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X52 Cladding Inconel 625 Weld Overlay Carbon Steel Seamless Pipe API 5L

China X52 Cladding Inconel 625 Weld Overlay Carbon Steel Seamless Pipe API 5L

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X52 Cladding Inconel 625 Weld Overlay Carbon Steel Seamless Pipe API 5L

MOQ： 100KGS
Price：
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Payment Terms	L/C, T/T
Delivery Time	7DAYS
Packaging Details	PALLET,PLYWOOD CASE
NAME	CARBON STEEL SEAMLESS PIPE
STANDARD	API 5L PSL1
MATERIAL	GR.B,X65,X52...
OVERLAY	INCONEL 625,N06625
SIZE	As Buyer's Requirements
Production Process:	Cutting, Rough Machining, Finish Machining
Brand Name	YUHONG
Model Number	API 5L X65 Carbon Steel Seamless Pipe
Certification	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin	CHINA

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Product Specification


Payment Terms	L/C, T/T	Delivery Time	7DAYS
Packaging Details	PALLET,PLYWOOD CASE	NAME	CARBON STEEL SEAMLESS PIPE
STANDARD	API 5L PSL1	MATERIAL	GR.B,X65,X52...
OVERLAY	INCONEL 625,N06625	SIZE	As Buyer's Requirements
Production Process:	Cutting, Rough Machining, Finish Machining	Brand Name	YUHONG
Model Number	API 5L X65 Carbon Steel Seamless Pipe	Certification	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin	CHINA
High Light	Inconel 625 Weld Overlay Pipe ，Carbon Steel Seamless Pipe X52 ，Seamless Pipe API 5L X52

Carbon Steel Seamless Pipe API 5L X65 Cladding Inconel 625 Weld Overlay

A carbon steel seamless pipe with API 5L X65 base material and Inconel 625 weld overlay cladding is a high-performance engineered pipe designed for extreme environments, combining the strength of carbon steel with the corrosion/erosion resistance of a nickel-chromium alloy.

Key Specifications & Features

1. Base Material: API 5L X65 Seamless Pipe

- Grade: API 5L X65 (PSL1 or PSL2)

- Yield Strength:65,000 psi (448 MPa) min

- Manufacturing: Hot-rolled or cold-drawn seamless process (no welds, superior pressure integrity).

- Applications: Oil & gas pipelines, downhole tubing, high-pressure hydraulic systems.

2. Cladding: Inconel 625 Weld Overlay

- Alloy Composition (UNS N06625):

- Ni (58% min), Cr (20–23%), Mo (8–10%), Nb+Ta (3.15–4.15%)

- Resistant to pitting, chloride stress corrosion cracking (SCC), and oxidation up to **1800°F (982°C).

Cladding Methods:

- Laser Cladding (Precision, Low Dilution)

- Submerged Arc Welding (SAW) or GTAW (TIG) Overlay

- Thermal Spray (Less Common for Pipes)

- Thickness: Typically 3–5 mm (customizable based on corrosion/erosion needs).

Why Use Inconel 625 Over API 5L X65?

Corrosion Resistance: Protects against H₂S, CO₂, seawater, and acidic fluids.

Erosion Resistance: Ideal for sand-laden fluids (e.g., fracking, slurry transport).

High-Temp Performance: Maintains strength in refinery/petrochemical heat exchangers.

Cost-Effective: Cheaper than solid Inconel 625 pipe but offers similar protection.

Manufacturing Process

1. Pipe Production: Seamless API 5L X65 pipe is manufactured via mandrel piercing/extrusion.

2. Surface Prep: Internal/external surface grit blasting/cleaning.

3. Cladding:*Inconel 625 is welded layer-by-layer (buttering passes) to ensure metallurgical bonding.

4. Post-Weld Heat Treatment (PWHT): Optional stress relief (avoid if base metal is cold-worked).

5. Inspection:

- UT/RT for weld integrity.

- Hardness Testing (avoid HAZ cracking).

- Dye Penetrant (PT) for surface defects.

Applications

- Oil & Gas

- Subsea pipelines (clad internally for sour service).

- Christmas trees, choke valves, risers.

- Chemical Processing: Acid transport, reactor liners.

- Power Plants: Boiler tubes, flue gas desulfurization (FGD) systems.

- Mining:Slurry pipelines with abrasive/acidic media.

Challenges & Solutions

- Galvanic Corrosion Risk:*Insulate clad pipe from dissimilar metals (e.g., CS flanges).

- Weld Defects: Strict NDT (radiographic testing) to ensure clad adhesion.

- Thermal Expansion: Inconel 625 (~13.3 µm/m°C) vs. CS (~11.7 µm/m°C)—design for differential expansion.

Company Details

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Business Type:

Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other 
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Year Established:

2007 
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Total Annual:

50M-70M
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Employee Number:

50~850 
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Ecer Certification：

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YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...

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Yuhong Group Co.,Ltd
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https://www.steelseamlesspipe.com/

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