Pipe Moulds
Pipe moulds are used for steel pipe making. The diameter we can offer is ranged from 28mm to 1400mm and the max length up to 18000mm.
Chemical Composition (%)
Grade |
C |
Si |
Mn |
Cr |
Mo |
P |
S |
20CrMo |
0.17-0.24 |
0.17-0.37 |
0.40-0.70 |
0.80-1.10 |
0.15-0.25 |
≤0.035 |
≤0.035 |
21CrMo10 |
0.16-0.23 |
0.20-0.40 |
0.20-0.40 |
2.30-2.60 |
0.30-0.40 |
≤0.010 |
≤0.005 |
30CrMo |
0.23-0.30 |
0.17-0.37 |
0.40-0.70 |
0.80-1.10 |
0.15-0.25 |
≤0.010 |
≤0.005 |
Mechanical Property
Grade |
Rm (Mpa) |
Rp0.2 (Mpa) |
A (%) |
Z (%) |
Ak (J) |
HB |
20CrMo |
≥885 |
≥685 |
≥12 |
≥50 |
≥78 |
≥180 |
21CrMo10 |
≥780 |
≥680 |
≥12 |
≥50 |
≥50 |
≥240 |
30CrMo |
≥780 |
≥680 |
≥10 |
≥35 |
≥21 |
≥200 |