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JIS G4053 SCM822 round bars
JIS G4053 SCM822 round bars is a high grade of low-alloyed steels for machine structural use. SCM822 is a typical material for Cr-Mo steels. JIS G4053 SCM822 can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars. We henan bebon can supply JIS G4053 SCM822 all of shapes.
Based on the properties, SCM822 round bar is mainly used for big gear and bore bit.
According to the market needs, henan bebon supply the oversea markets for JIS G4053 SCM822 hot rolled round bars OD 6mm -80 mm and SCM822 forged round bars OD 80 mm - 1200 mm, also JIS G4053 SCM822 forged square bars OD 100- 1200 mm. The OD tolerance is about 0-3 mm and length tolerance is about 0-20 mm.
JIS G4053 SCM822 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 .
JIS G4053 SCM822 round bars chemical composition by %,maximum
Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
P |
S |
JIS G4053 SCM822 |
0.2-0.25 |
0.15-0.35 |
0.6-0.9 |
0.9-1.2 |
≤0.25 |
0.34-0.45 |
≤0.03 |
≤0.03 |
If you need JIS G4053 SCM822 round bars, or other alloy steel grades,pls be free to contact us.