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China factory - BEST PIPELINE EQUIPMENT CO.,LTD

BEST PIPELINE EQUIPMENT CO.,LTD

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  3. 20MnV6 Hollow Bar Alloy Steel Seamless Pipes 20MnV6 Surface Hardening Treatments
China 20MnV6 Hollow Bar Alloy Steel Seamless Pipes 20MnV6 Surface Hardening Treatments
China 20MnV6 Hollow Bar Alloy Steel Seamless Pipes 20MnV6 Surface Hardening Treatments

  1. China 20MnV6 Hollow Bar Alloy Steel Seamless Pipes 20MnV6 Surface Hardening Treatments
  2. China 20MnV6 Hollow Bar Alloy Steel Seamless Pipes 20MnV6 Surface Hardening Treatments

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

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Product Specification

High Light alloy steel seamless tubes ，seamless alloy steel tube

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 %
Carbon 0.16 0.22
Silicon 0.10 0.35
Manganese 1.130 1.60
Vanadium 0.08 0.15
Phosphorous 0 0.03
Sulphur 0.02 0.04

 

 

 

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

Tensile Strength Mpa Min.

Wall Thickness (mm)

 ＜16 620
＜25 310
＞25 550

0.2% Yield Strength Mpa Min.

Wall Thickness (mm)

 ＜16 470
＜25 460
＜30 430
＜40 420
＜50 410
＜70 400
Elongation on 5.65√S0 % Min 18
Hardness Brinell Min 180
Typical Mechanical Properties - As Supplied in the Black Hot Rolled Condition
Tensile Strength Mpa 690  
Yield Strength Mpa 500  
Elongation % 21  
Hardness HB 210  
Typical (Minimum) Mechanical Properties - Water Quenched at 925 oC and Tempered at 580 oC.

Tensile Strength Mpa

Wall Thickness (mm)

 ＜20 750
＜25 700
＜30 650

0.2% Yield Strength Mpa Min.

Wall Thickness (mm)

 ＜20 650
＜25 620
＜30 570

Elongation %

Wall Thickness

 ＜20 16
＞20 17

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 Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    2010

  • Total Annual:

    1000000-5000000

  • Employee Number:

    116~209

  • Ecer Certification：

    Site Member

  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 ...   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 ...

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  • BEST PIPELINE EQUIPMENT CO.,LTD
  • China Factory : Suzhou Industrial Park, JiangSu Province,China
  • https://www.alloysteelseamlesspipe.com/

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