PN-EN 10305 Calibration Weights Cold Drawn Welded Tubes E22 E190

Production Information : PN-EN 10305-3 Calibrated steel tubes for precision applications


The advantage of steel tubes for precision applications is the high precision of their manufacturing, the good quality of their surface, and the guaranteed mechanical and technological properties. That is why the pipes are widely used in the machining industry and in the automotive industry.

Delivery condition

Chemical composition (ladle analysis)

Mechanical properties in room temperature for the +CR!, +A and +N delivery conditions

Mechanical properties (minimum values) in room temperature for the +CR2 delivery condition

Inspection and test list

PN-EN 10305-3 Calibrated steel tubes Pictures

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