API 5L Qib A = L210 uas txhais tau tias qhov tsawg kawg nkaus tawm lub zog ntawm cov yeeb nkab yog 210mpa.
API 5L Qib B = L245, uas yog, qhov tsawg kawg nkaus lub zog ntawm cov yeeb nkab steel yog 245mpa.
API 5L PSL 1 muaj qib A thiab qib B;API 5L PSL 2 muaj qib B nkaus xwb.
Muaj peb hom PSL 2 yeeb nkab rau kev siv tshwj xeeb: PSL 2 Pipe Ordered for Sour Service (S), PSL 2 Pipe Ordered for Offshore Service (O), thiab PSL 2 Pipe with Resistance to Ductile Fracture Propagation(G).
Txais Kev Xa Khoom
Cov qib tube muaj cov ntawv lossis sib xyaw ntawm cov tsiaj ntawv thiab cov lej txhawm rau txheeb xyuas qib lub zog ntawm lub raj thiab muaj feem cuam tshuam rau cov tshuaj muaj pes tsawg leeg ntawm cov hlau.
Steel Qib A thiab Steel Qib B tsis suav nrog lub zog qis tshaj tawm los.
| PSL | Kev Xa Khoom | Qib Qib/ Qib steel | |
| PSL1 | Raws li-dov, normalizing dov, normalized, los yog normalizing tsim | L210 | A |
| Raws li dov, normalizing dov, thermomechanical dov, thermomechanical tsim, normalizing tsim, normalized, normalized thiab tempered; los yog, yog pom zoo, quenched thiab tempered rau SMLS yeeb nkab xwb | l245 ua | B | |
| PSL 2 | Raws li dov | L245R | BR |
| Normalizing dov, normalizing tsim, normalized, los yog normalized thiab tempered | L245 N | BN | |
| Quenched thiab tempered | l245 qw | BQ | |
| Thermomechanical dov los yog thermomechanical tsim | 12 45 M | BM | |
| Qhia tau tias cov yeeb nkab yog siv rau hauv acidic tej yam kev mob | L245RS | BRS | |
| L245 NWS | BNS | ||
| L245 qw | BQS | ||
| 1245 MAS | BMS | ||
| Qhia tau hais tias cov yeeb nkab yog npaj rau siv nyob rau hauv cov kev pab cuam offshore strips | L245 RO | BRO | |
| L245 Nr | BNO | ||
| l245 qw | BQO | ||
| 1245 MAS | BMO | ||
Hauv PSL2, R, N, Q, lossis M qhia txog kev xa khoom ntawm lub raj, thiab S, 0 qhia txog lub hom phiaj tshwj xeeb.
Tshuaj muaj pes tsawg leeg
API 5L PSL1 Tshuaj muaj pes tsawg leeg
PSL1: Cov tshuaj muaj pes tsawg leeg yuav tsum tau ua ntawm PSL1 feem ntau yog los xyuas kom meej tias cov yeeb nkab steel muaj kev ua haujlwm zoo thiab cov khoom siv kho kom zoo.Yog li cov tshuaj lom neeg muaj pes tsawg leeg ntawm PSL1 yog qhov dav, tsuas yog qhov siab tshaj plaws ntawm cov ntsiab lus ntawm cov pa roj carbon thiab cov ntsiab lus tseem ceeb ntawm manganese, phosphorus, sulfur, thiab lwm yam.
| Loj Fraction, Raws li kev ntsuas kub thiab cov khoom lag luama.e % | PSL 1 | ||||
| Seamless Yeeb Nkab | Welded yeeb nkab | ||||
| Qib A | Qib B | Qib A | Qib B | ||
| C | maxb | 0.22 | 0.28 ib | 0.22 | 0.26 |
| Mn | maxb | 0.90 ib | 1.20 | 0.90 ib | 1.20 |
| P | min | — | — | — | — |
| max | 0.03 ib | 0.03 ib | 0.03 ib | 0.03 ib | |
| S | max | 0.03 ib | 0.03 ib | 0.03 ib | 0.03 ib |
| V | max | — | c,d | — | c,d |
| Nb | max | — | c,d | — | c,d |
| Ti | max | — | d | — | d |
aCu≤0.50%; Ni≤0.50%; Cr≤0.50% thiab Mo≤0.15%.
