Commodity: Structural alloy steel bar
1. Material ASTM1320; ASTM1321; ASTM1524; ASTM1330; 20Mn5; 28Mn6; 30Mn5; 34Mn5; 36Mn7; 50Mn7;
37MnSi5; 46MnSi4; 17Cr3; 15Cr3; 17Cr3,;20Cr4.
34Cr4,37Cr4,41Cr4,13CrMo44, 13CrMo45
2. Usage "Ship machinery; mechanical equipment; car bearing; mining machinery; construction machinery;
petroleum machinery; precision machine tools; textile machinery etc.
3. Size Diameter: 1mm-400mm
4. Material chemical composition
|
Steel grade |
C |
Mn |
S |
P |
Si |
Cr |
|
SASTM1330 |
0.28～0.33 |
1.60～1.90 |
≤0.04 |
≤0.035 |
0.15～0.35 |
|
|
20Mn5 |
0.10～0.22 |
1.10～1.70 |
≤0.35 |
≤0.35 |
0.17～0.37 |
≤0.30 |
|
30Mn5 |
0.27～0.34 |
1.40～1.80 |
≤0.35 |
≤0.35 |
0.17～0.37 |
≤0.30 |
|
15Cr3 |
0.12～0.18 |
0.40～0.60 |
≤0.35 |
≤0.35 |
0.15～0.40 |
0.40～0.70 |
|
20Cr4 |
0.18～0.24 |
0.50～0.80 |
≤0.35 |
≤0.35 |
0.17～0.37 |
0.70～1.00 |
|
13CrMo4 |
0.08～0.18 |
0.40～1.00 |
≤0.025 |
≤0.03 |
≤0.35 |
0.70～1.15 |
