Inconel 625 Coil
Inconel 625 (GH3625) sheet material is a nickel-chromium-based high-temperature alloy sheet that has been strengthened by molybdenum-nickel solid solution treatment. It is renowned for its extremely high strength, excellent fatigue resistance and corrosion resistance, and is particularly suitable for extreme environments with high stress and strong corrosion.
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Product Introduction

Inconel 625 Coil is supplied as a continuous thin strip, designed for high-volume stamping and forming of components that require exceptional strength and corrosion resistance in the most severe environments, including seawater, chemical process streams, and high-temperature oxidizers. This form enables the mass production of small, complex parts like fasteners, springs, chemical reactor internals, and marine hardware, where its unparalleled resistance to pitting, crevice corrosion, and chloride stress corrosion cracking is critical.

Product parameters


Item / Parameter

Specification for Inconel 625 Coil (UNS N06625)

Notes / Significance

Material Family

Nickel-Chromium-Molybdenum-Niobium Superalloy (Solid-Solution & Niobium Strengthened) Coil/Strip

The coiled form of the premier corrosion-resistant, high-strength alloy.

Common Forms & Tempers

Forms: Cold Rolled Coil (Strip), Annealed Pickled Coil.
Temper: Annealed (Soft) for maximum formability; Hard/Spring Temper for high-strength applications (fasteners, springs).

Temper selection is critical: Annealed for deep drawing; Hard for parts requiring high yield strength.

Chemical Composition (Typical wt.%)

Ni: ≥ 58.0 (Balance)
Cr: 20.0 - 23.0
Mo: 8.0 - 10.0
Nb (+Ta): 3.15 - 4.15
Fe: ≤ 5.0

Molybdenum (Mo) provides resistance to reducing acids and pitting. Niobium (Nb) imparts high as-fabricated strength and stability.

Mechanical Properties (By Temper, Room Temp)

Annealed (Soft):
• Tensile: 830 - 1030 MPa
• Yield: 415 - 690 MPa
• Elongation: 30 - 55%
Hard/Spring Temper (Typical):
• Tensile: 1100 - 1400 MPa
• Yield: 950 - 1200 MPa
• Elongation: 5 - 15%

Exceptionally high strength even in annealed temper. Hard temper provides outstanding spring properties and fastener strength.

Coil Physical Specifications (Typical)

Thickness: 0.05mm - 2.0mm (0.002" - 0.080")
Width: 10mm - 600mm (0.4" - 24")
Coil I.D.: 300mm, 405mm, 508mm (12", 16", 20")
Coil Weight: 50kg - 1500kg

Precision slitting and gauge control are essential for consistency in high-speed progressive die stamping.

Key Performance Attributes

• Exceptional Corrosion Resistance: Outstanding in seawater, chloride solutions, and a wide range of acids (sulfuric, phosphoric, nitric).
• Superior Resistance to Pitting, Crevice, and Stress Corrosion Cracking.• High Strength & Fatigue Resistance: Excellent mechanical properties maintained from cryogenic to ~1000°C.
• Good Formability (in Annealed temper): Can be stamped, drawn, and formed.

The universal solution for manufacturing corrosion-critical components that also require high strength.

Key Standards (Strip/Coil)

ASTM B443 / ASME SB-443 (Sheet, Strip, and Plate), AMS 5599 (Aerospace Strip), DIN 2.4856

ASTM B443 is the primary specification for strip/coil products.

Typical Coil Applications

• Marine & Offshore: Fasteners, lock washers, spring clips, cable braid for seawater systems.
• Chemical Processing: Gaskets, sieve trays, spacer grids, valve components for aggressive media.
• Aerospace: High-strength springs, sealing shims, exhaust system brackets.
• Pollution Control: Scrubber internals, filter components, clips for FGD systems.
• Oil & Gas: Downhole tool components, non-magnetic instrument housings.

Used to manufacture high-integrity parts for the most corrosive environments across industries.

Surface selection

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Packaging and transportation

Product storage
Product packaging
Product transportation
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FACTORY SHOW

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FAQ

Q:What about your price? 
A:Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products. 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

Q:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we
accept the third party inspection absolutely. 

Q:How about the delivery time? 
A:Within 3-15 days after we confirm you requirement. 

Q:What is your terms of payment ?
A:T/T, L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me. 

Q: Do you provide samples? 
A:Yes,we could offer the sample for you to test but please pay freight fee.

Q:How do we trust your company? 
A:We are a specialized company focusing on global steel trading and supply chain services. Our mission is to provide high-quality, multi-specification, and one-stop steel products and solutions to customers worldwide.

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