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.
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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).

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.

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% |
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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.




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 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 625 Alloy Packaging
Gnee Alloy Production Equipment and Product Testing


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.

