API 5L Seamless Pipe hmanga siam a ni

API 5L Seamless Steel Pipes-Pipe siamna technology hmasawn tak tak te

Octal Pipe hian API 5L Line Pipe solution kimchang tak a siam a, petroleum leh natural gas transportation system atana siam seamless leh welded steel pipe te a huam vek a ni. Kan production theihna hian API 5L Gr B atanga X80 thlenga grade hrang hrang a huam a, PSL1 leh PSL2 specification level-ah te pawh a awm. Heng pipe te hi onshore/offshore application mamawh tak leh sour service environment (H2S corrosive conditions with NACE compliance) atana engineer a ni.
API 5L Line Pipe hian oil leh gas industry te chu operational environment hrang hrang tana siam pipeline solution nghet tak tak hmangin a rawng a bawl a ni. Carbon steel siamna hian API SPEC 5L mamawh a zawm a, boruak lum lutuk, boruak bawlhhlawh, leh H2S awmna sour service application-a hnathawh rintlak tak a siamsak a ni.

Seamless Steel Line Pipe hmanga siam a ni
Hot-rolled seamless leh cold drawn (rolled) process hmanga siam a ni a, diameter inches 40 thleng a awm. Seamless construction hian weld seam vulnerabilities a ti bo a, high-pressure application atan structural integrity tha zawk a pe a ni.
Welded Steel Line Pipe hmanga siam a ni
Welding technology hmasawn tak tak hmanga siam a ni a, chung zingah chuan ERW (Electric Resistance Welding), LSAW (Longitudinally Submerged Arc Welding), leh SSAW (Spirally Submerged Arc Welding) method te pawh a tel a, standard pressure application atana solution man to-effective tak tak a pe a ni.
Material Grade hrang hrangte
Standard Class-ah chuan:API 5L Gr.B PSL1, PSL2, Sour Service chi hrang hrangMedium chakna:X42, X46, X52 gradesMedium-High Performance:X56 specifications
Chakna sang tak: 1.1.A rilru a hah lutuk chuan a rilru a buai em em a, a rilru a hah lutuk chuan a rilru a buai em em bawk a. API 5L X60, X65 PSL1/PSL2 LSAW line pipePremium High Performance:API 5L X70, X80 grades
PSL2 Suffix hming vuah dan:

• N: Normalized emaw normalize emaw rolled emaw a ni
• Q: Quenched leh tempered a ni
• M: Thermomechanical hmanga roll/siam a ni
• S: Sour service hmanna (NS, QS, MS combination) te hi a inang lo hle.
• R: As-rolled condition a ni

Seamless Line Pipe chungchang sawifiahna

• Standard zawm dan: API SPEC 5L (Tunlai Edition)
• Grade awm thei: B, X42, X52, X56, X60, X65, X70 telin S-suffix sour service variant te pawh a tel
• Pawn lam Diameter Range: 1/2" atanga 40" (12.7mm atanga 1016mm) thleng a ni.
• Wall Thickness: Schedule 10 atanga Schedule 160 thleng
• End Configurations: Beveled tawp, Plain tawp
• Standard Lengths: Metre 6 (20 FT), metre 12 (40 FT), emaw, a sei zawng duh ang anga siam theih a ni
• Surface Treatments: Natural finish, Varnished, Black painting, FBE, 3PE coating, Cladding leh Lining te a awm thei
• CRA duhthlan tur: Carbon steel hmanga cladding emaw lined alloy steel material hmanga siam a ni

Welded Line Pipe chungchang sawifiahna

• Welding hman dan: ERW, LSAW, SSAW technology hmanga siam a ni
• Diameter Capacity: 1/2" atanga 60" (12.7mm atanga 1524mm) thleng a ni.
• Wall Thickness Range: Schedule 10 atanga Schedule 160 thleng
• A tawp chi hrang hrang: A tawp beveled, Plain tawp
• Length Options: 6m, 12m, emaw customer-in a tarlan sei zawng
• A chunglam hman dan: Natural, Varnished, Black painting, 3PE, FBE coatings te a ni

Chemical Composition atana thil tul hrang hrang

Welded pipe chemical composition hian seamless variant nena khaikhin chuan control parameter khauh zawk a vawng reng a, siam chhuah chhung zawngin material property inmil tak a tichiang a ni. Carbon, manganese, phosphorus, leh sulfur awm zat hi API 5L specification zawm turin chiang taka control a ni.

Mechanical lama hnathawh dan tur

Yield strength leh tensile strength specification te chu grade inang chhunga seamless leh welded variant te inkarah a inmil reng a ni. API 5L thil phut zawm a nih theih nan mechanical property te hi testing protocol kimchang tak hmanga finfiah a ni.

