Lightweight MG · Mg-Al-Zn Wrought
Magnesium Alloy AZ61B
Magnesium Alloy AZ61B is a lightweight mg magnesium alloy — higher-strength wrought magnesium. Typical values: 180 MPa yield, 1.8 g/cm³, rated to 150 °C. Available for CNC machining, Sheet metal at FabDigit.
Properties
Typical room-temperature values for the default supply condition. Metric first, imperial in gray. The bars show where AZ61B sits against the other 12 magnesium alloy grades in the catalog.
Datasheet
| Yield strength | 180 MPa26 ksi |
|---|---|
| Tensile strength | 310 MPa45 ksi |
| Hardness | 55 HB |
| Density | 1.8 g/cm³0.065 lb/in³ |
| Specific strength (yield ÷ density) | 100 |
| Min service temp | -100 °C-148 °F |
| Max service temp | 150 °C302 °F |
| Electrical conductivity | 13 % IACS7.5 MS/m |
| Machinability | Excellent92 / 100 |
| Weldability | Very good75 / 100 |
| Formability | Fair40 / 100 |
| ISO 513 machining group | N |
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Against other magnesium alloy grades
Strength versus weight in the magnesium alloy family
Yield strength against density for every magnesium alloy grade FabDigit runs. AZ61B is highlighted; hover a dot for its name, or open the interactive family chart.
Manufacturability
The process limits FabDigit's quote engine applies to AZ61B. Design inside these and the part quotes instantly; outside them it routes to an engineer.
CNC machining
| Machinability | Excellent92 / 100 |
|---|---|
| ISO material group | N.7 |
| Cutting speed (rough / finish) | 400 / 460 m/min |
| Minimum wall | 0.8 mm |
| Minimum internal radius | 1.5 mm |
| Drill depth limit | 8× diameter |
| Best surface (machined / polished) | Ra 0.8 / — |
| Hardenable after machining | No |
Sheet metal
| Formability | Fair40 / 100 |
|---|---|
| Weldability | Better75 / 100 |
| Bendable | Yes |
Surface finishes for AZ61B
Coatings and treatments compatible with magnesium alloy on the processes AZ61B runs on. Pick them in the quote configurator or call them out on the drawing.
Conversion Coating
- Anodizing Type II
- Chem Film (Alodine)
- Hard Anodize Type III w/ PTFE
- Hard Anodizing Type III
Organic Coating
- E-Coating
- Painting
- Powder Coating
Marking / Decoration
- Chemical Etching
- Dot Peen Marking
- Electro-chemical Etching
- Embossing / Debossing
- Ink Stamping
- Laser Marking
- Mechanical Engraving
- Steel Stamping
- Vibro Engraving / Scribing
Equivalent designations
Standards and trade names that resolve to Magnesium Alloy AZ61B in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- UNS
- M11610
- ASTM
- B107
- EN / DIN / Werkstoff-Nr.
- MgAl6Zn3.5612
- Also called
- AZ61
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.