Nickellegering C276 pulver

Översikt

Nickel Alloy C276-pulver, även känt som Hastelloy C276-pulver, är ett nickel-molybden-kromlegeringspulver med hög korrosionsbeständighet. Den har utmärkt motståndskraft mot ett brett spektrum av korrosiva miljöer, särskilt oxidation och klorid-jon spänningskorrosionssprickning.

Some key properties and characteristics of Nickel Alloy C276 powder include:

Nickel Alloy C276 Powder Key Properties

Nickel Alloy C276 powder can be used to manufacture parts using additive manufacturing techniques like selective laser sintering (SLS), direct metal laser sintering (DMLS), laser powder bed fusion (L-PBF) and binder jetting. This allows complex geometries to be created with very good mechanical properties.

Some of the key applications and uses of Nickel Alloy C276 powder include:

Applications of Nickel Alloy C276 Powder

Sammansättning

The typical composition of Nickel Alloy C276 powder is:

Typical Composition of Nickel Alloy C276 Powder

The high nickel and molybdenum content gives Nickel Alloy C276 excellent corrosion resistance. The chromium helps provide oxidation resistance. Trace elements like manganese, silicon, phosphorus and sulfur are minimized as they can negatively impact corrosion resistance if present in higher amounts. The low carbon content minimizes carbide precipitation.

Egenskaper och kännetecken

Nickel Alloy C276 powder has the following key properties and characteristics:

Properties of Nickel Alloy C276 Powder

Some key features and advantages of Nickel Alloy C276 powder include:

• Extremely high corrosion resistance especially to pitting and crevice corrosion
• Excellent resistance to oxidation and other high temperature effects up to ~1100°C
• High strength from ambient up to elevated temperatures
• Good weldability using conventional welding methods
• Good formability allowing a range of fabrication options
• Higher strength compared to other nickel alloys
• Lower carbon content improves corrosion resistance

Specifikationer

Nickel Alloy C276 powder is available in various size ranges depending on the application and manufacturing process to be used. Some typical size specifications include:

Typical Size Specifications of Nickel Alloy C276 Powder

Larger powder sizes may be available up to 140 mesh size (~100 μm). Smaller powder is also produced down to nano powder size (~50 nm) for advanced applications.

Various national and international specifications apply to Nickel Alloy C276 powder based on composition, condition and testing:

• AMS 5874 – Wrought Nickel Alloy C276 for General Purposes
• ASME SB-574 – Wrought Nickel Alloy C276 for Pressure Vessels
• ASTM B575 – Standard Specification for Low-Carbon Nickel Alloy Plate, Sheet, and Strip
• ISO 15156/NACE MR0175/MR0103 – Petroleum and natural gas industries

Leverantörer och prissättning

Some leading global suppliers of Nickel Alloy C276 powder include:

Key Suppliers of Nickel Alloy C276 Powder

Nickel Alloy C276 powder is more expensive than nickel-based superalloys due to the high molybdenum content. Cost also depends significantly on order volume and particle size distribution. Some approximate powder pricing is:

• Small volumes (<100 kg) – $100-150 per kg
• Large volumes (>1,000 kg) – $50-90 per kg

How to Choose Nickel Alloy C276 Powder

There are a few key factors to consider when selecting Nickel Alloy C276 powder:

Key Selection Criteria for Nickel Alloy C276 Powder

It is critical to start by understanding the application, operating conditions and properties needed. The manufacturing process determines suitable powder characteristics like particle size distribution, morphology and flowability. Chemical composition should be confirmed with the supplier’s certificate of analysis. Sample testing can validate key properties before full-scale production.

Applications and Use Cases

Nickel Alloy C276 finds widespread use in demanding heat and corrosion environments across various industries:

Industries and Applications for Nickel Alloy C276 Powder

Some specific application examples include:

• Oil platforms – Seawater lift pumps, piping systems, wellhead Christmas trees, subsea components like connectors, flowlines, jumpers etc.
• Petrochemical plants – Heat exchanger tubing, condenser tubes, process vessels and tanks, pipes and valves carrying corrosive media
• Marine vessels – Components like propeller shafts, water-cooled exhaust manifolds, corrosion-resistant fasteners
• Desalination – Intake screens, high pressure pump components and plungers, reverse osmosis membrane housings
• Pollution control systems – FGD and SCR system internals like fans, ducts, stacks, scrubber liners exposed to acidic gases or seawater
• Food/beverage processing – Pipework, process vessels and tanks, nuts/bolts, valves carrying acidic foods