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Magnesium Alloy AZ31B

Technical Data Sheet

Chemical Composition Limits
Weight %	Al	Zn	Mn	Si	Cu	Ca	Fe	Ni	Others	Mg
Magnesium AZ31B	2.5 - 3.5	0.7 - 1.3	0.2 min	0.05 max	0.05 max	0.04 max	0.005 max	0.005 max	0.30 max total	bal

AZ31B is a wrought magnesium alloy with good room-temperature strength and ductility combined with corrosion resistance and weldability. AZ31B finds application in wide variety of uses including aircraft fuselages, cell phone and laptop cases, speaker cones and concrete tools. AZ31B can be superformed at elevated temperatures to produce a wide variety of intricate components for automotive uses.

AZ31 is also available as tooling plate which is specially produced to provide a flat plate surface. The production process of AZ31-TP also results in plate with exceptional dimensional stability in machining. This allows for the manufacture of very complex parts but also components which benefit from the dimensional stability such as jigs, fixtures, optical benches, vibration test equipment and inspection gauges.

Typical Mechanical Properties

Material	Condition	Thickness "	Tensile Strength	Yield Strength 0.2 %	Elongation in 4D (%)
Magnesium Alloy AZ31B Sheet	Cold Rolled, partially annealed	0.016 - 0.249	39	29	6
Magnesium Alloy AZ31B Sheet	Cold Rolled, partially annealed	0.249 - 0.374	38	26	8
Magnesium Alloy AZ31B Sheet	Cold Rolled, partially annealed	0.374 - 0.500	37	24	8
Magnesium Alloy AZ31B Sheet	Cold Rolled, partially annealed	0.500 - 1.00	36	22	8
Magnesium Alloy AZ31B Sheet	Cold Rolled, partially annealed	1.00 - 2.00	34	20	8
Magnesium Alloy AZ31B Sheet	Cold Rolled, partially annealed	2.00 - 3.00	34	18	8
Magnesium Alloy AZ31B Tooling Plate	Tooling Plate		35	19	10
Tooling Plate properties are typical only and are not guaranteed or reported.

Availability
Magnesium Alloy AZ31B is available in Plate, Tooling Plate, Sheet, Rod and Bar. Contact Sales for all magnesium stock and extrusion requirements. AZ31 & AZ61 Magnesium extrusions and profiles manufactured to order.

Magnesium
35% Lighter than Aluminium.
1 on 15 people in europe need a mobility aid.
Breakthrough in magnesium technologies has resulted in the start for new lightweight mobility aids.
Less weight, more comfort and affordable.
Magnesium parts for Aerospace, Automotive,
Defense, General machinery, etc. has help reduce weight and increase efficiency.

Most magnesium alloys are not heat treatable like aluminium.

Specifications
AMS 4375 - AZ31B-O Sheet, plate
AMS 4376 - AZ31B-H26 Plate
AMS 4377 - AZ31B-H24 Sheet, plate
AMS 4382 - AZ31B-O Plate
ASTM B90
ASTM B107
QQ-M-44B
QQ-M-31B

BS 3370 MAG-S-1110
BS 3370 MAG-E-111M

Werkstoff W.3504 (aerospace)
Werkstoff WS 3.5312

French Commercial - F3
French Aerospace- AIR/AFNOR G-A3Z1
EN1753 MG-P-62

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.