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ZYTC Alloy Delivers Alloy 625 Gr.2 Plate to Korea – Excellence in Alloy 625 Manufacturing Since 2007
Company News

ZYTC Alloy Delivers Alloy 625 Gr.2 Plate to Korea – Excellence in Alloy 625 Manufacturing Since 2007

2026-08-12

ZYTC Alloy is proud to announce the successful completion and delivery of a significant export order of Alloy 625 Gr.2 Plate to South Korea. Manufactured in strict accordance with ASTM B443-25, the order consisted of multiple specifications of Alloy 625 plate in the solution annealed condition. During production, one 6.35mm thickness plate initially exceeded the contract upper tolerance by 0.6mm. In full compliance with our commitment to quality, and with customer approval under the allowable delivery schedule, the surface was re-polished to meet the required dimensions before final shipment. This order exemplifies ZYTC Alloy’s rigorous adherence to standardized, process-driven, and specialized production and inspection protocols. Every Alloy 625 product leaving our facility undergoes comprehensive testing and is certified合格 before delivery.


What is Alloy 625?

Alloy 625 (also known as Inconel 625, UNS N06625, and W.Nr. 2.4856) is a nickel-chromium-molybdenum alloy with an addition of niobium (columbium). The combination of molybdenum and niobium stiffens the alloy's nickel-chromium matrix, providing high strength without the need for precipitation-hardening heat treatments. Alloy 625 exhibits excellent fabricability, outstanding weldability, and superior corrosion resistance across a wide range of aggressive environments. Service temperatures range from cryogenic levels up to 1800°F (982°C). Alloy 625 resists pitting, crevice corrosion, chloride stress corrosion cracking, oxidation, and carburization.


Chemical Composition of Alloy 625 (UNS N06625)

The performance of Alloy 625 is anchored in its strictly controlled solid-solution chemistry. The chemical composition limits for Alloy 625 per ASTM B443 are as follows:

Element Symbol Min % Max %
Nickel Ni 58.00 (Balance) -
Chromium Cr 20.00 23.00
Molybdenum Mo 8.00 10.00
Niobium + Tantalum Nb+Ta 3.15 4.15
Iron Fe - 5.00
Cobalt Co - 1.00
Manganese Mn - 0.50
Silicon Si - 0.50
Aluminum Al - 0.40
Titanium Ti - 0.40
Carbon C - 0.10
Phosphorus P - 0.015
Sulfur S - 0.015

Mechanical Properties of Alloy 625 (Annealed / Solution Treated)

Alloy 625 in the annealed condition delivers exceptional strength and toughness. The minimum mechanical properties for Alloy 625 plate, sheet, and strip per ASTM B443 are summarized below:

Product Form Condition Tensile Strength (min) Yield Strength 0.2% Offset (min) Elongation in 2" or 4D (min)
Cold-Rolled Sheet & Strip Annealed 120 ksi (827 MPa) 60 ksi (414 MPa) 30%
Hot-Rolled Sheet & Plate (up to 2.75" / 70mm) Annealed 110 ksi (758 MPa) 55 ksi (379 MPa) 30%
Cold-Rolled Plate (up to 0.375" / 9.5mm) Annealed 110 ksi (758 MPa) 55 ksi (379 MPa) 30%

Physical Properties of Alloy 625

Property Value
Density 8.44 g/cm³ (0.305 lb/in³)
Melting Range 1290 – 1350°C (2350 – 2460°F)
Modulus of Elasticity 207 GPa
Electrical Resistivity 10.3 µohm·cm
Thermal Conductivity 14.8 W·m⁻¹·K⁻¹
Thermal Expansion 12.4 µm/m/°C

Applications of Alloy 625

Alloy 625 is used across a wide spectrum of industries where both high strength and outstanding corrosion resistance are critical. Key application areas include:

  • Aerospace – Jet engine exhaust systems, thrust reverser assemblies, fuel nozzles, turbine shroud rings, aircraft ducting systems, propeller blades, and combustion system components

  • Medical Devices – Surgical instruments and implantable device components

  • Marine & Offshore – Seawater equipment, offshore platforms, submarine propulsion motors, subsea cable connectors, steam-line bellows, and marine risers

  • Chemical Processing – Reactors, piping, heat exchangers, pollution control equipment, and chemical plant hardware handling oxidizing and reducing acids

  • Power Generation – Land-based turbine components, heat exchangers, and high-temperature systems

  • Nuclear – Reactor-core and control-rod components in nuclear water reactors


ZYTC Alloy – Your Complete Alloy 625 Source

At ZYTC Alloy, Alloy 625 is one of our most mature and extensively produced materials. We export Alloy 625 products to multiple countries worldwide. Our comprehensive Alloy 625 product portfolio includes:

We manufacture Alloy 625 products in strict compliance with all major international standards, including:

  • ASTM B443 – Plate, Sheet, and Strip

  • ASME SB 443 – Plate, Sheet, and Strip

  • AMS 5599 – Sheet, Strip, and Plate

  • AMS 5666 – Bars, Forgings, and Extrusions

  • ASTM B446 – Bar and Rod

  • ASTM B564 – Forgings

  • ASTM B444 – Seamless Pipe and Tube

  • ASTM B705 – Welded Pipe

  • DIN 17750 / DIN 17752 / EN 2.4856


Quality Assurance at ZYTC Alloy

ZYTC Alloy严格执行 standardized, process-driven, and specialized production and inspection protocols. Our commitment to quality is embedded in every stage of Alloy 625 manufacturing – from raw material selection and melting to hot working, solution annealing, finishing, and non-destructive testing. Every Alloy 625 product is subjected to rigorous dimensional inspection, mechanical testing, and chemical verification before shipment. We welcome custom orders with Alloy 625 drawings and specifications. ZYTC Alloy offers fast delivery, competitive pricing, and uncompromising quality for all Alloy 625 requirements.


Why Choose ZYTC Alloy for Alloy 625?

  • Deep Expertise  Alloy 625 is one of our most mature and extensively produced materials

  • Full Product Range – Plate, sheet, strip, bar, wire, pipe, tube, and forgings in Alloy 625

  • Standard Compliance – Full certification to ASTM B443, AMS 5599, ASTM B446, ASTM B564, and more

  • Custom Capabilities  Alloy 625 products manufactured to customer drawings and specifications

  • Global Reach  Alloy 625 exported to multiple countries worldwide

  • Quality First – Standardized, process-driven production with 100% inspection

  • Fast Delivery – Quick turnaround on Alloy 625 orders

  • Competitive Pricing – Cost-effective Alloy 625 solutions without compromising quality


Contact ZYTC Alloy today for all your Alloy 625 requirements. Whether you need Alloy 625 plate for turbine manufacturing, Alloy 625 sheet for medical devices, or custom Alloy 625 forgings for critical applications, ZYTC Alloy delivers precision, quality, and reliability. Alloy 625 – the material you can trust, from the partner you can rely on.

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