At Namo Alloy, we are leading stockists of high-performance Inconel 625 Round Bars, Sheets, and Pipes. This Nickel-Chromium-Molybdenum alloy is engineered for high strength and outstanding corrosion resistance across a massive temperature range, from cryogenic levels up to 982°C. The addition of Niobium works with Molybdenum to stiffen the alloy’s matrix, providing high tensile and fatigue strength without the need for age-hardening heat treatments. Our Seamless Pipes and Hot Rolled Sheets are widely used in jet engine exhaust systems, chemical processing equipment, and subsea hardware. Every product is 100% mill-certified to ASTM B446 (Bars), B443 (Sheets), and B444 (Pipes), ensuring the metallurgical precision required for nuclear reactors and aerospace engineering.
| Grade | Ni (Nickel) | Cr (Chromium) | Mo (Molybdenum) | Fe (Iron) | Nb + Ta (Niobium) | Mn (Manganese) | C (Carbon) | Ti (Titanium) |
|---|---|---|---|---|---|---|---|---|
| Inconel 625 | 58.0% Min | 20.0 - 23.0% | 8.0 - 10.0% | 5.0% Max | 3.15 - 4.15% | 0.50% Max | 0.10% Max | 0.40% Max |
| Inconel 600 | 72.0% Min | 14.0 - 17.0% | - | 6.0 - 10.0% | - | 1.0% Max | 0.15% Max | - |
| Grade | Tensile Strength (MPa) min. | Yield Strength 0.2% Proof (MPa) min. | Elongation (%) min. | Density (g/cm³) | Max Service Temp (°C) | Hardness (Brinell) |
|---|---|---|---|---|---|---|
| Inconel 625 | 827 MPa | 414 MPa | 30% | 8.44 | 982°C | 175 - 240 HB |
| Inconel 600 | 550 MPa | 240 MPa | 30% | 8.47 | 1093°C | 120 - 170 HB |
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ASTM B446, ASME SB446, AMS 5666, ISO 9723 |
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Diameter Range
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5mm to 300mm (Hot Rolled / Forged) | 3mm to 100mm (Cold Drawn) |
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Condition
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Solution Annealed, Bright Polished, Centerless Ground |
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Tolerance
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h9, h10, h11, k12 (Strict straightness for aerospace machining) |
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ASTM B443, ASME SB443, AMS 5599, ISO 6208 |
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0.5mm to 6.0mm (Sheets) | 6.0mm to 100mm (Plates) |
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1000x2000mm, 1220x2440mm, 1500x3000mm (Custom sizes available) |
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Surface Finish
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2B (Matte), No.1 (HRAP), BA (Bright Annealed), No.4 (Brushed) |
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ASTM B444 (Seamless), ASTM B705 (Welded), ASME SB444 |
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1/2" NB to 16" NB (Nominal Bore) |
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Schedules
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SCH 10S, 40S, 80S, 160, XXS (Special heavy wall available) |
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Hydrostatic, Ultrasonic, Eddy Current, PMI, Micrographic Analysis |
Compliance: Our Inconel 625 inventory is fully compliant with NACE MR0175/ISO 15156 for sour gas environments and is supplied with 3.1 Mill Test Certificates.
Namo Alloy is a leading stockist and global exporter of premium Stainless Steel, Carbon Steel, and High Nickel Alloys.
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