Commodity: Hexagon steel bar
1. Size According to customers requirement.
2. Material S235JRG2; S355JR; SS400; S10C-S60C; SCr440; SCr420; SCM440; SCM415; SCM435;
ST12; ST37; ST52; 4140; 4340; 12L14; 1215; 1340; 1345; 5120-5140; 20MnCr5; 16MnCr5;
34CrMo4; 42CrMo4; 20Cr4; 36CrNiMo4.
3. Steel grade and chemical composition
|
Steel grade |
C |
Si |
Mn |
P |
S |
Pb |
Cr |
|
12L14 |
0.15max |
0.15-0.35 |
0.85～1.15 |
0.04～0.09 |
0.26～0.35 |
0.10～0.35 |
|
|
1215 |
0.09max |
|
0.75～1.05 |
0.04～0.09 |
0.26～0.35 |
|
|
|
20MnCr5 |
0.17～0.22 |
≤0.40 |
1.10～1.40 |
≤0.035 |
0.010～0.035 |
|
1.00～1.30 |
|
42CrMo4 |
0.38-0.45 |
≤0.40 |
0.60～0.90 |
≤0.035 |
≤0.035 |
Mo: 0.15～0.30 |
0.90～1.20 |
|
20Cr4 |
0.18～0.24 |
0.17～0.37 |
0.50～0.80 |
≤0.035 |
≤0.035 |
Ni:≤0.030 |
0.70～1.00 |
|
ST12 |
≤0.10 |
|
≤0.50 |
≤0.035 |
≤0.035 |
|
|
|
SCM440 |
0.38～0.42 |
0.60～0.85 |
≤0.030 |
≤0.030 |
0.15～0.35 |
0.90～1.20 |
0.15～0.30 |
4. Usage Gear shaft; Piston pin; Worm; Mold; Machinery manufacturing and Processing.