bRau txhua qhov kev txo qis ntawm 0.01% hauv qab qhov kev qhia siab tshaj plaws rau cov pa roj carbon, qhov nce ntawm 0.05% saum toj no qhov siab tshaj plaws concentration rau Mn tso cai, mus txog qhov siab tshaj plaws ntawm 1.65% rau qib ≥L245 lossis B.
cTshwj tsis yog tias pom zoo, Nb + V≤0.06 %.
dNb+V+Ti≤0.15%e Yog tsis pom zoo.
eTsis txhob txhob txwm tshaj tawm ntawm B yog tso cai thiab cov seem B≤0.001%.
API 5L PSL2 Tshuaj muaj pes tsawg leeg
PSL2: Muab piv rau PSL1, PSL2 muaj cov kev cai tshuaj muaj zog ntau dua, suav nrog cov ntsiab lus qis dua thiab cov ntsiab lus siab dua ntawm cov ntsiab lus alloying (xws li chromium, npib tsib xee, molybdenum, thiab lwm yam), txhawm rau txhim kho steel lub zog, toughness, thiab corrosion kuj.psl2 kuj feem ntau yuav muaj ntau cov pa roj carbon sib npaug sib npaug los ua kom zoo dua weldability thiab txo cov teeb meem hardening nyob rau hauv cheeb tsam kub.
Ductile Fracture Expansion Resistant PSL 2 Tubing Tsis muaj qhov sib txawv ntawm cov tshuaj muaj pes tsawg leeg ntawm "Ductile Fracture Expansion Resistant PSL 2 Tubing" thiab "Ordinary PSL 2 Tubing", yog li nws yuav tsis tham ntawm no.
Tensile Properties
API 5L PSL1 Tensile Properties
API 5L PSL 1 muaj qib A thiab qib B.
API 5L PSL1, cov khoom siv kho tshuab tau teev tseg tsuas yog los xyuas kom meej tias cov yeeb nkab muaj lub zog txaus thiab yoog raws.Yog li ntawd, tsuas yog qhov tsawg kawg nkaus qhov tseem ceeb ntawm lub zog tensile thiab lub zog tawm los tau teev tseg.Piv txwv li, rau Qib B, qhov tsawg kawg nkaus tus nqi rau lub zog tensile yog 415 MPa thiab qhov tsawg kawg nkaus tus nqi rau cov khoom muaj zog yog 245 MPa.Qhov tsawg kawg nkaus qhov tseem ceeb no ua kom qhov kev ua tau zoo ntawm cov yeeb nkab nyob rau hauv ib qho kev xa khoom.
| Qhov yuav tsum tau muaj rau cov txiaj ntsig ntawm Tensile Test rau API PSL 1 Pipe | ||||
| Qib Qib | Lub cev ntawm Seamless thiab Welded Yeeb Nkab | Weld Seam ntawm EW, LW, SAW, and COW Pipe | ||
| Yield zoga Rrau.5 MPa (psi) | Tensile zoga Rm MPa (psi) | Elongation (50mm lossis 2 nti) Af % | Tensile zogb Rm MPa (psi) | |
| min | min | min | min | |
| Qib A (L210) | 210 (30,500) | 335 (48,600) | c | 335 (48,600) |
| Qib B (L245) | 245 (35,500) | 415 (60,200) hnub | c | 415 (60,200) hnub |
Yog tias koj xav pom qhov tob ntxiv ntawm API 5L,nyem qhov no!
API 5L PSL2 Tensile Properties
API 5L PSL 2 muaj qib B nkaus xwb.
Tab sis muaj plaub lub xeev sib txawv: R, N, Q, thiab M. Kuj tseem muaj ob qhov kev pabcuam tshwj xeeb rau PSL2 raj: S Sour (Service) thiab O (Offshore Service).
