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Monel 400 Seamless Pipe

Name: Monel 400 Seamless Pipe
SKU: N/A

Brand: TSM Technology
3 factories*8 production lines*100+ machines
Manufacturing Capacity: 100-200 tons/month
Grade: Monel 400 (UNS N04400)
Standard: ASTM B165, ASME SB165, EN 10095
Size: OD 6–219 mm, WT 0.5–15 mm (customized available)
Finish: Bright Annealed, Pickled, Polished
Material Certification: MTC and SGS, BV, TUV test reports available
Customized Size and Processing: Supported
Delivery: 20–45 days

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Product Description

Monel 400 Seamless Pipe: Precision Engineering for Demanding Environments

When performance in corrosive, high-pressure environments is critical, TSM Technology delivers precision-engineered Monel 400 Seamless Pipe for reliability. Manufactured under ASTM B165 standards, our Monel 400 (UNS N04400) seamless pipes offer exceptional resistance to seawater, acids, and extreme temperatures while maintaining structural integrity. Unlike welded alternatives, our ASTM B165 seamless tubes offer a homogeneous grain structure – no weld weak points, no preferential attack. From nuclear coolant loops to pharmaceutical clean steam lines, these pipes maintain their integrity under continuous operation at 480°C and short-term exposure to 800 °C. With a robust monthly production capacity of 100–200 tons, we support customized sizes (OD 6–219 mm, WT 0.5–15 mm) and a range of finishes, including bright annealed, pickled, and polished. Every pipe comes with full material certification (MTC) and optional third-party test reports from SGS, BV, or TUV. Delivery time is typically 20–45 days, ensuring efficient project execution.

Why seamless matters: Zero-weld seam means zero crevice corrosion risk – critical for CIP/SIP systems in pharma and subsea umbilicals.

Technical Excellence: Built to Last

Specification	Details
Corrosion Resistance	<0.025 mm/year erosion in seawater (ASTM G48 tested)
Temperature Range	480°C continuous operation / 800°C short-term exposure
Dimensional Precision	±0.05 mm tolerance achieved via 5-axis CNC machining
Pressure Rating	3000 psi hydrostatic tested (ASME III Nuclear Class 1 compliant)

Chemical Composition

Element	Nickel (Ni)	Copper (Cu)	Iron (Fe)	Manganese (Mn)	Silicon (Si)	Carbon (C)	Sulfur (S)
Composition (%)	63.0 min	28.0-34.0	2.5 max	2.0 max	0.5 max	0.3 max	0.024 max

Mechanical Properties

Property	Value
Tensile Strength (Annealed)	517 MPa (75 ksi) min
Yield Strength (Annealed)	172 MPa (25 ksi) min
Elongation (Annealed)	35% min
Hardness (Annealed)	65 HRB max

Manufacturing Process

TSM Technology adopts advanced production techniques to ensure consistent quality:

Vacuum melting & refining for uniform composition
Hot extrusion and piercing for seamless tube formation
Cold drawing and pilgering for precise dimensions
Bright annealing and surface finishing for enhanced quality

What is the Production Process of Monel 400 seamless pipe?

Production Process of Monel 400 seamless pipe

Quality Control

Every Monel 400 seamless pipe undergoes:

Dimensional check (±0.05 mm)
Ultrasonic testing (UT) for lamination
Eddy current (ET) for surface defects
Radiographic testing (RT) on request

Size inspection

Hydrostatic test

100% Eddy Current Testing (ET)

Monel 400 OES

The Advantages of Monel 400 Seamless Pipes

1. Offshore Energy Systems

Resist chloride-induced stress corrosion in subsea pipelines and wind farm transition pieces. Our CathoShield® series includes galvanic isolation flanges for cathodic protection compatibility.

2. Chemical Processing

Handle sulfuric acid concentrations up to 85% at 50°C without degradation. Pre-purged OrbiWeld Ready tubes simplify orbital welding in pharma skids.

3. Nuclear Coolant Systems

Low-cobalt variants (<150ppm) meet IAEA NS-G-2.14 requirements for reactor coolant piping Monel 400 Seamless Pipe. Full RCC-M Appendix ZG and 10CFR50 Appendix B compliance.

Applications of Monel 400 Seamless Pipe

Monel 400 seamless pipes are widely used in industries requiring high corrosion resistance and durability:

Marine Engineering – seawater piping systems, offshore platforms
Chemical Processing – acid handling, heat exchangers
Oil & Gas – pipelines and high-pressure systems
Power Generation – condenser tubes and boiler systems
Aerospace & Defense – critical structural components

Its resistance to seawater and chemical corrosion makes it a preferred material for long-term service in extreme environments.

Why Partner With TSM Technology?

Quaerimus socium cooperantem ad res nostras dilatandas.

Zero-Compromise Manufacturing

AS9100D-Certified Production: Triple NDT (UT/RT/ET) validation + salt spray testing per ASTM B117
AI-Driven Quality Control: 0.02mm defect detection sensitivity for 99.98% defect-free output
Rapid Prototyping: 72-hour turnaround for custom sizes like 3" SCH160 pipes

Global Compliance Made Simple

Full Documentation: EN10204 3.1/3.2 certs, MTRs, and SGS test reports
Dual-Quality Streams: Separate production lines for commercial/medical-grade pipes

Always-On Support

24/7 Emergency Stock: Replace critical seawater cooling pipes within 48 hours
Metallurgical Guidance: Expert welding parameters for sour gas environments

TSM Technology manufactures precision nickel and nickel alloy tubes in the following alloys:

Alloy	UNS	Tube & Pipe (Seamless) standard
Inconel 601	N06601	B163 / B167 / B829
Inconel 625	N06625	B444 AMS 5581
Inconel 718	N07718	AMS 5589 / 5590
Inconel 750	N07750	AMS 5582 / 5583
Incoloy 800	N08800	B163 / B407
Incoloy 800H	N08810	B163 / B407
Incoloy 800HT	N08811	B163 / B407
Incoloy 825	N08825	B163 / B423
Hastelloy C22	N06022	B622
Hastelloy C276	N10276	B622
Monel 400	N04400	B161 / B163
Monel K500	N05500	/