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31CrMoV9 Hot rolled steel round bar, 31CrMoV9 Forged steelround bar
31CrMoV9 Hot rolled and Forged steel round is under JIS G4053-2003 standard. It is a king of pinion steel. 31CrMoV9features good performance for heat treatment. The cutting process is good after do the normalizing treatment. Good quenching, can do quenching depth. 31CrMoV9 have the good processability under high temperature.
31CrMoV9 Hot rolled and Forged steel round bar Common size:
Common diameter for hot rolled steel bar: 16mm to 80mm
Common diameter for forged steel bar: 80mm to 1200mm
31CrMoV9 Package: standard seaworthy packing or as customer required
31CrMoV9 Hot rolled and Forged steel round bar Tolerance:
Diameter tolerance: 0~5mm， Length tolerance：0~20mm
straightness: 3mm/1000mm
31CrMoV9 Hot rolled and Forged steel round bar Delivery condition:
Hot forged +Normalized+rough turned Q/T:Quench+ Temper Annealing
EAF ARC FURNACE + LF REFINING+ VD + FORGING (DOUBLE) + FIXED LENGTH + SEP1921C/c TESTING
31CrMoV9 Hot rolled and Forged steel round barChemical composition
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
V |
Mo |
|
31CrMoV9 |
0,27 ~ 0,34 |
0.4 |
0.4~0.7 |
≤0.030 |
≤0.035 |
2.3~2.7 |
~ |
~ |
0.15~0.25 |
31CrMoV9 Hot rolled and Forged steel round bar Mechanical property
|
Tensile strength |
Yield strength |
Elongation |
Impact value |
Grade |
|
σb (MPa) Min |
σb (MPa) Min |
δ5 (%)Min |
Akv (J)Min |
|
|
1100~1300 |
800 |
10 |
30 |
31CrMoV9 |
Bebon international Co.,ltd is professional is steel bar. We are a large stockist of steel bar in China. We have almost 750 ton steel bar of 31CrMoV9 in stock. The stock size ranges from Φ80-700. The common length for 31CrMoV9steel bar is 5000 to 7000mm. And the price is competitive. If your stock size can be picked in our warehouse, we can transport in the loading port in 3 days. So please be free to contact us if you require steel bar.