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
|
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 |
|
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