| Sab nraud txoj kab uas hla | 1/4 "-30", 13.7mm-762mm |
| Teem caij | SCH 5, SCH 10, SCH 20, SCH 60, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS, SCH |
| Specification | 1.Outer Diameter: 13.7mm --- 762mm 2. Phab ntsa Thickness: 2mm--80mm 3. Ntev: Max 12m 4.Peb kuj tuaj yeem tsim raws li cov neeg siv khoom xav tau |
| Khoom siv | 10 #, 20 #, 45 #, 16Mn, A106 GraA, BA53 Gr B, ASTM A179, A335 P11, A335 P22, A335 P5 12CrMo 15CrMo 20CrMo 42CrMo 12Cr1Mov 10CrMo |
| Cov qauv | 1.ASTM: ASTM A106 GR.A; ASTM A106 GRB; ASTM A53 GR.A; ASTM A53 GRB; ASTM A333, ASTM A335, ASTMA192, ASTM A210, ASTM A179; 2.JIS:G3452;G3457;G3454;G3456;G3461;G3454;G3455; 3.DIN: ST33: ST38ST35; ST42; ST45: ST52.4; ST52; 4.API: API 5L, API 5CT, API LINE PIPE thiab lwm yam 5. Peb kuj tuaj yeem tsim raws li cov neeg siv khoom xav tau |
| Txheej txheem txheej txheem | 1.Cold Drawn 2.Cold dov 3. Kub dov |
| Lub ntsej muag tiav lawm | 1. Cov xim dub, kua roj vanish 2. Corrossion txheej: 3LPE, FBE, 3PEE 3. Galvanized |
Cov yeeb nkab xaj raws li qhov tshwj xeeb no yuav tsum haum rau kev khoov, flanging, thiab kev ua haujlwm zoo sib xws, thiab rau vuam.Thaum cov hlau yuav tsum tau welded, nws yog presupposed hais tias ib tug welding txheej txheem haum rau qib ntawm steel thiab npaj siv los yog kev pab cuam yuav siv.
API 5L GR.B Heavy Phab Ntsa Thickness Seamless Steel Yeeb Nkab yog tsim los ntawm cov khoom txias los yog kub dov, raws li cov neeg siv khoom xav tau.
Qib thiab tshuaj muaj pes tsawg leeg (％)Rau API 5L PSL2
| Txuj |
Qib | Tshuaj muaj pes tsawg leeg(%) | |||
| C | Mn | P | S | ||
| API 5L | B | ≤ 0.24 | ≤ 1.20 | ≤ 0.025 | ≤ 0.015 |
Qib thiab tshuaj muaj pes tsawg leeg (％)Rau API 5LX42PSL2
| Txuj |
Qib | Tshuaj muaj pes tsawg leeg(%) | |||
| C | Mn | P | S | ||
| API 5L | X42 | ≤ 0.22 | ≤ 1.30 | ≤ 0.025 | ≤ 0.015 |
Mechanical Properties ntawm API 5LGR.B Heavy Phab Ntsa Thickness Seamless Steel Yeeb Nkab(PSL1):
| Yield zog(MPa) | Tensile zog(MPa) | Elongation A% | ||
| psi | MPa | psi | MPa | Elongation (Min) |
| 35,000 | 241 | 60,000 | 414 ib | 21-27 : kuv |
Mechanical Properties ntawm API 5LGR.B Heavy Phab Ntsa Thickness Seamless Steel Yeeb Nkab(PSL2):
| Yield zog(MPa) | Tensile zog(MPa) | Elongation A% | Kev cuam tshuam (J) | ||
| psi | MPa | psi | MPa | Elongation (Min) | Min |
| 241 | 448 ib | 414 ib | 758 ib | 21-27 : kuv | 41(27) |
Cov yeeb nkab liab qab, txheej txheej dub ( customized);
6 "thiab hauv qab qhov ntau thiab tsawg Hauv bundles nrog ob lub paj rwb slings, lwm qhov ntau thiab tsawg hauv xoob;
Ob qhov xaus nrog qhov kawg tiv thaiv;
Plain kawg, bevel kawg;
Kos npe.
