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API 5L X52 X70 Spiral Welded Steel Pipe Double Submerged Arc Welding
| Place of Origin | China |
|---|---|
| Brand Name | Best |
| Certification | API /CE / ISO /TUV |
| Model Number | 1/2'' -48'' |
| Minimum Order Quantity | 1 TONS |
| Price | 450 USD/TON |
| Packaging Details | 1) In bundle with strip; 2) First packing by plastic bag then strip; Details packing please see the picture in the detial description. |
| Delivery Time | Shipped in 25 days after payment |
| Payment Terms | L/C, T/T |
| Supply Ability | 100000 Ton/Year |
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xProduct Details
| Standard | API 5L | Grade | X 52, X60, X65, X70 |
|---|---|---|---|
| Technique | E155, E190, E195, E22 | Finish | SAWH |
| Keyword | SAWL (longitudinal Welding) | Inspection | WELDED PIPES |
| Surface | Barded /Painting | ||
| High Light | erw steel line pipe,erw mild steel pipe |
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Product Description
Production Information : API 5L X 52, X60, X65, X70 WELDED PIPES AND TUBES (ERW, EFW, DSAW)
Welded pipe sizes and dimensions
Welded pipes are used especially for pipeline constructions and for larger dimensions in the process plants; any specifications and qualities are part of our supply program.
For example, we supply carbon steel pipes for pipeline projects throughout the world according to:
- API 5L X 52, X60, X65, X70
Welded carbon and alloyed process plant pipes in acc. to below standards:
- ASTM A333, 671, 672, 691
Welded Stainless steel, special alloys pipes for chemical and petrochemical plants to:
- ASTM A 312, 358, 778, 928, ASTM B 619, B725
All materials are also available in acc. to equivalent DIN/ EN standards and grades.
Welded pipe manufacturing
At the start of the welded pipe manufacturing process so called slabs or billets are cast in a steel mill. Dependent on the external dimensions and wall thickness there are different methods of producing
welded pipes and tubes: Electric Resistance Welding (ERW), Fusion Welding (EFW) and Double Submerged Arc Welding (DSAW).
In the ERW and EFW manufacturing process welded pipes are formed by hot or cold rolling plate and welding the seam.
In order to keep the outside (O.D.) surface of a welded pipe smooth and uniform a cutting tool called scarfing blade is used to remove the weld flash. Scarfing from the inside (I.D.) welded flash is also possible.
With a heat treating at the end of the manufacturing process the weld zone of the steel pipe can be made less visible.
Due to the weld seam lower operating pressures are stated in accordance with ASME compared to seamless pipes.
In general welded tubes possess tighter dimensional tolerances than seamless pipes and are less costly if produced in same quantities.
| Description | erw black round steel pipe / Q235 construction scaffold pipe/tube, Black round steel Pipe | ||
| Standards | ASTM, AISI, JIS, SUS, EN, DIN, BS, GB | ||
| Material |
ASTM A213(T2, T5, T9, T11, T12, T22) A119 (T5,T9 ,T11,T22)A335(P2, P5, P9, P11, P12, P22) STBA20,STBA22,STBA23,STBA24,STBA25,STBA26, STPA20,STPA22,STBA23,STPA24,STPA25,STPA26, |
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| Specifications | OutsideDiameter | 10.3-1200mm | |
| Wall thickness | 1.24-120mm | ||
| Length | 6m, 5.8m, 12m or as customer's requirement | ||
| Mechanical Property |
Rm≥415MPa,Re≥205MPa,A≥30%( lengthways ), A≥20% |
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| Chemical Composition |
C≤015,Mn 0.30~0.60. Si ≤0.50,P ≤0.025,S ≤0.025, Cr 4.00~6.00,Mo 0.45~0.65 |
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| Price Term | FOB, CFR, CIF | ||
| Payment Term | T/T, L/C, | ||
| Delivery Time | in 7 days after 100% payment | ||
| Main Market | USA ,Germany ,India ,Iran,Dubai,Iraq,Viet Nam,Ireland,Sinagpore,and so on . | ||
| Package |
Export standard package: bundled wooden box or be required; about 24-26 CBM about 68 CBM |
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| Application |
1)Petroleum, Chemical enterprise, superheaterof boiler, heat exchanger in power station |
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ERW Pipe Pictures
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