SCM415 SCM420 SCM435 SCM440 JIS alloy steel round bars
- Specification: SCM420H
- Application: Automobile Components
- Production Line: EAF(EBT) → LF → VD → Continuous Casting → Hot Rolled
4.Steel Grades in different standards:
| GB |
JIS |
DIN |
ASTM/AISI/SAE |
| 20CrMoH |
SCM420H |
18CrMo4H |
4120H |
5.Chemical composition:
| C |
SI |
MN |
S |
P |
CR |
MO |
| 0.17-0.23 |
0.17-0.37 |
0.55-0.90 |
0.03 (max) |
0.03 (max) |
0.85-1.25 |
0.15-0.35 |
6.Dimension Tolerances:
| DIA |
7-20 |
20-30 |
30-50 |
50-80 |
80-110 |
110-150 |
150-190 |
190-250 |
| MM |
+0.35
-0.35 |
+0.40
-0.40 |
+0.50
-0.50 |
+0.70
-0.70 |
+1.0
-1.0 |
+1.3
-1.3 |
+2.0
-2.0 |
+2.5
-2.5 |
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