SLM Metal Material

6061 Aluminum Alloy 3D Printing Service

Heat-treatable SLM aluminum alloy with good machinability, weldability, and balanced mechanical performance for general-purpose structural and functional applications.

6061 Aluminum Alloy is a practical SLM metal material for lightweight structural parts, mechanical components, housings, fixtures, and industrial assemblies. It offers balanced strength, good formability, reliable weldability, and stable performance after heat treatment, making it a versatile option for general-purpose metal applications that need both manufacturability and dependable mechanical behavior.

SLM Metal 6061 Aluminum Heat Treatable Good Machinability General Structural Parts
6061 aluminum alloy SLM 3D printing material

What Is 6061 Aluminum Alloy?

6061 Aluminum Alloy is a heat-treatable aluminum alloy known for its good machinability, weldability, and balanced overall performance. In SLM 3D printing, it is well suited for producing general-purpose structural and functional metal parts that need moderate strength, lighter weight than steel, and stable behavior after heat treatment.

Compared with AlSi10Mg, 6061 offers a more familiar engineering balance for many conventional industrial applications. Compared with stainless steel, it reduces weight significantly, while compared with titanium it can be a more economical choice for many functional components, housings, and fixtures.

Best Fit for 6061 Aluminum Printing

  • General structural parts and lightweight industrial components
  • Mechanical components, brackets, and housings
  • Fixtures and functional assemblies requiring machining compatibility
  • Automotive parts and general engineering prototypes
  • Applications needing balanced strength, weldability, and post-processing flexibility

6061 Aluminum Alloy Specifications

Application

Industrial Metals

Technology

SLM

Price

From $15.00

Build Time

72 - 96 hours

Tolerance

±0.1mm or within 0.1%

Min. Wall Thickness

1.0mm

Max. Size

355 × 405 × 400 mm

Surface Roughness

Ra 3.2–7 μm

Key Advantage

Balanced performance after heat treatment

Material Character

Machinable, weldable, and versatile

Why Choose Our 6061 Aluminum Printing Service

  • Good machinability and weldability for downstream manufacturing and assembly
  • Balanced mechanical properties for general-purpose structural applications
  • Improved strength after heat treatment for more stable functional performance
  • Suitable for housings, fixtures, automotive parts, and lightweight industrial components
  • Practical choice for versatile metal prototypes and low-volume production parts

6061 Aluminum Alloy Material Properties

Surface Roughness (As-built)

Ra 3.2–7 μm

Hardness (As-built)

HRB 90 ±10

Hardness (After Heat Treatment)

HRB 120±30

Tensile Strength (As-built)

260 ±40 MPa

Tensile Strength (After Heat Treatment)

300 ±20 MPa

Yield Strength (As-built)

202 ±40 MPa

Yield Strength (After Heat Treatment)

250 ±20 MPa

Elongation (As-built)

14 ±5%

Elongation (After Heat Treatment)

10 ±5%

Best Use

General functional aluminum parts

Compare 6061 Aluminum with Other SLM Metal Materials

Attribute 6061 Aluminum AlSi10Mg Aluminum 316L Stainless Steel Ti6Al4V (TC4)
Technology SLM SLM SLM SLM
Application Industrial Metals Industrial Metals Industrial Metals Industrial Metals
Price From $15.00 From $10.00 From $10.00 From $15.00
Min. Wall Thickness 1.0mm 1.0mm 1.5mm 1.5mm
Max Size 355 × 405 × 400 mm 355 × 405 × 400 mm 390 × 390 × 290 mm 390 × 390 × 290 mm
Main Advantage Balanced machinability and heat-treated performance Lightweight and thermal conductivity Corrosion resistance and balanced strength High strength-to-weight ratio
Surface Condition Ra 3.2–7 μm Ra 3.2–7 μm Ra 3.2–7 μm Ra 3.2–7 μm
Tensile Strength 260 ±40 MPa 440 ±50 MPa 600 MPa 1230 ±50 MPa
Tensile Strength After Heat Treatment 300 ±20 MPa 320 ±50 MPa Not listed 1015 ±50 MPa
Typical Use General structural parts, mechanical components, housings, fixtures Lightweight structures, heat-dissipation parts, housings Functional structural parts, corrosion-resistant components Aerospace parts, high-load structures, demanding functional components
Summary Choose 6061 for versatile aluminum parts with good machinability and balanced performance. Choose AlSi10Mg for lighter functional parts and thermal applications. Choose 316L for corrosion-resistant durable metal parts. Choose Ti6Al4V for premium high-performance lightweight applications.

Need a versatile SLM aluminum for general engineering parts? 6061 Aluminum Alloy is a practical choice when balanced mechanical performance, weldability, machinability, and stable post-heat-treatment behavior are important.

Need 6061 Aluminum Alloy Parts Fast?

Send us your 3D file and application requirements. We can help confirm whether 6061 Aluminum Alloy is the right metal for your project, or recommend another SLM material based on strength, weight, machinability, thermal behavior, and end-use needs.