15Mo3 Seamless Boiler Tube Alloy Steel Seamless Pipe For Heat Exchangers
15Mo3 Seamless Boiler Tube Alloy Steel Seamless Pipe For Heat Exchangers
Seamless boiler tubes made from 15Mo3 alloy steel are critical components in a range of industrial applications where high temperature and pressure are involved. These pipes are particularly valued for their durability, heat resistance, and excellent mechanical properties. Below is a comprehensive overview of 15Mo3 seamless boiler tubes, covering material specifications, key features, and their application in various industries.
Material
15Mo3 is a low-alloy steel predominantly used for manufacturing boiler tubes and pipes that can withstand high temperatures and harsh environmental conditions. It incorporates molybdenum, enhancing corrosion and pitting resistance, making it an ideal choice for heat exchangers and similar applications.
Specification
- Standard: DIN 17175
- Grade: 15Mo3
- Form: Seamless pipes and tubes
- Outer Diameter: Typically ranges from 10.2mm to 711mm
- Wall Thickness: Ranges from 1.2mm to 60mm
- Length: Available in single random, double random, or as required by the client
- Tolerance: As per applicable standard and customer requirement
Key Features
- High Temperature Resistance: Excellent performance under high temperature conditions.
- Corrosion Resistance: Effective against oxidation and pitting in hostile environments.
- Mechanical Strength: Superior strength ensures reliability in pressure vessels and heat exchangers.
- Versatility: Can be tailored to specifications for various industries and applications.
Chemical Composition
The table below outlines the typical chemical composition for 15Mo3 seamless boiler tubes:
| Element | Composition (Max %) |
|---|---|
| Carbon (C) | 0.12 - 0.20 |
| Silicon (Si) | 0.20 - 0.35 |
| Manganese (Mn) | 0.40 - 0.90 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Molybdenum (Mo) | 0.25 - 0.35 |
Mechanical Properties
Below are the typical mechanical properties for 15Mo3 tubes:
| Property | Value |
|---|---|
| Tensile Strength | 450 - 600 MPa |
| Yield Strength | Min 270 MPa |
| Elongation | 22% (min) |
Similar Standards and Steel Grades
The 15Mo3 is comparable to several international standards and steel grades such as:
- ASTM: A204 Grade A
- EN: 16Mo3
- GOST: 12KhM
These equivalents can be interchangeably used depending on the inter-industry specifications and requirements.
Application
15Mo3 seamless boiler tubes are widely used in various industries, including:
- Power Plants: Integral to the design of boilers and related components that require sustained high temperature and pressure conditions.
- Petrochemical Industry: Used in heat exchangers due to their resistance to corrosion under chemical exposure.
- Industrial Boilers: Part of heating systems in various manufacturing processes.
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