Inconel 625 Seamless Tubing – High-Temperature & Corrosion-Resistant Nickel Alloy Tube
Products Specification
| Model | Nickel Tubes Pipes |
| Material Grade | Inconel 600, Inconel 601, Inconel 625, Inconel 690, Inconel 718, Inconel 725, etc Incoloy 800, Incoloy 825, Incoloy 925, Incoloy 800H, Incoloy 800, Incoloy926(AL-6XN), etc
Hastelloy C276, Hastelloy C22, Hastelloy C2000, Hastelloy X, etc |
| Diameter | a) Capillary Tube Outer Diameter: 0.2mm-6.mm Welding Tube Outer Diameter: 6.mm- 840mm Seamless Tube Outer Diameter: 6mm-630mm |
b) Capillary Tube Wall Thickness: 0.02mm-2mm Welding Tube Wall Thickness: 0.5-150mm Seamless Tube Wall Thickness: 0.5-60mm |
| c) Length: ≤500mm Or in coil |
| Tolerance | a) Outer Diameter: +/- 0.01mm |
| b) Thickness: +/- 0.01mm |
| c) Length: +/- 0.1mm |
| Surface Treatment | Polishing,Annealing, Bright, Pickling |
| Type | Welded,Seamless |
| Shape | Round,Square,Irregular |
| Application | medical treatment, petroleum, aerospace, medical equipment, air conditioning, chemical industry, electronics, accessories, food machinery, power generation, pharmaceutical and other fields. |
ASME SB444 N06625 Seamless Tube is able to withstand highly acidic conditions. In addition, Inconel 625 Pipe also has high tensile strength, good creep resistance, good weldability, etc.
According to ASTM B444 specification, it is divided into two grades, namely Grade 1 and Grade 2, according to its supply method. ASTM B444 Grade 1 seamless nickel tube shall be supplied in the annealed condition and is normally used at service temperatures up to 1100°F (593°C). ASTM B444 Grade 2 nickel alloy seamless tube is solution annealed and is normally used at service temperatures above 1100°F (593°C) when creep and rupture resistance is required.
SB 444 N06625 TESTING AND INSPECTION:
- Hydrostatic Testing: Every ASTM B444 Inconel 625 Pipe (seamless and cold worked) with an outside diameter of 3 mm and above and a wall thickness of 0.38 mm and above shall be tested in accordance with ASTM B829.
- Dimensional and visual inspection: outside diameter, wall thickness, inside diameter, length, straightness, flat ends, finish, and surface appearance.
- Tensile testing (ASTM E8) and hardness testing (ASTM E18).
- Nondestructive Testing (NDT): PMI, Ultrasonic Testing (ASTM E213), Eddy Current Testing (ASTM E426/E571).
ASTM B444 UNS N06625 Pipe Mechanical Properties
| Condition | Tensile Strength min, ksi (MPa) | Yield Strength (0.2 % offset), min, ksi (MPa) | Elongation in 2 inches or 50.8mm (or 4D)), min % |
| Inconel 625 : Grade 1 (annealed) Grade 2 (solution annealed) | 120 (827) 100 (690) | 60 (414) 40 (276) | 30 30 |
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What are the characteristics of Inconel 625?
- Excellent corrosion resistance in reducing environments
- Exceptional resistance to strong solutions of oxidizing salts, such as ferric and cupric chlorides
- High nickel and molybdenum contents providing good corrosion resistance in reducing environments
- Low carbon content which minimizes grain-boundary carbide precipitation during welding to in heat-affected zones of welded joints
- Resistance to localized corrosion such as pitting and stress-corrosion cracking
- One of few materials to withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide
Design Features – UNS N06625 Inconel 625
- Outstanding corrosion resistance and oxidizing environments.
- Excellent resistance to pitting and stress-corrosion cracking.
- Maintains corrosion resistance in welded joints.
Application of Inconel 625 Welded Pipe
- Inconel 625 Pipes and Inconel 625 Tubes for petrochemical industry
- Pharmaceutical industry
- Food industry
- Aviation and aerospace industry
- Architectural decoration industry
- Oil and Gas Pipeline industry
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Inconel 625 Seamless Pipe Cryogenic to 1800°F (982°C) Performance Images
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