
Normy
The products described above are determined by:
- Polish Norms - PN-H-74245, PN-H-74242, PN-H-86020, PN-H-74256, BN-67/0648-02, BN-66/0648-06, PN-H-74241, PN-H-74240, PN-H-74219, PN-H-74252, PN-H-74255, BN 54/0463-04, PN-H-74243, PN-H-74200, PN-H-74244, PN-H-74244, PN-H-74248, PN-H-74209, PN-H-74207, PN-H-74250, PN-H-74251.
- Euronorms - PN-EN 10216-1, PN-EN 10216-2, PN-EN 10216-4 +A1, PN-EN 10216-5, PN-EN 10296-1, PN-EN 10296-2, PN-EN 10297-1, PN-EN 10297-2, PN-EN 10301, PN-EN 10305-1, PN-EN 10305-2, PN-EN 10305-3, PN-EN 10305-4, PN-EN 10305-5, PN-EN 10312.
Steel tubes | |
Seamless hot rolled tubes | Range of available outside diameters: fi 0,7mm - fi 2000mm Wall thickness range: 0,1mm - 70mm Lenghts <18000mm |
Seamless cold rolled tubes | |
Cold-drawn seamless tubes | |
Precision seamless tubes | |
Thick-walled seamless pipes | |
Construction welded tubes | |
Welded tubes for installation applications | |
Duct seamed tubes | |
Welded tubes for gas installation | |
Longitudinally welded tubes | |
Grounded and polished tubes | |
Hot-rolled sleeves |
Standard description | Steel pipes for pipelines for combustible fluids. Pipes of requirement class A. |
Manufacturing | Manufactured as seamless pipes and as welded pipes. Details: |
Steel grades used | Requirement class A L210GA, L235GA, L245GA, L290GA, L360GA |
Dimensions and tolerances | For the outside diameter of welded pipes For D<60mm +/-0,75% or +/- 0,5 mm depending on which value is greater. For 60<D<610 +/-0,75% or +/- 0,5 mm depending on which value is greater. For 610<D<1410 +/-0,5% or +/- 4,0 mm depending on which value is greater. For D>1410 to be negotiated |
Tightness | Pipes should be subject to water testing (7Mpa) or electromagnetic testing. |
Straightness | < 0,0015 of pipe length (below 3 mm per every meter of pipe length) |
Tests | Details: |
Pipe types and the manufacturing process
Pipe type | Original material | Plastic forming of the pipe1) | Thermal processing state | Thermal processing symbol |
Seamless (S) | Ingot or block | Hot rolling | Normalization or normalization plastic forming | N |
Heat treatment | Q | |||
Hot rolling and cold finishing | Normalization | N | ||
Heat treatment | Q | |||
High frequency welding (HFW) | Normalized rolled strips | Cold forming | Normalization of the weld area | N |
Thermomechanically rolled strips | Heat treated weld area | M | ||
Hot rolled strips or normalized rolled strips | Cold forming and reduction with hot tensioning at controlled temperature so as to achieve a normalized state | Normalization (whole pipe) | N | |
- | N | |||
Submerged arc welding (SAW) -longitudinal (SAWL) -spiral (SAWH) or combined welding (COW) -longitudinal (COWL) –spiral (COWH_ | Normalized or normalized rolled sheets or strips | Cold forming | - | N |
Thermomechanically rolled sheets or strips | ||||
Rolled sheets or strips | Normalization plastic forming | - | M | |
Normalized or normalized rolled sheets or strips | N |
Product Show
BEST PIPELINE EQUIPMENT CO.,LTD
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in
the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties
for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The Company was founded in 1996 on the buttwelding fittings , forged flanges and steel pipes
with the aim of becoming a one-stop solution partner for their clients.
Best Alloy Engineering Alloy Pipe is one group company !
The company ’s business model is characterized by complete control of the supply chain, with
integrated production, stock and distribution operations. A strong market image reinforced by
genuine trust has enabled very rapid growth in all areas of the world.
It fixes assets of 8 million dollar, covers an area of 60,000 square meters.
In Best Alloy Pipe Engineering , there are more than 150 employees
with strong technical faculty in our company ,including 15 engineers, and 16 technicians.
Owning advanced flanges and tube supporting the production lines, the company has high technology skills in
forge and press, If push system, machining, cold forming, hot extrusion and heat treatment .
In addition, our factory also has the capabilities of chemical analysis, metallurgical analysis,
physical experiment, nondestructive testing and other advanced detection. Therefore, Best
Pipeline could produce different ranges of stainless steel, alloy steel, carbon steel flanges,
elbows, tees, reducers, caps, big bend, the socket series of pipeline components with high and
medium pressure, and various specifications, material steel pipe according to international and
domestic standards.
Best Alloy Pipe has a manufacturing license in
the field of
the petroleum, petrochemical, chemical, shipbuilding and other industries. The products have been widely used
in marine, power generation, natural gas, chemicals, chemical, petroleum, pharmaceutical, coal, aviation,
construction, water supply and many other fields.
In 2003, the company has provided a lot of well-known foreign trade enterprises to the domestic
OEM products, and several foreign guests of audits and visits, which makes the company win the
domestic and foreign customers trust and praise. Along with the company's expansion command,
it has obtain the right to import and export goods in 2004, developing a direct business dealings
with Germany , Poland , Belgium , the United States, Russia, Australia, Brazil, Iran, Dubai, Paraguay,
Chile, Argentina, and more than 40 other countries. Now Best Pipeline has grown into a star company
gathered production, manufacturing, domestic and foreign sales of other diversified businesses.
Best Pipeline uses high-quality products and good service to
establish a good corporation image
and good reputation, using a reasonable price to win customers’ trust and occupy the market.
The company will always insist on putting science and technology in the first and make every
effort to develop new product as customers’ requirements.
The company will always pursuit excellence along with the brilliant corporation spirit, and always
adhere to the purpose of "Quality first, Customer satisfaction", to provide customers with qualified
products and good service