Seamless Incoloy 59 tube
Seamless Incoloy 59 tube is a high - performance tube made of nickel - based superalloy by seamless process. It is mainly composed of nickel (Ni), chromium (Cr), molybdenum (Mo) and other elements. The low carbon (C) and silicon (Si) content ensures excellent corrosion resistance and high - temperature stability. The seamless design makes it more structurally sound and reliable in high - pressure and harsh environments.
Seamless Incoloy 59 tube is widely used in chemical industry (acid medium pipelines), petrochemical industry (reactor heat exchange), energy (FGD systems, nuclear power cooling), marine engineering (seawater desalination) and semiconductor (high - purity gas conveying). Its corrosion resistance, high - temperature resistance and seamless characteristics make it a key material in extreme working conditions. It ensures the long - life and safe operation of equipment.
Features of Seamless Incoloy 59 tube
Excellent corrosion resistance:
Seamless Incoloy 59 tube has strong resistance to chloride stress corrosion cracking (Cl - SCC), strong acid media like sulfuric acid and hydrochloric acid, and oxidizing environments. It is suitable for corrosive environments in chemical and marine industries.
Excellent high - temperature performance:
Seamless Incoloy 59 tube can keep its mechanical strength and oxidation resistance at high temperatures (up to over 1000°C). It is good for heat exchangers and furnace tubes.
Advantages of seamless process:
Seamless Incoloy 59 tube has no weld defects. Its smooth inner wall means low fluid resistance. It is good for conveying high - purity media or high - pressure systems.
Good processability:
Seamless Incoloy 59 tube can be further shaped by cold or hot working. It is also compatible with secondary processes like welding and bending.

Applications of Seamless Incoloy 59 tube
In chemical and petrochemical industries: Seamless Incoloy 59 tube is used for acid - medium pipelines and reactor heat - exchanger tubes. It performs well in environments with sulfur and chloride ions.
In energy and environmental protection fields: Seamless Incoloy 59 tube is used in flue - gas desulfurization (FGD) systems and nuclear - power - plant cooling pipelines. It can endure high - temperature corrosive exhaust gases.
In marine engineering: Seamless Incoloy 59 tube is used in seawater desalination plants and under - sea pipelines. It can resist salt - spray and seawater corrosion.
In high - end manufacturing industries: Seamless Incoloy 59 tube is often used in semiconductor equipment as high - purity - gas - conveying tubes to avoid contamination risks.

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Parameter |
Details |
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Material Standard |
ASTM B163 / B165, ASME SB163 / SB165, UNS N06059, EN 2.4605 |
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Dimensions |
- OD (mm): 3 – 200 (customizable) |
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- Wall Thickness (mm): 0.5 – 20 |
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- Length (m): Standard 5.8 / 6 (custom cuts available) |
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Chemical Composition (wt%) |
Ni (≥59%), Cr (22-24%), Mo (15-16.5%), Fe (≤1.5%), C (≤0.01%), Si (≤0.1%), Mn (≤0.5%), Cu (≤0.5%) |
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Mechanical Properties |
- Tensile Strength: ≥690 MPa |
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- Yield Strength (0.2% offset): ≥310 MPa |
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- Elongation: ≥40% |
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- Hardness (Annealed): ≤90 HRB |
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Temperature Range |
Operating: -200°C to +1000°C (short-term higher tolerance) |
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Surface Finish |
Pickled, Bright Annealed (BA), Polished (inner/outer surfaces upon request) |
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Certifications & Testing |
- ASME B31.3 (Process Piping) |
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- ASTM G48 (Pitting/Crevice Corrosion Resistance) |
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- NACE MR0175 (Sulfide Stress Cracking Resistant) |
FAQ
Are you a factory or manufacturer?
A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.
Why is your product so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.
Do you do spot quality inspection or full inspection?
A: 100% full inspection for sure. All unqualified products are discarded.
How do you ensure your lead time?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Seamless Incoloy 59 tube ?
A: Depends on quantity, generally, no MOQ limit.
How to pay for it?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time?
A: around 7-20 days which depends on the quantity and production.
What is kind of the package?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo
What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.
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