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Help CenterSuperheater Tube – Seamless Alloy Steel For High Temperature Steam Superheating Service OD 6mm – 204mm | WT 1mm – 18mm | Cold Drawn
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For High Temperature Steam Superheating Service
OD 6mm – 204mm | WT 1mm – 18mm | Cold Drawn
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Superheater Tube – Seamless Alloy Steel
For High Temperature Steam Superheating Service
OD 6mm – 204mm | WT 1mm – 18mm | Cold Drawn
Product Overview
Our superheater tube is a seamless alloy steel tube specifically designed for the hottest section of the boiler – where steam temperature is raised above its saturation point to improve thermal efficiency and reduce turbine exhaust moisture .
Manufactured by the cold drawing process from premium Cr-Mo alloy steel, these tubes offer superior high-temperature strength, oxidation resistance, and microstructural stability at temperatures up to 650°C .
Key Features:
High temperature capability – Up to 650°C (1,200°F)
Superior creep strength – Maintains dimensional stability under long-term stress
Excellent oxidation resistance – Chromium content forms protective oxide scale
Microstructural stability – Stable during prolonged high temperature service
100% NDT and hydrostatic tested – Guaranteed integrity
Full traceability – EN 10204 Type 3.1 MTC with heat number
✅ Up to 650°C – High temperature superheater service
✅ Cr-Mo alloy – Excellent creep and oxidation resistance
✅ Seamless construction – No weld seam – critical for superheater reliability
✅ Multiple grades – T11, T22, T91, TP304H, TP347H
✅ 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 A213, ASME SA213, EN 10216-2 |
| Grades | T11, T12, T22, T91, T92 |
| Surface Finish | Black / Bare |
| End Finish | Plain / Beveled |
| Heat Treatment | Normalized + Tempered (alloy grades) |
Grade Selection by Temperature
| Grade | Cr (%) | Mo (%) | Max Temp | Application |
|---|---|---|---|---|
| T11 | 1.25 | 0.5 | 1,050°F (565°C) | Low temperature superheater |
| T22 | 2.25 | 1.0 | 1,125°F (605°C) | High temperature superheater |
| T91 | 9.0 | 1.0 | 1,200°F (650°C) | High temperature superheater – most popular |
| T92 | 9.0 | 0.5 | 1,200°F (650°C) | Ultra-supercritical superheater |
Key Requirements for Superheater Tubes
Superheater tubes must possess :
Excellent high-temperature strength – Resist creep deformation under long-term high temperature stress
Good oxidation resistance – Chromium content protects against high-temperature oxidation
Microstructural stability – Stable structure during prolonged service
Creep-rupture strength – Maintain integrity over the design life
Manufacturing Process – Cold Drawing
text
Hot Rolled Tube → Pickling → Cold Drawing → Heat Treatment → Straightening → Cutting → NDT Testing → Hydrostatic Testing → Shipping
Why Choose Our Superheater Tubes?
| Advantage | Description |
|---|---|
| High temperature capability | Up to 650°C – suitable for supercritical boilers |
| T91 grade | Superior creep strength – 2× T22 at 1,100°F |
| Cr-Mo alloy | Excellent oxidation and corrosion resistance |
| Heat treated | Normalized + tempered – proper microstructure for high temperature |
| 100% tested | Eddy current + hydrostatic – critical for superheater reliability |
| Full traceability | EN 10204 3.1 MTC with heat number |
Contact for Quote
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website: /
Contact Person: Alice Yuan
Tags: Superheater Tube ASTM A213 T91 High Temperature Tube Power Plant Superheater
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