Incoloy 925 |UNS N09925| Seamless Tube
Our Incoloy 925 seamless pipes are designed to withstand high-pressure environments containing hydrogen sulfide (H2S), chlorides, and carbon dioxide. Through precise precipitation hardening and advanced cold-finishing processes, we deliver tubes with superior resistance to pitting and stress-corrosion cracking. Tengqi ensures every tube undergoes rigorous non-destructive testing, providing reliable solutions for downhole equipment, marine fasteners, and high-strength piping systems.
SeamlessIncoloy 925 Tube (Incoloy925 / UNS N09925 / W.Nr. —) is a precipitation-hardenable Ni-Fe-Cr alloy with high strength for sour oil and gas wells. Manufactured by Tengqi in Fujian, China, every heat is fully traceable, hydro-tested and available with third-party inspection (SGS / BV / TUV) on request.
Product Specifications
- ASTM B163 — Seamless Condenser & Heat Exchanger Tubes
- ASTM B167 / B407 / B423 — Seamless Tube
- ASTM B444 — Seamless Pipe & Tube
- ASTM B704 — Welded Tube
- ASTM B829 — General Requirements
- Finishing: solution annealed, age hardened; pickled & polished on request
Size Range
| Outside Diameter (OD) | Wall Thickness | Length |
|---|---|---|
| 6.35 mm – 257 mm (1/4"– 10.1") | 0.5 mm – 12.7 mm | ≤ 22 m |
Chemical Composition
Incoloy925 (UNS N09925) — Composition %
| UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Cu | Ti | Al | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N09925 | ≤ 0.03 | ≤ 1.00 | ≤ 0.030 | ≤ 0.030 | ≤ 0.50 | 19.5 – 22.5 | 42.0 – 46.0 | 2.5 – 3.5 | 1.5 – 3.0 | 1.9 – 2.4 | 0.10 – 0.50 | balance |
Mechanical Properties
| Property | Value |
|---|---|
| Delivery Condition | Solution annealed + age hardened (precipitation hardened) |
| Tensile Strength | ≥ 965 MPa |
| Yield Strength (0.2% offset) | ≥ 655 MPa |
| Elongation in 2 in. / 50 mm | ≥ 25% |
Physical Properties
| Property | Value |
|---|---|
| Density | 8.14 g/cm3 |
| Thermal Conductivity | 11.1 W/m·K |
| Specific Heat Capacity | 440 J/kg·K |
| Elastic Modulus | 196 GPa |
| Magnetic Properties | Practically non-magnetic |
Industry Applications
Related Products
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- Incoloy 800HT Seamless Tube
- Incoloy 825 Seamless Tube
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Browse the complete ranges: All Incoloy Alloy Tubes | Explore Incoloy Alloy Pipes | Seamless Stainless Steel Tubes Catalog
CONTACT US
Lidun Industrial Park, Lidun Town, Zhouning County, Ningde City, Fujian Province，355400，China
+86-577-88877003
+86-577-88877015
+86-577-88877019
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