API 5L PSL2 qhia tsis tau tsuas yog qhov tsawg kawg nkaus qhov tseem ceeb rau tensile thiab yield zog tab sis kuj muaj nuj nqis siab tshaj.Qhov no yog feem ntau los tswj qhov sib xws thiab kev kwv yees ntawm cov yeeb nkab, tshwj xeeb tshaj yog thaum vuam thiab fabrication.Cov khoom pov tseg ntau dhau tuaj yeem zam tau, pab ua kom muaj kev ntseeg siab thiab kev nyab xeeb ntawm cov yeeb nkab hauv huab cua lossis hloov chaw ua haujlwm.
Lwm yam khoom siv
API 5L Qib A Lwm Cov Khoom Siv
ASTM A53 Qib A
ASTM A106 Qib A
ASTM A252 Qib 1
ASTM A333 Qib 6
ASTM A500 Qib B
ISO 3183 Qib L245
GB / T 9711 L245 lossis L290
GB/T 8163
API 5L Qib B Lwm Cov Khoom Siv
ASTM A53 Qib B
ASTM A106 Qib B
ASTM A500 Qib B
ASTM A252 Qib 3
ISO 3183 Qib L245 lossis L290
GB / T 9711 L245 lossis L290
Daim ntawv thov
API 5L Qib A Daim Ntawv Thov
API 5L Qib Ayog qib hauv paus hauv API 5L tus qauv, thiab nws feem ntau yog siv rau hauv cov ntawv thov tsis tshua muaj siab.Vim nws lub zog tsis tshua muaj zog, Qib A steel yeeb nkab feem ntau yog siv rau hauv cov chaw hauv qab no:
Cov kav dej hauv nroog thiab nyob deb nroog: cov kav dej siv los thauj cov dej haus.
Irrigation systems: Irrigation piping in the Agriculture sector for the transport of water.
Gas Distribution Networks: Siv nyob rau hauv qee qhov kev faib hluav taws xob qis los thauj cov pa roj mus rau cov neeg siv khoom hauv tsev thiab kev lag luam.
Industrial Discharge: Siv rau kev tso tawm cov dej khib nyiab los ntawm cov chaw lag luam hauv qhov chaw tsis tshua muaj siab.
Auxiliary Pipelines: Cov kav dej siv los ua cov kav dej los yog cov kav dej ntawm cov chaw muab cov roj thiab cov roj.
API 5L Qib B Daim Ntawv Thov
API 5L Qib Bsteel yeeb nkab muaj lub zog siab dua nyob rau hauv API 5L tus qauv, ua rau nws haum rau nruab nrab-siab daim ntaub ntawv.Qhov no ua rau Qib B steel yeeb nkab muaj ntau yam kev xaiv thiab siv dav, suav nrog:
Cov kav dej loj loj thiab cov roj xa hluav taws xob: siv los thauj cov roj av thiab cov nkev roj los ntawm qhov chaw tsim khoom mus rau qhov chaw refinery lossis chaw cia khoom.
Subsea Pipelines: Siv rau hauv kev tsim cov roj thiab roj av subsea thiab rau kev thauj khoom.
High-Pressure Steam Piping: Siv los thauj cov cua kub thiab cov cua kub siab hauv ntau daim ntawv thov kev lag luam.
Structural Yeeb Nkab: Vim nws cov khoom siv kho tshuab zoo dua, nws kuj tseem siv tau rau ntau yam kev siv cov qauv thiab kev tsim vaj tsev nyob qhov twg nws yuav tsum tau ua kom muaj zog ntau dua.
Txheej Txheem Piping: Siv los thauj ntau yam tshuaj thiab cov kua dej hauv cov chaw lag luam xws li kev ua roj av thiab kev kho tshuaj.
Peb cov khoom muaj feem xyuam
Botop Steel yog Tuam Tshoj Professional Welded Carbon Steel Pipes Chaw Tsim Tshuaj & Cov Chaw Muag Khoom Tshaj 16 Xyoo nrog 8000+ Tons ntawm Seamless Kab Yeeb Nkab Hauv Tshuag Txhua Lub Hlis.Yog tias koj muaj kev xav tau rau cov yeeb nkab steel thov hu rau peb, peb zoo siab los muab kev pabcuam zoo thiab zoo rau koj!
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Post lub sij hawm: Mar-26-2024