15CrMo Alloy Structural Steel Bar
Steel grade: 15CrMo
Digital code: A30152
Steel group series: CrMo
Implementation standard: GB/T3077-1999
Delivery status: hot rolled or annealed, the specific delivery status shall be subject to the warranty.
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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- Tel: +8615824687445
GNEE 15CrMo Structural Steel Bar introduce
15CrMo Alloy Structural Bar
15CrMo steel round bar is a highly regarded material that offers a variety of excellent properties. This round steel bar has excellent strength and durability. It is able to withstand large mechanical stresses and is suitable for applications that require a strong material. Its high strength ensures the structural integrity of components and machinery, making it a reliable choice in harsh industrial environments. In addition to its strength, 15CrMo round steel also has good heat resistance. Its ability to maintain its mechanical properties at high temperatures makes it ideal for applications such as boilers, pressure vessels, and heat exchangers. This heat resistance is essential to ensure the safe and efficient operation of these systems. The material also has good weldability. This makes the manufacture and connection of round bars more convenient, thus facilitating the construction of complex structures and assemblies. Skilled welders are able to achieve strong and reliable welds, ensuring the integrity of the final product.
In addition, 15CrMo round steel has good corrosion resistance. It can withstand the corrosive effects of various environments and extend the service life of the components made from it. This feature is particularly important in applications that may be exposed to moisture, chemicals, or other corrosive substances. The surface of the round bar is usually smooth and uniform, which is not only aesthetically pleasing, but also convenient for further processing. The round bar is also easy to machine, polish, or coat to meet specific design requirements.
15CrMo round steel is a versatile and valuable material that combines strength, heat resistance, weldability, corrosion resistance and good surface finish. It is widely used in industries such as power generation, petrochemicals and mechanical engineering. Whether used to build critical components or general engineering applications, this round steel provides reliable performance and durability.
GNEE 15CrMo Structural Bar Specification
|
Property |
Description/Value |
|---|---|
|
Dimensions |
Round Bar Diameter: 10–300 mm (common); |
|
Thickness |
For rectangular bars only: 5–100 mm (standard range). Not applicable (N/A) to round bars (defined by diameter). |
|
Width |
For rectangular bars only: 20–500 mm (standard range). Not applicable (N/A) to round bars (defined by diameter). |
|
Length |
1000–6000 mm (standard fixed lengths); customizable up to 12,000 mm. |
|
Standards |
International: ASTM A322, EN 10083-3; |
|
Surface Treatment |
Regular: Hot-rolled (black surface), Polished (precision parts); |
|
Hardness |
Annealed condition: HB 170–210 (easy machining); |
|
Density |
7.85 g/cm³ (standard for steel alloys). |
|
Material |
Grade: 15CrMo alloy steel; |
|
Applications |
High-temperature/pressure components (boiler tubes, reactors), wear-resistant parts (gears, shafts), petroleum equipment bolts, steam turbine blades. |
| Chemical Composition (%) | |||||||||
| C | Mn | Si | Cr | Mo | Ni | Nb+Ta | S | P | |
| 15CrMo | 0.12~0.18 | 0.40~0.70 | 0.17~0.37 | 0.80~1.10 | 0.40~0.55 | ≤0.30 | _ | ≤0.035 | ≤0.035 |
Mechanical properties
| Yield strength σs/MPa (>=) | Tensile strength σb/MPa (>=) | Elongation δ5/% (>=) | |
| 15CrMo | 440~640 | 235 | 21 |
Steel Material equivalent of SCM415
| USA | Germany | China | Japan | France | England | Italy | Poland | Czechia | Austria | Sweden | Spain |
| SAE/AISI/UNS | DIN,WNr | GB | JIS | AFNOR | BS | UNI | PN | CSN | ONORM | SS | UNE |
| 15CrMO | 1.7262 | 15CrMo | SCM415 | 15CD4.05 | 1501-620 | Cr31 | X30WCRV93KU |
Gnee Steel 15CrMo Alloy Structural Steel Bar Application
15CrMo is widely used worldwide, adding core chemical elements such as Cr and Mo to low-carbon materials, greatly improving its overall performance. It has excellent high-temperature performance, high-temperature oxidation resistance, corrosion resistance, and toughness. Widely used in the manufacturing of large-scale equipment with harsh operating conditions and complex corrosive media, such as petrochemical, coal conversion, nuclear power, steam turbines, cylinder bodies, thermal power, etc.
GNEE Metal 15CrMo Alloy Structural Steel Bar Schedule
15CrMo Structural Bar - Market Common Sizes
|
Shape |
Common Dimensions (mm) |
|---|---|
|
Round Bars |
20, 25, 30, 40, 50, 60, 80, 100, 120, 150, 200, 250 |
|
Rectangular Bars |
10×30, 10×50, 20×40, 20×60, 30×50, 30×100, 40×80, 50×100 |
|
Square Bars |
20×20, 30×30, 40×40, 50×50, 60×60, 80×80, 100×100 |
|
Thickness Range |
10–100 mm (rectangular/square) |
|
Width Range |
20–200 mm (rectangular) |
|
Standard Lengths |
3,000; 5,000; 6,000 mm (95% of market supply) |
GNEE Group Factory Environment
GNEE Group 15CrMo Alloy Steel Bar Factory Environment
GNEE Group 15CrMo Steel Bar Packaging
GNEE Group 15CrMo Alloy Bar Packaging
GNEE Group Testing
GNEE Group 15CrMo Bar Testing
Gnee Steel Group Qualification Certificate
Gnee Steel Group Qualification Certificate
FAQ
Q: What is 15CrMo material?
A: 15CrMo steel is a heat-resistant steel with pearlite structure, high thermal strength (δb≥440MPa) and high temperature oxidation resistance, and has certain resistance to hydrogen corrosion.
Q: What is 15CrMoG equivalent to ASTM material?
A: 15CrMoG is the GB 5310-95 steel grade (equivalent to 13CrMo44 in the Federal Republic of Germany; corresponding to the 1Cr-1/2Mo and 11/4cr-1/2mo-si steels widely used in countries around the world).
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