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GB/T 3077 45CrNiMoVA steel round bars
GB/T 3077 45CrNiMoVA alloy structural steel round bar under GB/T 3077 chinese standard, belongs to a high carbon nitrided steel. GB/T 3077 45CrNiMoVA can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars. We henan bebon can supply GB/T 3077 45CrNiMoVA all of shapes.
GB/T 3077 45CrNiMoVA round bar
GB/T 3077 45CrNiMoVA round bars are usually produced under the followed procedures: EAF arc furnace + LF purify affinage + VDF + ingot steel(bottom gating /argon) + forged + annealing + black polishing (turnery) + GB/T6402-92 ΙΙ UT test + smooth edges with sawing .
GB/T 3077 45CrNiMoVA round bars chemical composition by %,maximum:
Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
V |
P |
S |
|
GB/T 3077 45CrNiMoVA |
0.42-0.49 |
0.17-0.37 |
0.5-0.8 |
0.8-1.1 |
1.3-1.8 |
0.2-0.3 |
0.1-0.2 |
≤0.025 |
≤0.025 |
GB/T 3077 45CrNiMoVA round bars mechanical properties
Grade |
Delivery State |
T.S. |
Y.S. |
A,% |
Z,% |
Hardness, |
Forging ratio |
Grain Size |
Nonmetal ratio |
|
GB/T 3077 45CrNiMoVA |
Hot rolled, forged, or heat treatment |
1470 |
1330 |
7 |
35 |
269 |
≥ 4:1 |
≥ 6 |
≤ 2.0 |
GB/T 3077 45CrNiMoVA steel round bar application:
GB/T 3077 45CrNiMoVA round bars is mainly used for manufacturing shock absorber which works in quaking load,such as elastic axis, torsion shaft of heavy-duty car and driving truck and so on.
According to the market needs, henan bebon supply the oversea markets for GB/T 3077 45CrNiMoVA hot rolled round bars OD 6mm -80 mm and 45CrNiMoVA forged round bars OD 80 mm - 1200 mm, also GB/T 3077 45CrNiMoVA forged square bars OD 100- 1200 mm. The OD tolerance is about 0-3 mm and length tolerance is about 0-20 mm. If you need GB/T 3077 45CrNiMoVA high carbon nitrided steel, or other grades,pls be free to contact us.