Hastelloy C-22 Heat Exchanger Tubes

1. Standard: ASTM B622, ASTM B619, ASME SB-619/SB-622
2. Size: 15″NB – 150″NB
3. Thickness: SCH5~SCHXXS
4. End: Beveled End, Plain End

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Product Introduction

Hastelloy C22 UNS N06022 is a nickel-chromium-molybdenum alloy. Known for its excellent corrosion resistance and high temperature performance, it is particularly suitable for heat exchanger tubes used in harsh environments. Heat exchanger tubes are key components in heat exchangers used to transfer heat between two or more fluids, including shell and tube heat exchangers. Our company is a nickel alloy tube supplier with 15+ export experience, contact us for more information and free quotes!

Hastelloy C22 Heat Exchanger Tubes Applications:

Chemical Processing
Petrochemical Industry
Power Generation
Marine Engineering
Pharmaceuticals
Pollution Control

ASTM B622 Hastelloy C-22 Seamless Pipe Chemical Composition:

Nickel
Chromium (20.0-22.5%)
Molybdenum (12.5-14.5%)
Tungsten (2.5-3.5%)
Iron (2.0-6.0%)
Also trace elements such as cobalt, manganese, silicon, phosphorus and sulfur.

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2.4602 Alloy C22 Mechanical Properties

Property	Value
Tensile Strength	690 MPa (100 ksi) min
Yield Strength (0.2% offset)	310 MPa (45 ksi) min
Elongation	45% min
Hardness	90 HRB max

ASTM B619 Hastelloy C22 Welded Pipe Physical Properties

Property	Value
Density	8.69 g/cm³
Melting Range	1325-1370°C (2417-2498°F)
Thermal Conductivity	10.1 W/m·K at 20°C
Specific Heat Capacity	427 J/kg·K at 20°C
Electrical Resistivity	1.26 µΩ·m at 20°C

Reasons for Hastelloy C-22 for Heat Exchanger Tubes:

1. Excellent corrosion resistance

Resistant to pitting and crevice corrosion, stress corrosion cracking, oxidizing and reducing environments

2. Excellent high temperature performance

Nickel alloy C22 pipe has excellent corrosion resistance up to 1250°F (677°C), and can still maintain excellent corrosion resistance and mechanical strength at high temperatures.