31CrMoV9 Alloy Steel
Qilu is an 31CrMoV9 alloy steel manufacturer that offers a wide selection of sizes, shapes, and thicknesses.
Professional 31CrMoV9 Alloy Steel Supplier
31CrMoV9 is a kind of nitriding steel, which contains minimum of 2.3% chromium, 0.15% molybdenum, and 0.1% vanadium as strengthening alloy elements. Its high wear resistance makes it mainly suitable for automobile industry and general mechanical engineering. The weld process of this kind of steel is challenging, therefore it is not recommended for welding structures. After nitriding, the hardness can reach 800HV. In addition, 31CrMoV9 is related to the nitrided steel 30CrMoV9 (DIN 1.7707).
Shape Customization
Hot rolled steel bars
Diameter: 6mm-130mm
Length: 3000-10000mm
Length: 3000-10000mm
Hot forged steel bar
Diameter: 130mm-900mm
Length: 3000-6000mm
Length: 3000-6000mm
Thickness:120-800mm
Width:120-1500mm
Length:2000-6000mm
Length:2000-6000mm
Grade Of Different Country And Chemical Composition
GB 31CrMov9 – CN
DIN 31CrMov9 – DE
DIN 1.8519 – DE
NF 31CrMov9 – FR
ISO 31CrMov9 – ISO
ISO 1.8519 – ISO
Chemical composition:
| C | Mn | Si | Cr | Mo | P | S | V |
| 0.27-0.34 | 0.40-0.70 | ≤0.40 | 2.30-2.70 | 0.15-0.25 | ≤0.025 | ≤0.035 | 0.10-0.20 |
Surface condition
Qilu Alloy Steel Series
Application Of 31CrMov9 Alloy Steel
Automobile industry
Using for manufacturing important parts such as gears,crankshaft,connecting rods,etc.
Mechanical engineering
Applied for various mechanical components has requirements of high strength,such as transmission systems,bearings,etc.
Energy industry
It is used for power equipment and pressure vessels in high temperature and high pressure environment.
Qilu 31CrMoV9 Alloy Steel
Your Excellent 31CrMoV9 Alloy Steel Manufacturer
31CrMoV9 alloy steel, also known as ASTM5140, is commonly used to manufacture gears, shaft mechanical parts, aerospace parts, high-strength parts for automobiles, pipes and components, etc.
Since 31CrMoV9 alloy steel has good strength and heat resistance, you can use this material in a high temperature environment without worrying about it being easily damaged.
Contact us now to buy it!