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20MnV6 Hollow Bar Alloy Steel Seamless Pipes 20MnV6 Surface Hardening Treatments

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Contact Person amy
Business Type: Manufacturer Distributor/Wholesaler Agent Importer Exporter Trading Company Seller Other
Officials: China Factory : Suzhou Industrial Park, JiangSu Province,China
Quality: Quality Certifitation Available
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Product Details

20MnV6 Hollow Bar


What's the 20MnV6 Hollow Bar specification, 20MnV6 Hollow Bar chemistry, 20MnV6 Hollow Bar equivalent, 20MnV6 Hollow Bar Mechanical Properties? 20MnV6 Hollow Bar manufacturer in China.


What is 20MnV6


20MnV6 is a carbon-manganese steel micro alloyed with vanadium, generally supplied in the black hot rolled condition with
a typical tensile strength range of 600 - 790 Mpa and a high typical yield strength range of 440 - 570 Mpa.Characterized by
excellent machinability due to silicon - calcium treatment and precise control of the sulphur content, excellent weldability
with high yield and tensile strengths due to the micro - alloying effect of the vanadium.The low carbon content and the
vanadium addition allows surface hardening by carburising, carbonitriding or nitriding. It will also respond to high or
medium frequency induction hardening and can be through hardened and tempered producing a moderate improvement in
tensile and yield strength, this varying depending upon wall thickness.20MnV6 hollow bar is used extensively by all
industry sectors for a wide range of applications utilizing it's considerable saving on machining time and weight over solid
bar.
20MnV6 Typical applications are: Bushes, Cylinders Various, Conveyor Rolls, Hollow Shafts, Hollow Parts and components, Nuts,
Rings, etc.
20MnV6 Related Specifications
Europe EN 10294-1
France NF A49312 20MV6
Germany W.Nr 1.5217 20MV6
W.Nr 1.8905 StE 460
Great Britain BS4360 GR 55
USA UNS K01907 and K12202

20MnV6 Chemical Composition (Base Material)


Min %Max %
Carbon0.160.22
Silicon0.100.35
Manganese1.1301.60
Vanadium0.080.15
Phosphorous00.03
Sulphur0.020.04

20MnV6 Mechanical Property Requirements - As Supplied in the Black Hot Rolled Condition

Tensile Strength Mpa Min.

Wall Thickness (mm)

<16620
<25310
>25550

0.2% Yield Strength Mpa Min.

Wall Thickness (mm)

<16470
<25460
<30430
<40420
<50410
<70400
Elongation on 5.65√S0 % Min18
Hardness Brinell Min180
Typical Mechanical Properties - As Supplied in the Black Hot Rolled Condition
Tensile Strength Mpa690
Yield Strength Mpa500
Elongation %21
Hardness HB210
Typical (Minimum) Mechanical Properties - Water Quenched at 925 oC and Tempered at 580 oC.

Tensile Strength Mpa

Wall Thickness (mm)

<20750
<25700
<30650

0.2% Yield Strength Mpa Min.

Wall Thickness (mm)

<20650
<25620
<30570

Elongation %

Wall Thickness

<2016
>2017

Impact

+20oC 0oC -20oC

J

40
32
28

20MnV6 Carbonitriding


Heat to 870 oC - 880 oC in a gaseous media consisting of carbon monoxide/hydrocarbon plus ammonia, hold for sufficient
time to develop the required case depth, carbon and nitrogen content, followed by quenching in oil or water as required.
Typical case hardness achieved up to Rc 60.Tempering immediately while still hand warm at 150 oC - 200 oC will reduce
stresses and improve the toughness of the case.
20MnV6 Carburizing
Pack, salt or gas carburise at 880 oC - 920 oC, holding for sufficient time to develop the required case depth and carbon
content, followed by a suitable heat treatment cycle to optimise case and/or core properties.Typical case hardness
achieved up to Rc 63.

20MnV6 Case Hardening


Water quench from 760 oC - 780 oC.


20MnV6 or Core Refining


Oil quench from 870 oC - 880 oC prior to water quench as above.Tempering immediately following water quench at 150 oC -
200 oC will reduce stresses and improve toughness of case.
Company Profile

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

 

 

 

 

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