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ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes

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ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes

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Brand Name Yuhong
Model Number ASTM A213 T9
Certification ABS, BV, DNV, CCS, LR
Place of Origin China
Minimum Order Quantity 500KG
Price Negotiable
Payment Terms TT, LC
Supply Ability 4150 Ton Per Month
Delivery Time 20-80 days
Packaging Details Plywooden case with Iron Frame
Grade P1, P2, P5, P9, P11, P12, P22, P91, T1, T2, T5, T9, T11, T12, T22, T91
Temperature Range High Temperature
Material Alloy Steel
Surface Finish Polished, Pickled, Bright Annealed
Tube Type Heat Exchanger
Shape Round
Pressure Rating High
Product Furnace and Heat Exchanger Tubes
Ends PE, BE
Size And Length According to clients' need
Testing UT, ET, HT, PMI
Product Type Heat Exchanger Tube
Application Heat Exchanger, Boiler, Superheater, Condenser
Detailed Product Description

Product Introduction: ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes

1. Material & Chemical Composition

ASTM A213 T9 tubes are crafted from a chromium-molybdenum (Cr-Mo) alloy steel, engineered for exceptional heat resistance and structural stability in high-temperature heat exchange systems. Their chemical composition adheres strictly to ASTM standards:

 

ElementContent RangeFunction
Carbon (C)0.15-0.25%Enhances high-temperature strength
Chromium (Cr)8.00-10.00%Improves oxidation and corrosion resistance
Molybdenum (Mo)0.90-1.10%Boosts creep resistance at elevated temps
Manganese (Mn)≤0.60%Aids in grain refinement
Silicon (Si)≤0.50%Enhances oxidation resistance
Phosphorus (P)≤0.025%Minimized to prevent brittleness
Sulfur (S)≤0.025%Controlled to reduce corrosion risk

 

2. Mechanical Properties

Designed for extreme thermal stress, these tubes deliver superior mechanical performance in high-heat environments:

 

PropertyValueAdvantage in Applications
Tensile Strength≥515 MPaResists rupture under pressure
Yield Strength≥205 MPaMaintains integrity under load
Elongation (in 50mm)≥30%Accommodates thermal expansion
Maximum Operating Temp650°C (1202°F)Ideal for high-temperature heat exchangers

3. Equivalent Materials & Standards

For global project compatibility, ASTM A213 T9 aligns with these international equivalents:

 

StandardMaterial GradeRegion
ASTM A213 T9Cr-Mo Alloy SeamlessUSA
DIN 1717510CrMo9-10Europe
JIS G3462STBA 26Japan
GB 531012Cr1MoVGChina

4. Processing Technology

Our ASTM A213 T9 tubes undergo precision manufacturing to ensure reliability:

 

  1. Seamless Production: Hot-rolled from alloy billets, ensuring uniform wall thickness and no weak seams.
  2. Solution Annealing: Heat-treated at 900-980°C to optimize grain structure and enhance creep resistance.
  3. Cold Finishing: Optional cold drawing for tight dimensional tolerances (±0.3% on diameter).
  4. Quality Validation: 100% ultrasonic testing, eddy current inspection, and hydrostatic pressure testing (at 30% above design pressure).

5. Application Scenarios

Perfect for high-temperature heat exchange systems in:

 

  • Petrochemical Industry: Refinery heat exchangers, reformers, and hydrocrackers.
  • Power Generation: Boiler superheaters, reheaters, and turbine cooling systems.
  • Chemical Processing: High-temperature reactors and process heat exchangers.

6. Product Advantages

  • Extreme Temp Resistance: Maintains strength at up to 650°C, outperforming standard carbon steel tubes.
  • Creep Resistance: Cr-Mo alloy minimizes deformation under long-term high-temperature stress.
  • Corrosion Resistance: Chromium content resists oxidation and chemical attack in harsh environments.
  • Seamless Reliability: Eliminates leak risks, critical for high-pressure heat exchange applications.

7. FAQ

Q1: Can these tubes be customized for specific lengths or wall thicknesses?
A: Yes, we offer diameters from 12mm to 168mm, wall thicknesses from 1.5mm to 12mm, and cut-to-length options (1-12m) with precision end finishes.

 

Q2: What certifications are provided with each order?
A: All tubes include ASTM A213 certification, mill test reports (MTR), and optional ASME BPVC Section I/II stamps for pressure vessel applications.

 

Q3: How do these compare to carbon steel tubes in high-heat applications?
A: ASTM A213 T9 offers 30% higher creep resistance and 50% better oxidation resistance than carbon steel, extending service life in temperatures above 450°C.

8. About Yuhong Holding Group Co., Ltd

With 20 years of export expertise to 80+ countries, Yuhong is ranked among China’s top 5 finned tube exporters. Beyond finned tubes, we specialize in high-performance boiler tubes, heat exchanger tubes, and custom alloy solutions. Our 55 production lines, 110+ skilled workers, and 20,000㎡ facility—equipped with advanced heat treatment and testing equipment—ensure compliance with global standards (ASTM, ASME, DIN).

 

We deliver on-time, with 24/7 technical support and tailored solutions.

 

Contact Us

 

 

 

 

 
Product Tags: ASTM A213 T9 heat exchanger tubes   chromium-molybdenum alloy seamless tubes   alloy steel heat exchanger tubes with warranty  
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