API 5L x70 psl2 Seamless Steel Pipe
Also called L485 pipe, as it’s yield strength minimum in 485 Mpa (300 psi).
API 5L X70 covers manufacturing types in seamless and welded (ERW, SAW) types, both applied for oil and gas transmissions.
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API 5L x70 psl2 Seamless Steel Pipe
Product introduction
API 5L X70 pipe is a premium grade piping material in API 5L standard specifications. Also called L485 pipe, as it’s yield strength minimum in 485 Mpa (300 psi). API 5L X70 covers manufacturing types in seamless and welded (ERW, SAW) types, both applied for oil and gas transmissions.
API 5L X70 PSL2 Pipe Dimensional Range:
| Trade Name | API 5L X70 PSL2 Pipe |
| Weld Alternatives: | ERW, HF, DSAW/SAWL, SMLS, HSAW |
| OD Size Range: |
ERW: 0.375″ through 30″ SMLS: 0.840″ through 26″ |
| Wall Ranges: | ERW: 0.120″ through 1.000″ HF: 0.120″ through 1.000″ DSAW/SAWL: 0.250″ through 6.000″ SMLS: 0.250″ through 2.500″ |
| Lengths: | Single Random Double Random Custom (up to 300′) |
| Grade: | ASTM A53, ASTM A106, ASTM A179, ASTM A192, ST35.8, ST37, ST42, ST52, E235, E355, S235JRH, S275JR, S355JOH, P235TR1, 10#, 20#, 45#, Q235, Q345 |
| Schedule: | SCH5 SCH10 SCH20 SCH30 SCH40 SCH80 SCH120 SCH140 SCH160 SCHXS SCHXXS |
| Surface Finishes: | Bare, Oiled, Mill Varnish, Galv, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap. |
| End Finishes: | Beveled, Square Cut, Threaded & Coupled. |
| Additional Services: | Internal Coating |
Ends of the API 5L X70 PSL2 Pipe
Ends of tubes are smooth, without threads.
From 60.3 diameter beveled according to standards:
DIN, EN – a = 40° – 60°, c = to 2 mm
ASME – a = 75° ± 5°, c = 1,6 ± 0,8 mm
Marking of API 5L X70 PSL2 Pipe and tube bundles
Tubes with diameter up to 1 ½” are marked with label on the bundle. Tubes with larger diameter than 1 ½” are implemented according to directives or upon request.
API 5L X70 PSL2 Pipe – surface protection
Line pipes are supplied without temporary protection against corrosion. Upon request it is possible to deliver tubes with agreed upon anticorrosion protection. The tube ends may be enclosed by a plastic plug.
Technical data
Chemical Composition
| Grade | Chemical Composition | |||||||
| C | Si | Mn | P | S | V | Nb | Ti | |
| API 5L X70 | 0.17 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.05 | 0.06 |
| API 5L X70 PSL 1 Chemical Requirements | ||||||||
| Grade | Composition, % | |||||||
| C max | Mn max | P | S max | V max | Nb max | Ti max | ||
| min | max | |||||||
| B | 0.28 | 1.2 | – | 0.03 | 0.03 | c.d | c,d | d |
| X70 | 0.28 | 1.4 | – | 0.03 | 0.03 | f | f | f |
| API 5L X70Q PSL 2 Chemical Requirements | |||||||||
| Grade | Composition, % | ||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Other | |
| X70Q | 0.18 | 0.45 | 1.8 | 0.025 | 0.015 | g | g | g | h,l |
API 5L GrB X70 PSL 1/2 Mechanical Properties
| Grade | Yield Strength Mpa | Tensile Strength Mpa | Raito | Elongation | ||
| min | max | min | max | max | min | |
| BN | 245 | 450 | 415 | 655 | 0.93 | f |
| BQ | ||||||
| X70Q | 485 | 635 | 570 | 760 | 0.93 | f |
Factory video
Shandong Mingding Supply Chain Management Service Co., Ltd. was established in 2013, focusing on the production, processing and trade of metal materials. We have a professional team to provide quality service, we sincerely welcome customers at home and abroad to visit our company for guidance and long-term cooperation.
Warehouse storage
The company has the most advanced production equipment and automatic control system, to ensure the most reliable product quality. In addition, we also have a professional international trade and logistics team. With quality products and excellent service, we have established a large number of long-term customers all over the world.

Packing and delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

Production Technology
Our main products include high quality carbon steel, stainless steel products,galvanized steel products, aluminum and copper. We can also provide cutting, punching, bending, polishing, shearing, wire drawing and other related service.
Honor
Application
Our company is set production processing and trade as one. The company has the most advanced production equipment and automatic control system, to ensure reliable product quality and sufficient supply capacity. Our main products are stainless steel, silicon steel, galvanized steel, carbon steel, aluminum products and other series. Applicable to engineering, coal mining, shipping, aviation, boiler, machinery, military and other fields. We sincerely welcome customers from all over the world to visit our company to discuss long-term cooperation.
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FAQ
How do you package the product?
The inner layer is covered with waterproof paper, packed in iron and secured by fumigated wooden brackets. It can effectively protect products from corrosion in the process of sea sample transportation.
Are the products inspected before shipment?
Of course. All our products go through strict quality tests before they are packed. Those that fail will be destroyed.
Can I visit your factory?
Of course. We welcome customers from all over the world to visit our factory.
What certifications have your products passed?
We have ISO 9001, SGS, EWC and other certifications.
Can you provide samples?
Of course, we can send samples all over the world. Our samples are free of charge, but the customer needs to bear the Courier charge
What is the loading port?
Normally, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. You can choose other ports according to your needs.
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Message
info@mingdingsteel.com

+8615553113555