At Namo Alloy, we provide high-integrity Hastelloy C276 Pipes, Sheets, and Fittings, designed for the most aggressive industrial environments. This Nickel-Molybdenum-Chromium alloy with an addition of Tungsten is engineered to have excellent resistance to pitting and stress-corrosion cracking. It is one of the few materials that can withstand the corrosive effects of wet chlorine gas, hypochlorite, and chlorine dioxide. Our Seamless C276 Pipes and precision-formed Buttweld Fittings are indispensable in flue gas desulfurization (FGD) systems and complex chemical reactors. Every order is 100% mill-certified to ASTM B575 (Sheets), B622 (Pipes), and B366 (Fittings), ensuring superior performance in environments where standard stainless steels and even Inconels might fail.
| Grade | Ni (Nickel) | Mo (Molybdenum) | Cr (Chromium) | Fe (Iron) | W (Tungsten) | Co (Cobalt) | C (Carbon) | V (Vanadium) |
|---|---|---|---|---|---|---|---|---|
| Hastelloy C276 | Balance | 15.0 - 17.0% | 14.5 - 16.5% | 4.0 - 7.0% | 3.0 - 4.5% | 2.5% Max | 0.01% Max | 0.35% Max |
| Hastelloy B2 | Balance | 26.0 - 30.0% | 1.0% Max | 2.0% Max | - | 1.0% Max | 0.02% Max | - |
| Grade | Tensile Strength (MPa) min. | Yield Strength 0.2% Proof (MPa) min. | Elongation (%) min. | Density (g/cm³) | Melting Range (°C) | Hardness (Brinell) |
|---|---|---|---|---|---|---|
| Hastelloy C276 | 790 MPa | 355 MPa | 40% | 8.89 | 1325 - 1370°C | 210 - 230 HB |
| Hastelloy B2 | 760 MPa | 350 MPa | 40% | 9.22 | 1330 - 1380°C | 210 - 235 HB |
|
|
ASTM B622 (Seamless), ASTM B619/B626 (Welded), ASME SB622/SB619 |
|
|
1/8" NB to 12" NB (Nominal Bore) |
|
Schedules
|
SCH 5, 10, 20, 40, 80, 160, XXS |
|
Form
|
Round, Square, Rectangular, Hydraulic Tubes |
|
|
ASTM B575, ASME SB575, DIN 17750, ISO 6208 |
|
|
0.5mm to 5mm (Sheets) | 5mm to 100mm (Plates) |
|
|
Width: 1000/1250/1500mm | Length: 2000/2500/3000/6000mm |
|
Surface Condition
|
Hot Rolled (No.1), Cold Rolled (2B), Polished (Mirror/Brushed) |
|
|
ASTM B366, ASME SB366, ANSI B16.9 |
|
Available Types
|
Long/Short Radius Elbows, Equal/Reducing Tees, Concentric/Eccentric Reducers, Caps, Stub Ends |
|
Size Range
|
1/2" to 24" NB (Buttweld) | 3000# & 6000# (Forged/Threaded) |
|
|
100% X-Ray Radiography, Dye Penetrant Test (DP), PMI, Tensile Test |
Industry Standard: Our Hastelloy C276 range is fully compliant with NACE MR0175/ISO 15156 standards, specifically optimized for service in sour gas and high-pitting environments.
Namo Alloy is a leading stockist and global exporter of premium Stainless Steel, Carbon Steel, and High Nickel Alloys.
© Copyright by Namo Alloy | Designed by Mesotek
