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UNS N06625 Inconel 625 Plate – Cold/Rolled Annealed for Superior Durability
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xProduct Details
| Products | Nickel Alloy Sheet & Plate | Grade | Inconel 625 |
|---|---|---|---|
| Thickness | 0.5 - 30.0mm | Standard Size | 1000*2000mm 1219*2438mm |
| Standard | ASTM EN | Service | Cutting |
| Loading Port | Shanghai Port | Surface | 2B NO.1 |
Product Description
UNS N06625 Inconel 625 Plate – Cold/Rolled Annealed for Superior Durability
Products Specification
| Products Name | Inconel 625 Nickel Alloy Sheet Plate |
| Thickness | Cold rolled: 0.5 - 3.0mm Hot rolled 4.0 - 30.0mm |
| Standard Size | 1000*2000mm 1219*2438mm 1219*3048mm 1500*6000mm |
| Surface | 2B NO.1 |
| MOQ | 50 kgs |
| Service | Cutting, Surface Finishing |
| Packing | Waterproof paper and wooden pallets |
| Loading Port | Shanghai Port |
| Price term | FOB CFR CIF EXW |
| Payment term | 30% TT in advance , 70% TT balance against copy of B/L |
| Main Grade | Hastelloy C22 C4 X C276 G35 |
| Monel 400 K500 | |
| Incoloy 800 800H 800HT 825 925 | |
| Inconel 600 601 617 625 716 718 | |
| Stainless Steel Grade | 201 202 301 304L 309S 310S 316L 316Ti 317L 321 347 409L 410 410S 420J1 420J2 430 431 436L 439 440A/B/C 441 443 444 2205 2507 904L 254SMO 253MA |
UNS N06625 Inconel 625 Plate – Cold/Rolled Annealed for Superior Durability
Product Overview
UNS N06625 Inconel 625 plate—available in both cold-rolled and hot-rolled annealed conditions—is a premium nickel-chromium-molybdenum-niobium alloy engineered for extreme environments where corrosion resistance, high-temperature strength, and long-term durability are critical. Widely specified across aerospace, marine, chemical processing, oil & gas, and power generation industries, this versatile flat product delivers unmatched performance from cryogenic temperatures up to 980°C (1800°F).
Manufactured to meet ASTM B443, ASME SB-443, and AMS 5599 standards, our UNS N06625 plates undergo full solution annealing after rolling to ensure optimal microstructure, mechanical properties, and corrosion resistance—making them ideal for mission-critical applications where failure is not an option.
Why Choose Cold/Rolled Annealed Inconel 625 Plate?
The annealing process following cold or hot rolling is essential to restore ductility, eliminate residual stresses, and homogenize the alloy’s microstructure. This results in:
- ✅ Enhanced toughness and elongation
- ✅ Uniform mechanical properties across the entire plate
- ✅ Superior resistance to stress corrosion cracking (SCC)
- ✅ Improved weldability without post-weld heat treatment
- ✅ Consistent surface quality and dimensional accuracy
Whether you need thin-gauge precision sheet for instrumentation or thick plate for pressure vessels, our annealed Inconel 625 ensures reliability under thermal cycling, aggressive chemicals, and mechanical load.
Key Performance Attributes
| Feature | Benefit |
|---|---|
| Solid-solution strengthened | No aging required; stable properties over time |
| High Mo + Nb content | Exceptional pitting/crevice corrosion resistance |
| Chromium-rich oxide layer | Outstanding oxidation resistance up to 980°C |
| Non-magnetic | Suitable for sensitive electronic & MRI environments |
| Excellent fabricability | Easily formed, machined, and welded using standard methods |
Chemical Composition (UNS N06625 – ASTM B443)
| Element | Content (%) |
|---|---|
| Nickel (Ni) | Balance (>58%) |
| Chromium (Cr) | 20.0–23.0 |
| Molybdenum (Mo) | 8.0–10.0 |
| Niobium + Tantalum (Nb+Ta) | 3.15–4.15 |
| Iron (Fe) | ≤5.0 |
| Carbon (C) | ≤0.10 |
| Manganese (Mn) | ≤0.50 |
| Silicon (Si) | ≤0.50 |
| Aluminum (Al) | ≤0.40 |
| Titanium (Ti) | ≤0.40 |
| Phosphorus (P) | ≤0.015 |
| Sulfur (S) | ≤0.015 |
This precise chemistry enables Inconel 625 to resist degradation in seawater, hydrochloric acid, sulfuric acid, wet chlorine, and mixed acid environments—outperforming stainless steels and many other nickel alloys.
Mechanical Properties (Annealed Condition)
| Property | Typical Value | ASTM B443 Minimum |
|---|---|---|
| Tensile Strength | 830 MPa (120 ksi) | ≥760 MPa |
| Yield Strength (0.2% offset) | 415 MPa (60 ksi) | ≥345 MPa |
| Elongation at Break | 40–50% | ≥30% |
| Hardness (HBW) | 180–210 | ≤220 |
| Density | 8.44 g/cm³ | — |
| Melting Range | 1290–1350°C (2350–2460°F) | — |
Note: Properties remain stable from -196°C (cryogenic) to 800°C, making Inconel 625 suitable for both extreme cold and heat.
Physical Properties
| Property | Value |
|---|---|
| Coefficient of Thermal Expansion (20–100°C) | 12.9 × 10⁻⁶ /°C |
| Thermal Conductivity (100°C) | ~9.8 W/m·K |
| Specific Heat Capacity | 410 J/kg·K |
| Electrical Resistivity | 1.29 µΩ·m |
| Modulus of Elasticity | 205 GPa |
These characteristics contribute to excellent thermal fatigue resistance, crucial for components exposed to repeated heating and cooling cycles—such as exhaust manifolds, furnace fixtures, and turbine shrouds.
Available Forms & Specifications
| Parameter | Details |
|---|---|
| Material Grade | UNS N06625 / Inconel 625 |
| Standards | ASTM B443, ASME SB-443, AMS 5599, EN 10088-3 |
| Condition | Cold-rolled annealed or hot-rolled annealed |
| Thickness Range | 0.5 mm to 150 mm |
| Width | Up to 2500 mm |
| Length | 1000–12,000 mm (custom cut-to-length available) |
| Surface Finish | 2B, BA (bright annealed), No.1 (hot-rolled), pickled, polished |
| Edge Type | Mill edge, slit edge, or deburred |
| Certification | EN 10204 3.1/3.2 Mill Test Reports (MTRs), PMI, UT optional |
All plates are fully traceable with heat numbers and comply with NACE MR0175/ISO 15156 for sour service in oil & gas.
Superior Durability in Real-World Applications
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