Pawn lam Diameter Tolerances te chu:
ani. Diameters < 60.3mm (23⁄5"): Pipe taksa tolerance ±0.5mm, Pipe tawp ±0.5mm; Roundness tolerance 0.9mm (taksa), 0.6mm (ends)b. Diameters 60.3mm atanga 610mm: Taksa tolerance ±0.0075D, End tolerance ±0.005D (maximum ±1.6mm);Roundness 0.015D aia tlem emaw a tlukpui emaw (taksa), 0.01D aia tlem emaw a tlukpui emaw (a tawp)
Wall Thickness Tolerances te chu:

• < 4mm: +0.6mm, -0.5mm tolerance
• 4mm atanga 10mm thleng: +0.150t, -0.125t tolerance
• 10mm atanga 25mm thleng: ±0.125t tolerance a ni
• 25mm aia lian emaw, a tlukpui emaw: +3.7mm emaw +0.1t (a lian zawk), -3.0mm emaw -0.1t (a lian zawk)

Straightness atana thil tulte: 1.1.

• Full length deviation sang ber: a sei zawng zawng atanga 0.15%
• Pipe tawp deviation: 0.3mm/meter aia tlem emaw, a tlukpui emaw
• Standard sei zawng tolerance: ±200mm (a tlangpui), ±25.4mm (a hmanna bik)

Seamless Pipe siam dan tur
Hot-Rolled Seamless tih dan tur chu:

Cold Drawn/Rolled hmanga tih dan tur:Mother Pipe siam dan → Enfiah → Annealing → End Treatment → Pickling → Grinding → Phosphorization → Cold Drawing/Rolling → Tifai & Degreasing → Heat Treatment → Straightening → Hydrostatic Testing → Marking & Painting → Storage

Welded Pipe siam dan tur
ERW Manufacturing ( 24" diameter aia tlem emaw, a tlukpui emaw):

LSAW/JCOE siamna (20"-40" diameter):

SSAW siamna (60" diameter thleng):
Uncoiling → Straightening → Coil Joiner → Straightening → Edge Milling →Deliver → Pre-bending → Forming → Tack welding →Plasma cutting → Tab Welding → Internal & Externa Submerged Arc Welding →Tab lakchhuah→ Weld grinding → Automatic UT→ X-Ray Testing→ Pipe End Expansion→Hydrostatic Test →End Facing/Bevelling → Base Metal & Weld Ultrasonic Testing→X-ray & Film enfiah → A tawp berah enfiahna→ A rih zawng leh a zau zawng→ Coating→Marking

Lei chunglam Quality: 1.1.ERW pipe hian SAW variant nena khaikhin chuan surface finish tha zawk a lantir a, hei hi welding process a awlsam zawk a, weld reinforcement a tlem avangin a ni.
Defect ziarang: 1.1.ERW defects hi a tlangpuiin linear a ni a, ultrasonic inspection hmanga awlsam taka hriat theih a ni a, SAW pipe-ah chuan flux deposit atanga volumetric defects a lang thei thung.
Residual Stress a awm chuan:ERW siamna hian controlled deformation leh sizing process hmangin residual stress a tihhniam phah a ni.
A chhe thei lo tur:ERW pipe hian repairability tihchakna a pe - welding defects te chu rework theih a ni a, SAW defect repairs erawh chuan cracking emaw corrosion risk a thlen thei thung.

Seamless Pipe hlawkna: 1.1.

• Standard size hrang hrang inventory zau tak a awm
• Dimension hrang hranga quantity tlemte flexibility
• Customized length theihna a awm bawk
• NACE MR 0175 zawm tur thil chi hrang hrang a awm
• Delivery schedule tih thuai a ni
• Hot expansion (40" thleng) hmanga diameter lian tak neih theihna
• Material traceability leh quality assurance kimchang

Welded Pipe atanga hlawkna: 1.1.

• Cost-effective diameter lian tak tak solutions
• Welding technology hrang hrang a awm bawk
• Size range tihzauh theihna a awm bawk
• Dimension dik tak a awm reng
• Production schedule tha tak siam a ni

Dilna hmasa ber: 1.1.

• Petroleum thawn chhuahna pipeline system siam a ni
• Natural gas sem chhuahna network hrang hrang
• Oil field khawlkhawm dan tur ruahmanna siam a ni
• Refinery kalpui dan tur piping siam a ni
• Offshore platform hmanga inzawmna siam a ni
• Pipeline hmanga phurh chhuahna tur infrastructure

API 5L Line Pipe specification hian oil leh gas industry hrang hranga pipeline transportation system-ah performance rintlak tak a siam a, PSL1 leh PSL2 product specification level pahnih tan international standard a tlin a ni.

Product zawng zawng hi testing kimchang tak an nei vek a, chung zingah chuan:

• Chemical composition thlirletna a ni
• Mechanical property hmanga thil neih finfiahna
• Non-destructive testing (NDT) hmanga tihchhiat theih loh.
• Hydrostatic pressure test a ni
• Ultrasonic hmanga enfiah a ni
• X-ray enfiahna (welded pipe) .
• Dimensional hmanga finfiahna

Technical Specifications chu order a nih hunah confirmation a awm tur a ni. Application mamawh bik leh technical documentation chipchiar tak tak hriat duh chuan kan engineering team te biak theih reng a ni.

Certification pek chhuah a ni

 

CE Certificate neih a ni

ISO 9001 Certificate a ni

API Q1 Certificate a ni

ABS Certificate a awm bawk

AP-5L Certificate pek a ni

API-5CT Certificate pek a ni

 

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