Products
- Stainless Steel Sheets[6]
- Other Bean Products[1]
- Stainless Steel Strips[6]
- Stainless Steel Pipes[6]
- Stainless Steel Bars[6]
- Steel I-Beams[6]
- Steel H-Beams[6]
- Magic Tricks[6]
- Pipe Fittings[6]
- Cast & Forged[6]
- Chains[6]
- Conveyors[2]
- Rubber Belts[1]
- Other Shoe Materials[1]
- Steel Sheets[6]
- Other Wire Mesh[1]
- Iron Wire Mesh[4]
- Tinplate[6]
- Aluminum Sheets[6]
- Other Aluminum[6]
- Aluminum Foil[6]
- Aluminum Pipes[6]
- Aluminum Composite Panels[6]
- Aluminum Wire[1]
- Copper Pipes[6]
- Copper Strips[6]
- Copper Bars[6]
- Other Copper[6]
- Electrical Wires[6]
- Other Titanium[6]
- Power Cables[6]
- Steel Wire[6]
- Other Marine Supplies[1]
- Steel Round Bars[6]
- Square Steel[6]
- Flat Steel[6]
- Steel Channels[6]
- Steel Angles[6]
- Metal Building Materials[6]
- Spring Steel[4]
- Used Machinery & Equipment[6]
- Deep Groove Ball Bearings[2]
- Steel Strips[6]
- Steel Pipes[6]
- Other Steel Profiles[1]
- Other Metals & Metal Products[6]
- Steel Structures[1]
- Steel Wire Mesh[1]
- Ladder & Scaffolding Parts[2]
- Nickel[6]
- Electrical Contacts and Contact Materials[2]
- Titanium Pipes[6]
- Terminals[6]
Contact Us
- Contact Person : Mr. manager sales
- Company Name : Shanghai Metal Corporation
- Tel : 86-21-5830-9368
- Fax : 86-21-5081-9492
- Address : Shanghai,Shanghai,1701 Yuan Mansion, 738 Dongfang Road, Shanghai City. China.
- Country/Region : China
- Zip : 200122
20CrMo Alloy Steel
Product Detailed
Related Categories:Steel Pipes
Related Product Searches:20CrMo Alloy Steel,High Quality 20CrMo Alloy Steel,20CrMo Alloy Steel
CrMo Alloy Steel:
1. Thickness: 3mm-300mm
2. Width: 900mm to 1850mm
3. Length: 2000mm to 12000mm
Related Product Searches:20CrMo Alloy Steel,High Quality 20CrMo Alloy Steel,20CrMo Alloy Steel
Specification of 20CrMo Alloy, 30 CrMo, 35CrMo and 42CrMo Steel:1) Chemical composition
| Unified digital code | Steel Grade | C | Si | Mn | Cr | Mo |
| A30202 | 20 CrMo | 0.17-0.24 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 |
| A30302 | 30 CrMo | 0.26-0.34 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 |
| A30352 | 35 CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 |
| A30422 | 42 CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | 0.15-0.25 |
2) Mechanical Properties
| Steel grade | Tensile strength (σb/MPa) | Yield point (σb/MPa) | Elongation (δ5/%) | Reduction of Area (ψ/%) | Impact absorbing Energy (Aku2/J) | Brinell Hardness (HBS100/3000) |
| Annealing or High Tempering | ||||||
| 20 CrMo | 885 | 685 | 12 | 50 | 78 | 197 |
| 30 CrMo | 930 | 785 | 12 | 50 | 63 | 229 |
| 35 CrMo | 980 | 835 | 12 | 45 | 63 | 229 |
| 42 CrMo | 1080 | 930 | 12 | 45 | 63 | 217 |
3) The comparison table for each standard
| Steel Grade | GB T 3077-1988 | JIS G4103-4105 | ASTM A29 | ISO |
| 20 CrMo | GB 20CRMO | SCM420 | 4118 | A30202 |
| 30 CrMo | GB 30CRMO | SCM430 | 4130 | A30302 |
| 35 CrMo | GB 35CRMO | SCM435 | 4135 | A30352 |
| 42 CrMo | GB 42CRMO | SCM440 | 4140 | A30422 |
Application of 20 CrMo , 30 CrMo, 35CrMo and 42CrMo Alloy Steel:BoilerMotor rotatorConnection rodLarge gear and gearLarge diameter shaftDriven gear of boosterSalvage tools for ocean oil drilling
Feature of 20 CrMo , 30 CrMo, 35CrMo and 42CrMo Alloy Steel1) High fatigue resistance2) Good plasticity in cold condition3) High quality with competitive price4) Good combination property
