Main Products: Aluminium Foil ,stainless steel ,aluminum steel ,copper steel ,machinery
CrMo Alloy Steel Bar, 42crmo4 alloy steel round bars, 42crmo4 steel price
Negotiable /Ton
Min.Order:1 Ton
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Business Type: Manufacturer,Trading Company
Shanghai ChinaMain Products: Aluminium Foil ,stainless steel ,aluminum steel ,copper steel ,machinery
Product Details
CrMo Alloy Steel Bar
SMC supply a wide range of quality alloy steel, such as 20 CrMo, 30 CrMo, 35CrMo ,40Cr and 42CrMo which are highly acclaimed by our international customers due to its durability and similar other attributes. These products are offered to our clients in standard and customized specifications, different types like boiler quality, structural steel, and abrasion resistant steel plate, ship building steel and quenched and tempered steel products.
Specification of CrMo Alloy Steel:
1) The comparison table for each standard
teel Grade | GB | ISO | AISI | JIS | DIN | NF |
20Cr | GB20Cr | 20Cr4 | 5120 | SCr22,SCr120 | 20Cr4 | - |
30Cr | GB34Cr4 | 34Cr4 | 5130 | SCr2,SCr430 | 34Cr4 | 34Cr4 |
35Cr | GB35Cr | 34Cr4 | 5132 | SCr3,SCr435 | 34Cr4 | 34Cr4 |
GB40Cr | 37Cr4 | 5140 | SCr4,SCr440 | 41Cr4 | 41Cr4 | |
45Cr | GB45Cr | 41Cr4 | 5145 | SCr5,SCr445 | 41Cr4 | 41Cr4 |
50Cr | GB50Cr | - | 5150 | SCr445 | - | - |
20CrMo | - | 18CrMo4 | - | SCM22,SCM430 | - | 25CrMo4 |
30CrMo | GB30CrMo | 25CrMo4 | 4130 | SCM2,SCM430 | 25CrMo4 | 25CrMo4 |
30CrMoA | GB30CrMoA | 34CrMo4 | 4130 | SCM430 | 34CrMo4 | 34CrMo4 |
35CrMo | GB35CrMo | 34CrMo4 | 4137 | SCM3,SCM435 | 34CrMo4 | 34CrMo4 |
42CrMo | GB42CrMo | 42CrMo4 | 4140 | SCM440 | 42CrMo4 | 42CrMo4 |
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 | ||||||
| 20CrMo | 885 | 685 | 12 | 50 | 78 | 197 |
| 30CrMo | 930 | 785 | 12 | 50 | 63 | 229 |
| 35CrMo | 980 | 835 | 12 | 45 | 63 | 229 |
| 40CrMo | 1080 | 930 | 12 | 45 | 63 | 217 |
| 42CrMo | 1080 | 930 | 12 | 45 | 63 | 217 |
3)Chemical composition
| Unified digital code | Steel Grade | C | Si | Mn | Cr | Mo |
| A30202 | 20CrMo | 0.17-0.24 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 |
| A30302 | 30CrMo | 0.26-0.34 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 |
| A30352 | 35CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 |
| - | 40CrMo | 0.35-0.45 | 0.15-0.40 | 0.40-0.70 | 1.00-1.50 | 0.50-0.80 |
| A30422 | 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | 0.15-0.25 |
Application of CrMo Alloy Steel:
- Boiler
- Motor rotator
- Connection rod
- Large gear and gear
- Large diameter shaft
- Driven gear of booster
- Salvage tools for ocean oil drilling
Feature of CrMo Alloy Steel:
- High fatigue resistance
- Good plasticity in cold condition
- High quality with competitive price
- Good combination property
Packaging of CrMo Alloy Steel:
SMC Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.
1)SMC Standard
2)Customization
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