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GB/T 3077 12CrNi2 round bars
GB/T 3077 12CrNi2 alloy structural steel, is a high cementation steel.GB/T 3077 12CrNi2 can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars. We henan bebon can supply GB/T 3077 12CrNi2 all of shapes.
GB/T 3077 12CrNi2 round bar
According to the market needs, henan bebon supply the oversea markets for GB/T 3077 12CrNi2 hot rolled round bars OD 6mm -80 mm and 12CrNi2 forged round bars OD 80 mm - 1200 mm, also GB/T 3077 12CrNi2 forged square bars OD 100- 1200 mm. The OD tolerance is about 0-3 mm and length tolerance is about 0-20 mm.
GB/T 3077 12CrNi2 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 12CrNi2 round bars chemical composition by %,maximum
Grade |
C |
Si |
Mn |
Cr |
Ni |
Cu |
P |
S |
|
GB/T 3077 12CrNi2 |
0.1-0.17 |
0.17-0.37 |
0.3-0.6 |
0.6-0.9 |
1.5-1.9 |
≤ 0.03 |
≤0.035 |
≤0.035 |
GB/T 3077 12CrNi2 round bars mechanical properties
Grade |
Delivery State |
T.S. |
Y.S. |
A,% |
Z,% |
Hardness, |
Forging ratio |
Grain Size |
Nonmetal ratio |
|
GB/T 3077 12CrNi2 |
Hot rolled, forged, or heat treatment |
785 |
590 |
12 |
50 |
207 |
≥ 4:1 |
≥ 6 |
≤ 2.0 |
If you need GB/T 3077 12CrNi2 high cementation steel round bar, or other grades,pls be free to contact us -- BEBON.