In the evolving landscape of manufacturing, 316L stainless steel
powder has emerged as a key player, particularly in the realm of
additive manufacturing. This austenitic, corrosion-resistant alloy
is renowned for its robust properties, making it a preferred choice
for industries ranging from aerospace to medical devices.
316L stainless steel powder is an austenitic chromium-nickel alloy
with a low carbon content, typically containing 16-18% chromium,
10-14% nickel, and 2-3% molybdenum. This composition not only
enhances its corrosion resistance but also provides excellent
mechanical properties and weldability. The addition of molybdenum
significantly increases its resistance to pitting and crevice
corrosion, especially in chloride environments, making it superior
to other stainless steel grades like 304.
- Corrosion Resistance: 316L offers outstanding resistance to various corrosive
environments, including organic and inorganic acids, making it
suitable for chemical processing applications.
- Mechanical Strength: With tensile strengths up to 620 MPa, 316L is capable of
withstanding high-stress conditions.
- Weldability: The low carbon content minimizes carbide precipitation, enhancing
its weldability and reducing the risk of intergranular corrosion.
- Biocompatibility: Safe for contact with the human body, 316L is widely used in
medical implants and surgical instruments.
- Temperature Resistance: It maintains structural integrity up to 900°C in oxidizing
environments, allowing for high-temperature applications.
316L stainless steel powder is extensively used in various additive
manufacturing techniques, including:
- Laser Powder Bed Fusion (L-PBF): This method benefits from the powder's excellent flowability and
spherical morphology, ensuring uniform layer deposition and
high-density parts.
- Binder Jetting: Known for producing large components efficiently, this process
utilizes 316L powder to achieve mechanical properties comparable to
metal injection molding.
- Direct Energy Deposition (DED): The good flow characteristics of 316L powder support consistent
build rates in this process, which is ideal for repairing or adding
material to existing components.
The versatility of 316L stainless steel powder makes it suitable
for a wide range of applications:
- Aerospace: Used in structural components, turbine housings, and brackets due
to its strength and corrosion resistance.
- Automotive: Ideal for manufacturing impellers, valves, and exhaust systems
that require durability in harsh environments.
- Medical: Commonly used in dental implants, orthopedic devices, and
surgical tools, thanks to its biocompatibility.
- Chemical Processing: Employed in pumps, valves, and reactors that are exposed to
corrosive substances.
- Oil and Gas: Utilized in downhole tools and manifolds, where reliability under
pressure is crucial.
When compared to other alloys such as 17-4 PH, Inconel 718, and
CoCr, 316L stainless steel powder offers a balanced combination of
corrosion resistance, strength, and cost-effectiveness. While it
may not match the high-temperature strength of Inconel 718, its
cost advantage and ease of processing make it a popular choice for
many applications.
To maintain the quality of 316L stainless steel powder, it is
essential to follow proper handling and storage procedures:
- Store in sealed containers to prevent moisture absorption and
contamination.
- Use inert gas padding during transportation to minimize oxidation.
- Ensure proper ventilation and dust extraction to prevent static
buildup and potential hazards.
| Name:Spherical stainless steel powder | Packing specification: barrel | Shape: powder |
| Characteristics: silver-gray powder with metallic luster, high purity nitrogen
atomization or argon atomization, low oxygen content, high degree
of sphericity, high temperature oxidation resistance, good
corrosion resistance. |
| Usage: Stainless steel powder is widely used in powder silver sintering
pressing molding, metal injection molding, thermal spraying, metal
shot blasting and other industries. |
| Spherical austenitic stainless steel powder is mainly used for spraying corrosion-resistant and heat-resistant
coatings. Its coating is bright, dense, excellent corrosion and
heat resistance. |
| Spherical martensitic stainless steel powder is usually flame sprayed and plasma sprayed to prepare
wear-resistant and corrosion-resistant coatings and thick coatings,
such as shafts, plungers, journals, pressurized cylinders, pistons,
paper drying and other parts of the surface strengthening and
protection. |
| Ultrafine spherical stainless steel powders are commonly used in
the manufacture of metal filter elements, sintered filters, 3D
printing and so on. |
| Product Specifications: |
| Loose packed density: 4.0-5.5 (g/cm3) |
| Powder particle size: the coarsest can be sieved-50 mesh, the finest-500 mesh (d50 ≈ 10
microns), and can be sieved according to customer requirements
interval powder; |
| Package: |
| (1) Vacuum packed in aluminum foil bag, 5kg/bag; |
| (2) Iron drum lined with plastic bag, 50kg/drum; |
| (3) Special packing is available according to customers' requirements. |
| Other aerosolized alloy powders: We also produce various iron-based
alloys, nickel-based alloys, cobalt-based alloys, aluminum-based
alloys, spraying and welding powders. |
| Particle size: 60-150 kinds of (mesh) |
| Production method: atomization method |
|
|
| Pressed and sintered stainless steel powder series |
| No. | Chemical Composition(%) | Bulk density | flowability | compressibility |
| Cr | Ni | Mo | Mn | Si | C | P | S | O | Fe | (g/cm3) | (s/50g) | (g/cm3) |
| 304L | 18-20 | 11-12 |
| 0.20 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 2.5-3.0 | ≤30 | ≥6.55 |
| 316L | 17-18 | 13-14 | 2-3 | 0.20 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 2.5-3.0 | ≤30 | ≥6.60 |
| 317L | 19-20 | 14-15 | 3-4 | 0.20 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 2.5-3.0 | ≤30 | ≥6.70 |
| 410L | 12-13 |
| 0.20 | 0.20 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 2.5-3.0 | ≤30 | ≥6.70 |
| 430L | 16-17 |
|
| 0.20 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 2.5-3.0 | ≤30 | ≥6.45 |
| 434L | 17-18 |
| 1.0-1.5 | 0.20 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 2.5-3.0 | ≤30 | ≥6.40 |
| 1Cr18Ni9Ti | 17-19 | 8.0-1.2 |
| <0.2 | <1.0 | <0.1 |
|
|
| remaining | 2.5-3.0 | ≤30 | ≥6.70 |
| Stainless steel powder and alloy powder for injection molding |
| No. | Chemical Composition(%) | solidification density | flowability | compressibility |
| Cr | Ni | Mo |
| Si | C | P | S | O | Fe | (g/cm3) | (s/50g) | (g/cm3 |
| 304L | 18-20 | 11-12 |
| >6.55 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 3.9-4.2 | ≤30 | ≥6.55 |
| 316L | 17-18 | 13-14 | 2-3 | >6.60 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 3.9-4.2 | ≤30 | ≥6.60 |
| 317L | 19-20 | 14-15 | 3-4 | >6.70 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 3.9-4.2 | ≤30 | ≥6.70 |
| 410L | 12-13 |
|
| >6.70 | 0.80 | <0.03 | <0.03 | <0.02 | <0.3 | remaining | 3.8-4.0 | ≤30 | ≥6.70 |
| 9Cr18 | 17-19 |
|
| >6.45 | 0.80 | 0.9-1.0 | <0.035 | <0.02 | <0.3 | remaining | 3.3-3.9 | ≤30 | ≥6.45 |
| 9Cr1.5 | 1.3-1.7 |
|
| >6.40 | 0.80 | 0.95-1.05 | <0.03 | <0.02 | <0.3 | remaining | 3.3-3.9 | ≤30 | ≥6.40 |
Factory equipment
