Enquiry
SCM415 steel round bar is a kind of Cr-Mo heat resistant steel bar under JIS G4053 standard. JIS G4053 SCM415 bars can be used at 500-550°C.
JIS G4053 SCM415 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) + GB/T6402-92 ΙΙ UT test + smooth edges with sawing.
| JIS G4053 SCM415 round bars chemical composition by %,maximum | ||||||||
|---|---|---|---|---|---|---|---|---|
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| JIS G4053 SCM415 | 0.13 - 0.18 | 0.15 - 0.35 | 0.6 - 0.9 | ≤0.03 | ≤0.03 | ≤0.25 | 0.9 - 1.2 | 0.15 - 0.25 |
| JIS G4053 SCM415 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 |
| JIS G4053 SCM415 | Hot rolled, forged, or heat treatment | 834 | - | 16 | 40 | 235 - 321 | ≥ 4:1 | ≥ 6 | ≤ 2.0 |
