What Powder is Used for Metal 3D Printing?
The Biden administration plans to ease sanctions on Venezuelan oil to allow more of the country's crude to reach Europe.
The U.S. will allow European companies still operating in Venezuela to immediately transfer more oil to the continent, while allowing Chevron to negotiate a resumption of operations in Venezuela, according to people familiar with the matter. Venezuela's OPPOSITION, which is backed by the United States, is understood to favor the move. Tight global oil supplies have sent crude and fuel costs soaring, threatening to add to already high inflation. Increasing Venezuelan crude exports would help ease supply constraints while also helping to reduce Europe's dependence on Russian energy.
The US has sought to encourage talks between the Venezuelan government and the US-backed opposition to open the way to free and fair elections by extending a limited license held by Chevron to allow the oil company to maintain its operations in Venezuela and negotiate future operations.
The United States reportedly did not extend a permit to Allow Chevron to drill and sell Venezuelan crude, as the company had hoped.
The license extension will allow Chevron to negotiate with State-run Petroleos de Venezuela SA, with which it has a joint venture. Previously, the company could not directly negotiate with any officials sanctioned by the United States. Chevron has been lobbying the United States to allow it to drill for Venezuelan crude and sell it on world markets to help lower energy prices amid the Russia-Ukraine war.
Affected by the ever-changing international situation, the supply and prices of many commodities like the 3D printing metal powder are still very uncertain.
What Powder is Used for Metal 3D Printing?
Stainless steel (17-4 PH, 316L, 304)
Tool steel (H13, A2, D2)
Special alloy (Inconel iron alloy, cobalt-chromium alloy, etc.)
Aluminum (4047, 6061, 7075)
Steel 3D Printing
Steel is the most common metal material for 3D printing. Its strength, ability to convert into 3D-printed metal powder, relatively low cost, and post-processability make it a material that can be used in many applications. Most types of steel can be printed: the two most common are stainless steel and tool steel. Not all steel is often printed -- alloy steel, the most common conventional manufacturing method, is rarely printed. Due to their lower conventional manufacturing costs and poor material properties, they are of low value as printing materials.
Stainless steel is tough, hard steel with excellent corrosion resistance due to its significant chromium content (at least 12% and often up to 18%). They come in two different varieties, austenite and martensite.
Austenitic stainless steel is the most common type of stainless steel. They are corrosion resistant and can be machined and welded, but not heat treated. 303 and 304 are the most common austenitic stainless steel types, while 316L is the variant that maximizes corrosion resistance.
Martensitic stainless steel is much harder than austenitic steel but is more brittle and less resistant to corrosion. Taken as a whole, they lack the versatility of austenitic steels -- however, they can be heat treated and precipitated hardened. They are best when you need hard stainless steel. 17-4 PH is a particularly useful martensitic stainless steel that can be heat-treated to suit a variety of material properties -- it is also the most common martensitic steel, although others have been printed (e.g.420).
Tool steel is named after its core application -- all kinds of tools. They contain carbides, extremely hard compounds that are essential for their ability to cut, grind, press, shape, or form. In general, they are very hard, durable, and can be used at high temperatures. Tool steels are classified according to the AISI-SAE classification system and classified into types according to function. The three most common types of metal 3D printing are A series, D series, and H series tool steels.
A Series tool steels are excellent general-purpose tool steels -- they balance wear resistance and toughness and are machinable. There are eight a-series tool sheets of steel, the most common of which is A2. It is versatile tool steel, usually used in the manufacture of punches and dies, but can be used in a variety of applications.
D Series tool steels are optimized for wear resistance and hardness. They are not particularly tough and are only used for cold working applications. The most common variety of d-series tool steel is D2 -- it's used in all kinds of cutting tools, from blades to industrial cutting tools and even cutting tools.
H Series tool steels cut and shape materials at high (or circulating) temperatures. They do not wear as well as A or D series tool steels at low temperatures but retain their strength and stiffness well at high temperatures. Although there are many types of H-series tool steels, H13 is the most common type for 3D printing. It combines excellent toughness, wear-resistance, and heat resistance, making it good general-purpose tool steel, optimized for high temperatures (hot working).
Titanium 3D Printing
While titanium is by no means a common material for routine manufacturing, its unique properties and high base cost make it an ideal choice for 3D printing. It is strong, light, heat resistant, chemical resistant, and biocompatible. Although several different types of titanium can be printed, one is by far the most common: Titanium 64 (Ti-6Al-4V).
Ti64 is the most common type of titanium used in 3D printing and conventional manufacturing. It has an excellent strength-to-weight ratio and can be heat treated to further enhance strength. The material also performs well in harsh environments due to its corrosion and heat resistance. As a result, it is widely used in aircraft (missiles, rockets, aircraft) medicine (as orthopedic implants), and other places that favor a high strength-to-weight ratio.
Aluminum 3D Printing
Aluminum is notoriously difficult to print. As a result, it is a relatively uncommon printed material, although very common in traditional manufacturing. The variety printed is usually cast grade aluminum, rather than the more common machinable types, such as 6061 or 7075. These cast-grade aluminum alloys all have a significant (up to 12%) silicon content and are weaker and less hard than 6061. It's not immediately clear when aluminum will be more readily used as a material for 3D printing, but until then, materials like steel and titanium have achieved similar strength-to-weight ratios when printed using open-hole fillers.
In addition to more common metals, 3D printers can make parts from alloys that are particularly suited to harsh environments. These "superalloys" -- metals with high strength, heat resistance, good surface stability, and resistance to corrosion or oxidation -- can be used in a variety of high-performance applications. Two subgroups are most common: Inconel and cobalt-chromium.
Inconel is the most common and well-known proprietary nickel alloy. It is a very strong, hard, and corrosion-resistant material used in places such as turbines, engine seals, and rockets. There are two main formulas for 3D printing: Inconel 718 is stronger, and Inconel 625 is more heat resistant. Both materials are expensive to process traditionally, making 3D printing a cost-effective alternative to manufacturing high-fidelity parts.
Cobalt-chromium is a superalloy known for its biocompatibility, high strength-to-weight ratio, and corrosion resistance -- it's essentially a higher-grade, more expensive version of titanium. Like Inconel, it is used in turbines and other harsh environments. Unlike Inconel, it can be used in medical applications as an orthopedic or dental implant.
3D Printing Powder Price
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3D Printing Powder Supplier
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Recently, the Turkish government announced that the Turkish President has signed a presidential decree to provide incentives for its Black Sea gas field development projects, including tax exemptions and other preferential measures.
With a fixed investment of 145.1 billion Turkish lira ($10 billion), the project will employ 1,018 people and produce 14 billion standard cubic meters of gas per year, the decree reads. The incentives involved include tariff and VAT exemptions, as well as a range of tax cuts.
In June 2021, Turkish drill ships discovered 135 billion cubic meters of natural gas in the Sakaria field in the Black Sea, bringing Turkey's total gas discoveries in the region to 540 billion cubic meters.
Turkey imports almost all of its annual gas consumption of about 50 billion cubic meters.
Except for natural gas, the supply and prices of many other 3D printing metal powder will continue to be influenced by international situations.