri nke ọ bụla na ngwungwu ntụgharị ka enwere ike ịchọta eriri igwe arụnyere na akụkọ ọkụ ya n'ezie.
Iguzosi ike n'ezi ihe na ịdị ọcha n'elu
Ihe fọduru na irighiri ihe agbakwunyere na-eme ka ndụ dị mkpụmkpụ wee belata okpomọkụ{0}} arụmọrụ mbufe. NJ dị ọcha, kpọrọ nkụ nke nwere ngwụcha mkpuchi na ùkwù echedoro na-amachi oke ntinye n'oge nchekwa na mbupu. Edere ụkpụrụ nnabata maka ọdịdị ID/OD na ịdị ọcha n'ime ITP mgbe njikwa mmejọ dị oke mkpa.
Nyocha na NDE Matrix
A na-enyocha tube ọ bụla site na ule hydrostatic ma ọ bụ ule eletrik na-adịghị emebi emebi dị ka ASTM A213 chọrọ. Igwe mkpuchi dị egwu na-agbakwunye nlele ogologo{{1} ogologo{2} ugbu a ma ọ bụ ultrasonic continuity checks. Mmega ahụ na-agbaze, ọkụ na flange na-egosi ductility maka nrụnye. Ezigbo ihe njirimara (PMI) site na ngwugwu na-emechi alloy - akara njirimara.
Tebụl - Atụmatụ nkwenye a na-ahụkarị
|
Isiokwu |
Ihe achọrọ |
|
Iguzosi ike n'ezi ihe nrụgide |
Hydrostatic ma ọ bụ eletriki NDE |
|
Na-aga n'ihu |
100% EC/UT maka ọrụ dị oke mkpa |
|
Ịrụ ọrụ |
Nnwale flattening/flare/flange |
|
njirimara & traceability |
PMI, okpomọkụ / otutu na MTC, ngwugwu ID |
Ngwungwu aka na ndetu onye na-eweta ngwaahịa
Ntụgharị dị ọcha gụnyere MTC ndị ejikọtara na ikpo ọkụ na ngwugwu, okpomọkụ{0}} chaatị ọgwụgwọ, ndekọ NDE na nsonaazụ PMI n'ụdị ekwekọrịtara. Maka oru ngo wuru gburugburu ASTM A213 T5,Ọkpụkpọ Octalna-enye tubing enweghị nkebi na usoro ọgwụgwọ na-ehulata/okpomọkụ{0} ma nwee ike hazie ịgba akaebe nọọrọ onwe ya na arịrịọ ka ihe akaebe dị mma dabara nke ọma n'ime sistemụ QA/QC nke onye nwe ya.
FAQ
Q1: Gịnị bụ ASTM A213 T5 (ASME SA213 T5) tubing eji?
A1:5Cr{2}}0.5Mo ferritic alloy tubing na-enweghị ntụpọ maka igwe ọkụ, igwe na-ekpo ọkụ, na ndị na-agbanwe okpomọkụ na ọrụ okpomọkụ dị elu ebe oxidation na arụrụ arụ ọrụ dị mkpa.
Q2: Kedu mgbe m ga-ahọrọ A213 T5 kama T11/T22/T9?
A2:Họrọ T5 mgbe ị chọrọ ike dị elu - okpomọkụ oxidation nguzogide karịa obere -Cr grades; gbagoro elu-Nhọrọ CR mgbe ọrụ ahụ chọrọ oke okpomọkụ/oke corrosion n'otu koodu imewe.
Q3: Gịnị ka m ga-arịọ iji nyochaa ASTM A213 T5 tubing àgwà tupu ịzụta?
A3:Rịọ maka 3.1 MTC nwere nọmba okpomoku, okpomọkụ{1}} ọnọdụ ọgwụgwọ, kemịkalụ/arụpụta ọrụ, NDE achọrọ (nnwale hydrotest ma ọ bụ eletrik dị ka akọwapụtara), nlele akụkụ, yana traceability/marking zuru oke.
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