Pipe End Beveling
Yas Caps
Dub Painting nrog Marking
Cov ntaub qhwv
Bundling thiab Sling
Pob tshwm sim
| Loj | Tolerance (nrog respect to teev sab nraudtxoj kab uas hla) |
| <2 3/8 | 0.016 "- 0.031" (+ 0.41 hli, - 0.79 hli) |
| > 2 3/8 thiab ≤4 1/2, nruam welded | ± 1.00% |
| > 2 3/8 thiab <20 | ± 0.75% |
| > 20. seamless | ± 1.00% |
| > 20 thiab <36, welded | 0.75% -0.25% |
| > 36, welded | 1/4 "- 1/8" (+ 6.35mm, -3.20mm) |
Nyob rau hauv cov ntaub ntawv ntawm cov yeeb nkab hydro-statically ntsuam xyuas rau pressures nyob rau hauv ntau tshaj ntawm standard test pressures, lwm yam kam rau ua tej zaum yuav pom zoo raws li cov chaw tsim tshuaj paus thiab cov neeg yuav khoom.
| Loj | Minus kam rau ua | Ntxiv Tolerance | End-to-End Tolerance | Out-of-Roundness | |
| Txoj kab uas hla, Axis kam rau ua (Percent ntawm OD) | Qhov sib txawv ntawm qhov tsawg kawg nkaus thiab qhov siab tshaj plaws (tsuas yog siv rau cov yeeb nkab nrog D / t≤ 75) | ||||
| ≤10 3/4 l&v 4 | 1/64 (0.40 hli) | 1/16 (1.59mm) hli | — | — | |
| > 10 3/4 thiab ≤20 | 1/32 (0.79 hli) | 3/32 (2.38 hli) | — | — | — |
| > 20 thiab ≤ 42 | 1/32 (0.79 hli) | 3/32 (2.38 hli) | b | ± 1% | <0.500 nyob rau hauv. (12.7mm) |
| > 42 | 1/32 (0.79 hli) | 3/32 (2.38 hli) | b | ± 1% | £ Q625 nyob rau hauv. (15.9 mm) |
Out-of-roundness kam rau ua siv rau qhov siab tshaj plaws thiab qhov tsawg kawg nkaus diameters raws li ntsuas nrog lub ntsuas ntsuas, caliper, lossis cov cuab yeej ntsuas qhov siab tshaj plaws thiab qhov tsawg kawg nkaus.
Qhov nruab nrab txoj kab uas hla (raws li ntsuas nrog ib txoj kab uas hla) ntawm ib kawg ntawm cov yeeb nkab yuav tsum tsis txhob sib txawv los ntawm ntau tshaj 3/32 nyob rau hauv. (2.38 mm) ntawm qhov kawg ntawm qhov kawg.
Tawm Diameter Inspection
Phab ntsa Thickness soj ntsuam
Kev soj ntsuam kawg
Kev tshuaj xyuas ncaj ncees
UT Kev Tshawb Fawb
Kev tshuaj xyuas qhov tshwm sim
| Loj | Type of Yeeb | Tblerancr1(Percent of Specified Phab Ntsa Thickness} | |
| Qib B lossis qis dua | Qib X42 lossis siab dua | ||
| <2 7/8 | Tag nrho | +20.- 12.5 Nws | + 15.0.-12.5 |
| > 2 7/8 thiab <20 | Tag nrho | + 15,0,-12.5 | + 15-I2.5 |
| > 20 | Welded | + 17.5.-12.5 | + 19.5.-8.0.0 Nws |
| > 20 | Seamless | + 15.0.-12.5 | + 17.5.-10.0 Nws |
| Ntau | Tokev ua siab ntev (feem pua) |
| Ib qhov ntev, tshwj xeeb cov yeeb nkab kawg lossis A25 yeeb nkabIb leeg ntev, lwm cov yeeb nkabCarloads.GradeA25,40,000lb (18 144kg) lossis ntau duaCarloads, uas tsis yog Qib A25,40.0001b (18 144 kg) lossis ntau duaCarloads, tag nrho cov qib qis dua 40000 lb (18 144 kg)Order khoom.Qib A25.40,000 lb (18 144 kg) lossis ntau duaCov khoom xaj, uas tsis yog Qib A25,40,000 lb (18 144 kg) lossis ntau dua Cov khoom xaj, txhua qib, tsawg dua 40.000 lb (18 144 kg) | + 10.-5.0 + 10,-35, ib -2.5 -1.75 Nws -15 -3.5 -1.75 Nws -3.5 |
Nco tseg:
1. Qhov hnyav hnyav siv rau qhov ntsuas qhov hnyav rau cov yeeb nkab threaded-thiab-coupled thiab rau cov tabulated los yog xam qhov hnyav rau cov yeeb nkab kawg.Qhov twg tsis zoo phab ntsa thickness kam rau ua me dua li cov teev nyob rau hauv cov lus saum toj no tau teev los ntawm tus neeg yuav khoom, qhov hnyav ntxiv rau qhov ntev yuav tsum tau nce mus rau 22.5 feem pua tsawg dua qhov wail thickness tsis kam rau siab.
2. Rau cov carloads uas muaj cov yeeb nkab los ntawm ntau tshaj ib qho kev txiav txim, lub carload tolerances yuav tsum tau siv nyob rau hauv ib qho kev txiav txim yam khoom.
3. Lub siab ntev rau cov khoom xaj siv rau tag nrho cov yeeb nkab xa mus rau cov khoom xaj.
