Polished Nickel Pipe – Inconel 625 Nickel-Based Alloy Tube for Automobile Exhaust

Material Overview

This product is a polished nickel pipe made of Inconel 625, a nickel-based superalloy renowned for its exceptional strength, corrosion resistance, and high-temperature durability, making it ideal for automobile exhaust systems.

1. Composition

2. Mechanical Properties

3. Key Features

• Solid solution strengthened, with Mo and Nb imparting high strength—no precipitation hardening required.

• High fatigue, creep, and thermal fatigue strength over a wide temperature range, from cryogenic up to ~982 °C (1800 °F).

• Excellent resistance to oxidation, carburization, pitting, crevice corrosion, and nearly immune to chloride stress-corrosion cracking.

• Readily weldable and fabricable with standard processes; excellent machinability in annealed condition.

4. Applicable Standards

Common specifications and standards for Inconel 625 include:

• ASTM / ASME: B444/B705 (pipe/tube), B704 (welded tube), B443/B446 (plate/bar)

• International: EN 2.4856, ISO 6207, AMS 5599/5666/5837/5869, ASME SB443/446

In pipe manufacturing contexts (for polished or bright finishes):

• ASTM B167 / B444, ASME SB167 / SB444, ASTM B829, AMS 5581

5. Applications in Automobile Exhaust Systems

General Application Domains:

• Automotive & Aerospace: Exhaust ducts, turbocharger systems, engine components, thrust-reversers

• Marine / Chemical / Energy: Flare stacks, turbine ducting, chemical handling, nuclear components

Automobile Exhaust-Specific Uses:

• Exhaust headers/manifolds: Excellent at withstanding cyclic thermal loads and corrosive gas exposure.

• Turbocharger housings & downstream ducting: Benefit from oxidation resistance and high-temperature strength.

• Downstream exhaust piping: Polished Inconel 625 resists road corrosion (salt and chemical exposure) and maintains structural integrity under thermal cycling.

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.