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ASTM A29/A29M 5160 round bars
ASTM A29/A29M 5160 alloy structural steel, belongs a spring steel. The properties of 5160 round bars, is higher than Si-Mn spring steel, but lower than Si spring steels. So ASTM A29/A29M 5160 round bars is mainly used in the field of vehicles,tractors etc. heavy machines. According to the properties, 5160 round bars is usually used with big diameter.
ASTM A29/A29M 5160 can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars. We henan bebon can supply ASTM A29/A29M 5160 all of shapes.
According to the market needs, henan bebon supply the oversea markets for ASTM A29/A29M 5160 hot rolled round bars OD 6mm -80 mm and 5160 forged round bars OD 80 mm - 1200 mm, also ASTM A29/A29M 5160 forged square bars OD 100- 1200 mm. The OD tolerance is about 0-3mm and length tolerance is about 0-20 mm.
ASTM A29/A29M 5160 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) + Sep 1921-C/c,D/d,E/e UT test + smooth edges with sawing .
ASTM A29/A29M 5160 round bars chemical composition by %,maximum
Grade |
C |
Si |
Mn |
Cr |
Ni |
Cu |
P |
S |
ASTM A29/A29M 5160 |
0.56-0.61 |
0.15-0.35 |
0.75-1.0 |
0.7-0.9 |
≤0.35 |
≤ 0.25 |
≤0.035 |
≤0.04 |
ASTM A29/A29M 5160 round bars mechanical properties
Grade |
Delivery State |
T.S. N/mm2 Min |
Y.S. N/mm2 Min |
A,% Min |
Z,% Min |
Hardness, (annealing or tempering) HB,max |
Forging ratio |
Grain Size (level) |
Nonmetal ratio |
ASTM A29/A29M 5160 |
Hot rolled, forged, or heat treatment |
1225 |
1078 |
9 |
20 |
321 |
≥ 4:1 |
≥ 6 |
≤ 2.0 |
If you need ASTM A29/A29M 5160 round bars, or other spring steel grades,pls be free to contact us.