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1340 hot rolled round bars and forged round bars
1340 round bar is alloy steel round bar belong to American standard of ASTM A29/A29M-04.
1340 hot rolled round barThe Chemical composition of the 1340 hot rolled and forged round bar analysis -% by mass:
1340 round bars has high Strength, plasticity and wear resistance, but the cold deformation plasticity is not high, weldability is poor.
It mainly used in Shaft, axle shaft, crankshaft, axle, screw, worm, piston rod, joysticks, levers, connecting rod.
EAF ARC FURNACE + LF REFINING+ VD + forged (DOUBLE) + FIXED LENGTH + SEP1921C/c TESTING
The delivery condition 1340 round bar are:hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
The size for 1340 round bar which available for our bebon steel are Ф 5-80 for hot rolled round bar and Ф 80-1200 for forged round bar ,the length range is from 3000 to 12000mm.
The tolerance of the diameter is -0/+3mm ,The tolerance of the length is -0/+20mm.and the straightness tolerance is ≤3mm/m
surface delivery status: black/polishing/turning
The UT standard what we can do are Chinese standard of GB/T 6402 I.II,III and export standard SEP1921 CLASS C/C，D/D，E/E.
GRADE |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Ni% |
Cu |
|
1340 |
0.38～0.43 |
0.15～0.35 |
1.60～1.90 |
0.035 |
0.040 |
0.30 |
0.30 |
0.30 |
The Mechanical properties of the 1340 hot rolled and forged round bar
GRADE |
Tensile Strength min |
Yield Strength min |
Elongation min. |
contraction min |
impact min |
Hardness Max |
|
σb/M Pa |
σs/M Pa |
δ5/% |
ψ/% |
Akv/J |
HBS |
|
|
1340 |
885 |
735 |
12 |
45 |
55 |
217 |
We, Bebon will use our professional services , best quality and competitive price to fulfill each customers needs in 1340 hot rolled or forged round bar .More information about 1340 hot rolled or forged round bar,please feel free to contact us, we will always do our best to help you.