AISI 4340 Forged Steel Round Bar,half Round Steel Bar
Specifications
1.AISI 4340 forged steel round bar
2.Dia: 100mm-1000mm
3.Length: 3000mm-12000mm
4.Forged ratio: no less than 3:
AISI 4340 forged steel round bar,half round steel bar
Material: |
AISI 4340 forged steel round bar |
Diameter: |
100mm-1200mm |
Length: |
3000mm-12000mm Straightness: 3mm/M max |
Process: |
EAF + LF + VD + Forged + Heat Treatment (optional) |
Delivery condition: |
Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
Delivery Time: |
30-45 days |
MOQ: |
20 tons |
Heat treatment: |
Normalized / Annealed / Quenched / tempered |
Technical Data: |
According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
Test: |
Ultrasonic test according to SEP 1921-84 G3 C/c |
Marking: |
Grade, heat NO. length will be stamped one each bar with required color |
Payment: |
30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
Application: |
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. |
Chemical composition:
Grade |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Ni |
Mo |
40CrNi2Mo |
0.37-0.45 |
0.15-0.35 |
0.5-0.8 |
0.030 |
0.030 |
0.6-0.9 |
1.25-1.65 |
0.15-0.25 |
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