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Jun 03, 2026

A Brief Overview On Inconel 625 Plate

In the demanding fields of petrochemical, marine, and aerospace engineering, the cost of material failure is catastrophic. Inconel 625 is more than just a metal; it's an engineering guarantee.

 

As a Tier 1 supplier, Gnee Alloy refines its sheet metal using Vacuum Induction Melting (VIM) + Vacuum Arc Remelting (VAR) processes to ensure zero defects in the matrix. Unlike common stainless steels prone to pitting corrosion, our UNS N06625 provides absolute structural integrity even when handled in environments with concentrated hydrochloric acid, concentrated sulfuric acid, and concentrated phosphoric acid.

Click to get an Inconel 625 product quote

 
A Brief Overview On Inconel 625 Plate
 

Gnee Alloy

 

A Brief Overview On Inconel 625 Plate

Inconel 625 sheet metal is a versatile nickel-chromium-molybdenum superalloy, highly regarded for its exceptional tensile strength, excellent machinability, and superior corrosion and high-temperature resistance. It operates reliably in a wide range of environments, from low temperatures to 982°C (1800°F).

A Brief Overview On Inconel 625 Plate

Gnee Alloy

 

What are the disadvantages of Inconel 625?

Disadvantages: High costs: Inconel 625 is considerably more expensive than many other materials due to its complex composition and the costs associated with its production. Machining difficulty: The toughness of Inconel 625 makes it more difficult to machine, requiring specialized tools and processes.

Inconel 625

1. Specification of Inconel 625 Plate

Inconel 625 Sheet Sizes

Thickness: 0.5 to 50mm

Width: 0.5 to 2 meter

Length: 0.7 to 6 meter

WNR 2.4856 Plate Sizes

Thickness: 2.5 to 100mm

Width: 0.5 to 2 meter

Length: 1.0 to 6 meter

AMS 5599 Coil Sizes

Thickness: 0.5 to 5mm

Width: 0.5 to 2 meter

Inconel 625LCF Strip Sizes

Thickness: 0.15 to 3mm

Width: Up to 300 mm

Inconel 625 Plate Edges

Rolled

Mill

Cut

Square

UNS N06625 Plate Physical Properties

Density: 8.44 g/cm³

Melting Point: 1290–1350°C

Temperature Range: -200°C to 1093°C

Trade Names: Alloy 625, Nickel 625, Nickelvac 625, Haynes 625

Global Standards

ASTM: B443, B168, SB 443

UNS: N06625 | WNR: 2.4856

Other: VdTÜV 499/531, BS 3072/NA21

 

2. Inconel 625 sheet physical properties

Property Value Industrial Significance
Density 8.44 g/cm³ High-density thermal stability.
Melting Range 1290°C - 1350°C Elite fire-zone safety and structural integrity.
PREN Value 45 - 52 (Elite) Mathematical proof of superior pitting defense.
Modulus of Elasticity 205 GPa Elite stiffness under high-pressure loads.

 

3. Mechanical properties of Inconel 625 sheet (solution annealed)

Property Value (at 20°C) Value (at 650°C)
Tensile Strength (σb) ≥ 827 MPa ≥ 600 MPa
Yield Strength (σp0.2) ≥ 415 MPa ≥ 300 MPa
Elongation (δ5 %) ≥ 30% ≥ 35%

 

4. Inconel 625 plate chemical composition (UNS N06625 / 2.4856)

Ni Cr Mo Nb + Ta Fe C
58.0% Min 20.0-23.0% 8.0-10.0% 3.15-4.15% ≤ 5.0% ≤ 0.10%

Click to download the Inconel 625 alloy PDF file now

 

5. Inconel 625 Plate industrial applications

We serve as a Reliable Supplier for global Tier-1 OEMs in:

Marine Engineering: Subsea manifolds, splash-zone fasteners, and riser systems.

Petrochemical: Reactor vessels for phosphoric acid and flue gas desulfurization (FGD).

Aerospace: Engine exhaust systems and fuel line bellows.

Nuclear Power: Core structural members and steam generator tubing.

Shipbuilding Engineering
Shipbuilding Engineering
Petrochemical Plants
Petrochemical Plants
Aerospace Engine Systems
Aerospace Engine Systems
Nuclear Power Reactor Core Structures
Nuclear Power Reactor Core Structures

 

6. Available thicknesses for Inconel alloy 625 Plate

3/16" 1/4" 3/8" 1/2" 5/8" 3/4" 1"
4.8mm 6.3mm 9.5mm 12.7mm 15.9mm 19mm 25.4mm
1 1/4" 1 1/2" 1 3/4" 2" 2 1/2" 3"  
31.8mm 38.1mm 44.5mm 50.8mm 63.5mm 76.2mm  

Contact us to customize Inconel 625 products to fit your project dimensions

 

Why Partner with Gnee Alloy? 

✅️Direct Factory Price: Eliminate middleman markups and secure the best rates for Wholesale Supply.

✅️MTC 3.1 Traceability: Full heat-analysis and mechanical property verification documented with every batch.

✅️Global Fast Shipping: Optimized logistics to Europe, USA, and Southeast Asia within 5-7 business days for stock items.

✅️Custom Fabrication: We offer precision laser and waterjet Cut-to-Size blanks ready for your assembly line.

Gnee Alloy Inconel 625 certificate

Gnee Alloy Inconel 625 certificate

 

Gnee Alloy Product Packaging

All stainless steel products are:

✅️Packed in wooden pallets or crates

✅️Covered with moisture-proof wrapping

✅️Labeled with heat number, standard, and size

✅️Shipped worldwide via sea, air, or express

Gnee Alloy Product Packaging

Gnee Alloy 625 Alloy Packaging

 

Gnee Alloy Production Equipment and Product Testing

Gnee Alloy Product Testing
Gnee Alloy inconel 625 Testing
Gnee Alloy Production Equipment
Gnee Alloy 625 Alloy Production Equipment

Contact us now to get the latest export price for Inconel 625 in 2026

 

 

FAQ

Q: Can Inconel 625 be welded without post-weld heat treatment?
A: Yes. Alloy 625 is a solid-solution strengthened alloy. It maintains excellent ductility and corrosion resistance in the as-welded condition, making it the premier choice for field repairs.

 

Q: What is the maximum operating temperature for Alloy 625 plates?
A: For oxidation resistance, it is stable up to 980°C (1800°F). For load-bearing structural integrity, it is typically used up to 650°C before creep strength becomes a limiting factor.

 

Q: Do you offer bulk discounts for petrochemical maintenance contracts?
A: Absolutely. We provide tiered Wholesale Pricing for long-term contract partners and large-scale MRO (Maintenance, Repair, and Overhaul) projects.

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