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Short Description:
Hastelloy C276 with a high nickel contents, is immune to chloride-induced stress corrosion cracking. The high molybdenum and chromium contents allow the alloy to perform in oxidising, non-oxidising and mixed acids media, whilst exhibiting outstanding resistance to pitting and crevice corrosion attack.
Product Description
Alloy C276, with a high nickel contents, is immune to chloride-induced stress corrosion cracking. The high molybdenum and chromium contents allow the alloy to perform in oxidising, non-oxidising and mixed acids media, whilst exhibiting outstanding resistance to pitting and crevice corrosion attack. The addition of tungsten inhibits the development of pits. Finally, C276 is suitable for off-shore applications where hydrogen-sulphide(H2S) stress corrosion cracking resistance is essential.
In aggressive or corrosive environments when other alloys have failed, many companies have then turned to C276 alloy – one of the most corrosion resistant alloys on the market.
Industries where C276 is utilised are petrochemical and chemical processing, power generation, pharmaceutical, pulp and paper production and waste treatment to name a few.
Hastelloy C-276 Characteristic:
- 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 maintain resistance to corrosion 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
Hastelloy C-276 Chemical Composition
| % | Ni | Cr | Mo | W | Co | C | Mn | Si | P | S | Fe | V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Balance | 14.5 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 |
| Max | Balance | 16.5 | 17 | 4.5 | 2.5 | 0.01 | 1 | 0.08 | 0.04 | 0.03 | 7 | 0.35 |
Hastelloy C-276 Physical Properties
| Density | Melting range |
|---|---|
| 8.89 g/cm³ | 1325-1370°C |
Hastelloy C-276 Mechanical Properties
| Mechanical & Physical Properties | 21⁰C | 100⁰C | 200⁰C | 300⁰C | 400⁰C |
|---|---|---|---|---|---|
| Ultimate Tensile Strength for sheet ≤ 5 mm thick | 750-1000 | ||||
| Ultimate Tensile Strength for sheet 5 to ≤ 20 mm thick | 700-950 | ||||
| Ultimate Tensile Strength for bar ≤ 90 mm thick | 700-950 | ||||
| 0.2% Yield Strength for sheet ≤ 50 mm thick | 280 | 240 | 220 | 195 | |
| 0.2% Yield Strength for sheet 5 to ≤ 20 mm thick | 255 | 255 | 200 | 170 | |
| 0.2% Yield Strength for bar ≤ 90 mm thick | 255 | 225 | 200 | 170 | |
| Elongation, % for sheet ≤ 5 mm thick | 30 | ||||
| Elongation, % for sheet 5 to ≤ 20 mm thick | 25 | ||||
| Elongation, % for bar ≤ 90 mm thick | 35 | ||||
| Charpy Impact V-notch mean value / J | 96 (56 when welded) | ||||
| Charpy Impact V-notch indicidual value / J | 67 (39 when welded) |
- Bars & Rods & Foring Ring /Flanges
- Sheet & Plate
- Strip & Coil
- Welding Wire &Spring wire
- Seamless Tube & Welded Pipe
»Round Bar & Square Bar & Hexagon Bar
● Diameter : φ8～φ300mm Length:10mm-6000mm
● Hot forging, Hot Rolling, Cold Drawing
● Bright Surface, Polished Surface, Black Surface
»Tube & Pipe:Seamless Tube& Welded Pipe
● Cold Drawing Seamless Pipe： φ1.0～φ220mm
● Hot Extrusion pipe: φ50～φ250mm
● Others : U Blend Tube and Elbow
»Hot Rolled Plate & Cold Rolled Sheet
● Cold Rolling Sheet Thickness: ≦2.0mm Width:≦1500m
● Hot rolling Plate Thickness: ≧4.0mm Width: ≦2500m
»Strip & Tape Ribbon
● Thickness: ≧ 0.01mm Width: 15mm-300mm
● Cold rolling BA Strip, Hard & Soft Condition
»Straight Length Wire & Spool Wire
● Welding Wire: φ 0.1mm～6.0mm Cut length Rod: φ1.0～φ8.0mm
● Package : 5-25kg/Spool or Box
Hastelloy C-276 ApplicationsI
- Pressure Vessels
- Reactors
- Mixers and Agitators
- Scrubbers
- Dampers
- Heat Exchangers
- Venturis
- Evaporators
- Solvent Recovery Plants
- Pumps and Valves