ASTM A213 T2 Seamless Condenser & Boiler Tubes
Engineered for reliability in medium-to-high temperature thermal processing, our ASTM A213 Grade T2 Seamless Tubes deliver superior resistance to graphitization, thermal fatigue, and creep deformation. Designed specifically for high-duty surface condensers, power generation boilers, and shell-and-tube heat exchangers, these low-alloy chrome-molybdenum tubes provide a cost-effective, long-service life solution where standard carbon steel falls short.
Product Overview & Performance Advantage
ASTM A213 / ASME SA213 Grade T2 is a low-alloy ferritic steel containing balanced additions of Chromium (≈0.50%−0.81%) and Molybdenum (≈0.44%−0.65%). The integration of these elements ensures enhanced structural stability at continuous operating temperatures ranging from 480∘C to 540∘C (900∘F to 1000∘F).
Why Choose ASTM A213 T2 for Condensers?
- Graphitization Prevention: The addition of chromium stabilizes carbides, preventing microstructural breakdown under prolonged heat exposure.
- Elevated Creep Strength: Molybdenum improves mechanical load-bearing capacity under continuous thermal stress.
- Optimal Thermal Conductivity: Outperforms higher-alloy stainless steels in heat transfer efficiency, reducing condensation cycle energy losses.
- Superior Weldability & Workability: Ideal for rolling, expanding, and welding directly into condenser tubesheets.
Dimensional Specifications & Size Range
All seamless T2 tubes are manufactured via cold drawing or hot finishing to maintain tight dimensional tolerances and uniform wall thickness.
| Parameter |
Standard Range / Specification |
| Outer Diameter (OD) |
1/8 in to 5 in (3.2 mm to 127 mm) |
| Wall Thickness (WT) |
0.015 in to 0.500 in (0.4 mm to 12.7 mm) / Schedule 10 to XXS |
| Wall Type |
Minimum Wall Thickness or Average Wall Thickness (per order requirement) |
| Lengths |
Single Random, Double Random, Cut-to-Length (Up to 16 meters) |
| Tube Ends |
Plain End, Beveled End, Expanded End |
Chemical Composition (%)
| Element |
Carbon (C) |
Manganese (Mn) |
Phosphorus (P) |
Sulfur (S) |
Silicon (Si) |
Chromium (Cr) |
Molybdenum (Mo) |
| Content Range |
0.10−0.20 |
0.30−0.61 |
≤0.025 |
≤0.025 |
0.10−0.30 |
0.50−0.81 |
0.44−0.65 |
Mechanical Properties
| Property |
Value / Requirement |
| Tensile Strength, min |
60 ksi (415 MPa) |
| Yield Strength, min |
30 ksi (205 MPa) |
| Elongation in 2 in. (50 mm), min |
30% |
| Hardness (Brinell / Rockwell B), max |
163 HBW / 85 HRB |
| Heat Treatment |
Full/Isothermal Anneal or Normalizing & Tempering (650∘C−730∘C) |
Quality Control & Quality Assurance Testing
Every length of our ASTM A213 T2 seamless tubing undergoes rigorous non-destructive and mechanical testing in compliance with ASTM A1016 standards.
- Hydrostatic & NDT Testing: 100% Eddy Current Testing (ECT) or Ultrasonic Testing (UT) combined with hydrostatic pressure testing to verify pressure integrity.
- Mechanical Verification: Flaring, Flanging, Flattening, Hardness, and Tensile testing performed per heat batch.
- Microstructural & Grain Size Inspection: Grain size analysis per ASTM E112 to verify uniform thermal treatment.
- Certification: Material Test Report (MTR) provided in full compliance with EN 10204 3.1 / 3.2
