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What Is 20MNV6 HOLLOW BAR, 20MnV6 Chemical Composition

What Is 20MNV6 HOLLOW BAR, 20MnV6 Chemical Composition

Boiler Power Engineering Steel Seamless Pipe In Grade 14MOV6-3, 1.7715 for working at elevated temperatures Molybdenum with vanadium additive , Acc To BN-66/0631-06, PN-75/H-84024, EN10216-2 And EN 10222-2 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...

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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.



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 天天捕鱼Typical applications are: Bushes, Cylinders Various, Conveyor Rolls, Hollow Shafts, Hollow Parts and components, Nuts,

Rings, etc.


20MnV6  Related Specifications


天天捕鱼Europe EN 10294-1

France NF A49312 20MV6

Germany W.Nr 1.5217 20MV6

天天捕鱼W.Nr 1.8905 StE 460

天天捕鱼Great Britain BS4360 GR 55

USA UNS K01907 and K12202



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天天捕鱼 Mechanical Property


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


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