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Help CenterLow Pressure Boiler Tube – The Economical Choice for Heating Applications Understanding Low Pressure Boiler Tubes and Their Applications
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Understanding Low Pressure Boiler Tubes and Their Applications
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Low Pressure Boiler Tube – The Economical Choice for Heating Applications
Understanding Low Pressure Boiler Tubes and Their Applications
Low pressure boiler tubes are the most commonly used boiler tubes in commercial heating systems, small industrial applications, and domestic hot water systems. They offer a cost-effective solution for moderate temperature and pressure requirements.
What is a Low Pressure Boiler Tube?
A low pressure boiler tube is a seamless steel tube designed to withstand working pressures up to 2.5 MPa and operating temperatures below 450°C . These tubes are typically manufactured from economical carbon steel grades.
Pressure Ratings
| System Type | Typical Pressure | Description |
|---|---|---|
| Domestic heating | 0.8-1.0 MPa | Residential and light commercial |
| Commercial heating | 1.0-1.6 MPa | Office buildings, schools, hospitals |
| Small industrial | 1.6-2.5 MPa | Food processing, small manufacturing |
Common Applications
Domestic hot water boilers – Heating water for residential use
Commercial HVAC systems – Heating for large buildings
Food processing equipment – Process heating and cooking
Small industrial boilers – Light manufacturing steam needs
Material Selection
| Grade | Standard | Max Temp | Best For |
|---|---|---|---|
| 10# | GB/T 3087 | 350°C | General low pressure heating |
| 20# | GB/T 3087 | 400°C | Most common – best balance of cost and performance |
| A179 | ASTM A179 | 400°C | Heat exchanger applications |
Low Pressure vs High Pressure Tubes
| Feature | Low Pressure | High Pressure |
|---|---|---|
| Standard | GB/T 3087 | GB/T 5310 |
| Materials | 10#, 20# | 20G, 15CrMoG, 12Cr1MoVG |
| Max pressure | 2.5 MPa | ≥9.8 MPa |
| Cost | Lower | Higher |
Choose Wuxi Hengzhihui
We supply low pressure boiler tubes in sizes from 6mm to 204mm OD, with wall thicknesses from 1mm to 18mm.
📧 Contact Alice Yuan at yjhtrade@gmail.com for a quick quote.
Tags: Low Pressure Boiler Tube GB/T 3087 20# Boiler Tube Heating Tube
Medium Pressure Boiler Tube – Product Detail & Blog Post
Product Detail Page
Medium Pressure Boiler Tube – Seamless Carbon Steel
For Industrial Boilers & Cogeneration Systems
OD 6mm – 204mm | WT 1mm – 18mm | Cold Drawn
Product Overview
Our medium pressure boiler tube is a seamless carbon steel tube designed for service where working pressures range from 2.5 MPa to 9.8 MPa and operating temperatures are below 450°C . Manufactured by the cold drawing process, these tubes are widely used in medium industrial boilers, cogeneration systems, and small power station boilers.
Key Features:
Medium pressure rating – Working pressure 2.5-9.8 MPa
Moderate temperature – Operating temperature
Higher strength than low pressure – Suitable for more demanding service
Good weldability – Low carbon content
100% hydrostatic tested – Guaranteed integrity
Full traceability – EN 10204 Type 3.1 MTC with heat number
✅ Working pressure 2.5-9.8 MPa – Designed for medium pressure service
✅ Moderate temperature – Up to 450°C
✅ Higher strength – Thicker walls for higher pressure
✅ Multiple standards – ASTM A210, GB/T 3087, EN 10216-2
✅ Factory direct | Global shipping
Key Specifications
| Parameter | Details |
|---|---|
| OD Range | 6mm – 204mm (Standard Stock: 19mm – 89mm) |
| WT Range | 1mm – 18mm |
| Length | 4m – 12m (fixed or random) |
| Manufacturing | Cold Drawn (Seamless) |
| Standards | ASTM A210, GB/T 3087, EN 10216-2 |
| Grades | A210 A-1/C, 20#, P235GH, P265GH |
| Surface Finish | Black / Bare / Oiled |
| End Finish | Plain / Beveled |
Pressure Rating Classification
| Category | Working Pressure | Working Temperature | Typical Applications |
|---|---|---|---|
| Low Pressure | ≤2.5 MPa | Heating systems, small industrial boilers | |
| Medium Pressure | 2.5-9.8 MPa | Industrial boilers, cogeneration, small power stations | |
| High Pressure | ≥9.8 MPa | 450-650°C | Power station boilers, superheaters |
Grade Selection Guide
| Application | Recommended Grade | Standard | Pressure Range |
|---|---|---|---|
| Industrial boilers | 20# | GB/T 3087 | 2.5-4.0 MPa |
| Cogeneration systems | A210 A-1, P235GH | ASTM A210, EN 10216-2 | 4.0-6.4 MPa |
| Small power stations | A210 C, P265GH | ASTM A210, EN 10216-2 | 6.4-9.8 MPa |
| Medium superheaters | A210 C | ASTM A210 | 4.0-9.8 MPa |
💡 ASTM A210 is specifically designed for medium to high pressure boiler and superheater service , with Grade C offering higher strength for more demanding applications.
Manufacturing Process – Cold Drawing
text
Hot Rolled Tube → Pickling → Cold Drawing → Heat Treatment → Straightening → Cutting → NDT Testing → Hydrostatic Testing → Shipping
Typical Applications
| Application | Pressure Range | Service Type |
|---|---|---|
| Medium industrial boilers | 2.5-4.0 MPa | Steam generation |
| Cogeneration systems | 4.0-6.4 MPa | Combined heat and power |
| Small power station boilers | 6.4-9.8 MPa | Electricity generation |
| Medium temperature superheaters | 4.0-9.8 MPa | Steam superheating |
Why Choose Our Medium Pressure Boiler Tubes?
| Advantage | Description |
|---|---|
| Higher strength than low pressure | Suitable for more demanding service |
| Cost-effective | Lower cost than high pressure alloy grades |
| Good weldability | Low carbon content – easy field welding |
| 100% tested | Hydrostatic – guaranteed integrity |
| Full traceability | EN 10204 3.1 MTC with heat number |
Contact for Quote
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website: www.hzhmetals.com / www.wuxihengzhihui.com
Contact Person: Alice Yuan
Tags: Medium Pressure Boiler Tube ASTM A210 Industrial Boiler Tube GB/T 3087
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