4340 Alloy Steel Flat Bar:
Specifications Of 4340 Flat Bar:
| Specifications |
ASTM A29 |
| Grade |
4340,G43400 |
| Length |
As Required |
| Thickness |
2mm-100mm |
| Condition |
Hot rolled,Smooth turned,Peeled,Cold Drawn,Centreless Ground,Polished |
| Surface Finish |
Black, Polished |
Alloy Steel 4340 Bar Equivalent Grades:
| STANDARD |
WERKSTOFF NR. |
UNS |
| 4340 |
1.6565 |
G43400 |
4340 Steel Flat Rod Chemical Composition:
| Grade |
C |
Mn |
Si |
Cr |
Ni |
Mo |
| 4340 |
0.38-0.43 |
0.60-0.80 |
0.15-0.30 |
0.70-0.90 |
1.65-2.0 |
0.20-0.30 |
Mechanical properties :
| Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
Hardness |
| 850-1000MPa |
680-860MPa |
14 % |
24-28HRC |
4340 Steel Bar UT Test :
4340 Alloy Bar PMI Test :
4340 Bar Hardness Test :
4340 Steel Flat Bar Test Report :
According to: Standard ASTM A370-24a.
Applications of AISI 4340 Alloy Bar
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High Tensile Steel Flat 4340 Packing: