316 Metal Powder

Innehållsförteckning

316 metal powder is a type of stainless steel powder composed primarily of iron, chromium, nickel, and molybdenum. It is widely used in various powder metallurgy, additive manufacturing, and metal injection molding applications due to its excellent corrosion resistance, good mechanical properties, and ability to be 3D printed or sintered into complex parts.

Overview of 316 Metal Powder

316 metal powder, also known as 316L stainless steel powder, provides high strength and durability alongside unmatched resistance to corrosion and oxidation. Here is an overview of 316 powder:

FastigheterDetaljer
Main ComponentsJärn, krom, nickel, molybden
Betyg316L
Viktiga egenskaperExcellent corrosion resistance, good mechanical properties, high hardness and strength, excellent weldability and formability
Common Industry ApplicationsAerospace, chemical processing, oil and gas, automotive, medical devices, tooling
Popular Manufacturing ProcessesMetal injection molding (MIM), Direct metal laser sintering (DMLS), Binder jetting, Hot isostatic pressing (HIP)

With the right parameters and processing methods, 316 metal powder can be turned into highly complex and durable parts thanks to modern manufacturing techniques.

316 metal powder

316 Metal Powder Composition

316 stainless steel gets its corrosion resistant properties from the presence of chromium, nickel and molybdenum alongside iron. Here are the typical composition ranges:

ElementSammansättning Range
Järn (Fe)Balans
Krom (Cr)16.00 – 18.00%
Nickel (Ni)10.00 – 14.00%
Molybden (Mo)2.00 – 3.00%
Mangan (Mn)2.00% max
Kisel (Si)1.00% max

The balance is iron alongside trace amounts of carbon, phosphorus, sulfur and nitrogen. The exact proportions may vary between different 316 metal powder manufacturers and grades.

The high chromium and nickel content gives 316 stainless its excellent corrosion resistance. Molybdenum further enhances these properties, especially resistance to pitting and crevice corrosion in harsh environments. Manganese and silicon also play pivotal roles in forming the steel microstructure.

Egenskaper för 316 Metal Powder

Thanks to its specialized composition, 316 stainless steel powder delivers a well-rounded set of mechanical, physical and chemical properties that make it suitable for high-performance applications:

FastighetDetaljer
TäthetApproximately 7.9 g/cm3
Smältpunkt1375-1400°C or 2510-2550°F
Slutlig draghållfasthet515 to 620 MPa
Utbyteshållfasthet170 to 310 MPa
Elasticitetsmodul193-200 GPa
Töjning vid brott40-50%
HårdhetMax 4 in HRB scale
Motståndskraft mot korrosionExcellent, withstands chlorides, acids, saline media
VärmebeständighetGood heat resistance up to 870°C for short periods
MagnetismNon-magnetic in annealed condition

These properties make 316 ideal for structures needing high strength, toughness, formability as well as resistance to severe corrosion and extreme temperatures. Parts maintain integrity even when exposed to acids, chlorides, sulfides and salt water making it suitable for ocean, chemical and heat applications.

Applications of 316 Metal Powder

Thanks to its well-balanced material properties, 316 stainless steel powder is extremely versatile and used across many critical industries. Some major applications include:

IndustriTillämpningar
Flyg- och rymdindustrinEngine parts, landing gear components, hydraulic tubing, fasteners, braces
Olja & GasValves, wellheads, downhole tools, offshore rigs, heat exchangers
FordonChassis parts, exhaust manifolds, clamps, nuts, bolts, valves
KemiskTanks, process vessels, piping, pumps, valves, reaction chambers
MedicinskSurgical tools, implants, hypodermic tubing, biopsy forceps, clamps
Food & BeverageMixing vessels, tubing, valves, fittings, fasteners, machine parts

316 steel resists corrosion cracking and performs well under prolonged exposure to acids, salts and oxidizing chemicals making it suitable for the harshest conditions. It also provides the strength crucial for structural components.

316 Metal Powder Specifications

316 stainless steel powder is available in various size distributions, shapes and formats based on the requirements of the application and manufacturing process:

AttributDetaljer
Storlekar10-45 microns common but submicron to 150 micron sizes possible
StorleksfördelningVarious ranges possible based on mesh cuts
MorfologiSpherical, angular and mixed shapes available
FormatsFeedstock, precursor powder, loose powder, granulated
Överensstämmelse med standarderASTM A240, ASME SA 240, EN 10088
CertifieringarISO 9001, ISO 14001

Chemistry, size distribution, morphology and shape can be customized based on targeted application, manufacturing process requirements and final part specifications.

Manufacturing Using 316 Metal Powder

316L powder possesses excellent manufacturability owing to its corrosion resistance and weldability alongside good ductility and formability. Some key manufacturing processes that utilize this stainless steel powder include:

ProcessÖversikt
MIM (Metal Injection Molding)Mixing metal powder + binder into a feedstock, injection molding then sintering
DMLS (Direct Metal Laser Sintering)3D printing process using lasers to fuse metal powder into complex shapes
Binder JettingPrinting a liquid binding agent onto metal powder bed to form parts layer by layer
HIP (Hot Isostatic Pressing)High temperature and pressure used to eliminate porosity and increase density

316L powder can also be consolidated into billets and parts using standard powder metallurgy techniques followed by secondary machining, finishing, welding, surface treatments etc.

Advantages and Limitations of 316 Metal Powder

316 stainless steel powder provides an unparalleled balance of properties for high demands alongside great manufacturing versatility through processes like metal 3D printing. However, there are also limitations.

TypDetaljer
ProffsExcellent corrosion resistance, good strength and hardness, great manufacturability and weldability, can be 3D printed into complex geometries
NackdelarLess formable than austenitic grades, prone to carbide precipitation at high temperatures affecting corrosion resistance and ductility, expensive compared to carbon steels

For most applications, the advantages of 316 powder outweigh limitations making it popular for critical components across industries.

Suppliers of 316 Metal Powder

316 stainless steel powder for metal AM, MIM feedstocks etc. is commercially available from various global material suppliers. Some options:

LeverantörBetygStorlek (μm)Form
Sandvik316L10-45Spherical, premixes
TLS Teknik GmbH316L10-63Gas, water atomized
Snickare Tillsats316L15-45Atomiserad plasma
Erasteel316L20-150Vatten som finfördelas
Praxair316L10-75Atomiserad gas

Producers use gas atomization, water atomization, plasma atomization etc. to make 316 powders with customized sizes, shapes and distributions for different applications.

316 metal powder

316 Metal Powder Prissättning

The price of 316 stainless steel powder varies based on chemistry, size, shape, quantity ordered, supply-demand dynamics and other factors. Here are some approximate cost ranges:

TypStorlek (μm)Prisintervall
Spherical, gas atomized15-45 $25-45 per kg
Angular, water atomized20-63$15-35 per kg
Spherical, plasma atomized10-75$30-100+ per kg

Premium charges for special size distributions, shapes, chemistries, tighter tolerances and certifications. Powder metallurgy grade 316L metal powder costs less than varieties optimized for additive manufacturing.

Vanliga frågor

What is 316 metal powder?316 metal powder is a type of corrosion resistant stainless steel powder primarily composed of iron, 16-18% chromium, 10-14% nickel, 2-3% molybdenum and trace amounts of other elements.
What is 316 stainless steel powder used for?316 powder sees widespread use across aerospace, oil & gas, chemical processing, automotive and medical sectors owing to its excellent corrosion resistance combined with good mechanical properties.
What is 316L stainless steel powder?The L designation indicates low carbon content (0.03% max). 316L powder possesses the same corrosion resistance as 316 but superior weldability and resistance to carbide precipitation during high temperature applications.
What manufacturing processes use 316 metal powder?316 powder sees use in metal injection molding (MIM), direct metal laser sintering (DMLS), binder jetting, hot isostatic pressing (HIP) and standard powder metallurgy techniques.
Is 316 stainless steel powder expensive?316 steel is costlier than carbon steels but cheaper than other niche alloys. Cost varies based on powder attributes and economics but $15-100 per kg for spherical/angular 10-150 micron size powder is typical.

316 stainless steel powder delivers an exceptional balance of strength, corrosion resistance and manufacturability for high end applications through metal 3D printing, metal injection molding and other powder metallurgy processes. Both 316 and low carbon 316L varieties provide unmatched performance across industries like aerospace, oil & gas, chemicals and more. Global suppliers offer this versatile powder in different sizes, shapes and formats to suit targeted applications.

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