Material: 20CrMo, 30CrMo, 35CrMo, 42CrMo etc
Delivery condition: annealing / tempering
Process Method: hot rolling, cold drawn
Shanghai Metal Corporation is a professional manufacturer and supplier of CrMo alloy seamless steel pipe with high quality and reasonable price.
Chromium molybdenum steel seamless pipe is an alloy steel pipe made of chromium (Cr), molybdenum (Mo), iron (Fe), and carbon (C). Good quenching performance, capable of deep quenching. Due to its special high-quality performance, it is often used to manufacture valves that are resistant to high temperature and pressure.
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Technical Information of CrMo Alloy Seamless Steel Pipe:
Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cu |
Cr |
Mo |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elogation in 2in (%) |
20CrMo |
0.17-0.24 |
0.17-0.37 |
0.40-0.70 |
≤0.035 |
≤0.035 |
≤0.30 |
≤0.30 |
0.80-1.10 |
0.15-0.25 |
≥885 |
≥685 |
≥12 |
30CrMo |
0.26-0.34 |
0.17-0.37 |
0.40-0.70 |
≤0.035 |
≤0.035 |
≤0.30 |
≤0.30 |
0.80-1.10 |
0.15-0.25 |
≥930 |
≥785 |
≥12 |
35CrMo |
0.32-0.40 |
0.17-0.37 |
0.40-0.70 |
≤0.035 |
≤0.035 |
≤0.30 |
≤0.30 |
0.80-1.10 |
0.15-0.25 |
≥980 |
≥835 |
≥12 |
42CrMo |
0.38-0.45 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
≤0.30 |
≤0.30 |
0.90-1.20 |
0.15-0.25 |
≥1080 |
≥930 |
≥12 |
Production process of CrMo Alloy Seamless Steel Pipe:
1. The main production processes of hot-rolled seamless steel pipes (main inspection processes):
Preparation and inspection of pipe blank → Heating of pipe blank → Perforation → Rolling of pipe → Reheating of steel pipe → Sizing (reduction) → Heat treatment → Straightening of finished pipe → Finishing → Inspection (non-destructive, physical and chemical, bench inspection) → Warehousing
2. The main production processes of cold rolled (drawn) seamless steel pipes are:
Blank preparation → Acid cleaning and lubrication → Cold rolling (drawing) → Heat treatment → Straightening → Finishing → Inspection
Packaging of CrMo Alloy Seamless Steel Pipe:
Wooden cases or according to client's requirements