China Magnesium Plate

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Product Code : ASTM

Brand Name : YUECHEN METAL

Product Description

Superplastic forming of AZ31B sheet at elevated temperatures allows production of a wide variety of intricate parts for automotive uses. Monocoque construction utilizing formed sheet can be adapted to many commercial applications.

SPECIFICATIONS

ASTM B90/B90M-07
AMS 4375
AMS 4376
AMS 4377

CHEMICAL COMPOSITION

Al: 2.5-3.5%
Zn: 0.7-1.3%
Mn: 0.20 1.0%
Mg: Balance

PHYSICAL PROPERTIES

Density: 1.78
Coefficient of thermal expansion: 26.8 x 10-6K-1
Specific heat: 1040 Jkg-1k-1
Thermal conductivity: 76.9Wm-1k-1
Electrical resistivity: 92nm
Modulus of elasticity: 45 x 109Pa
Poissons ratio: 0.35
Melting range: 566 - 632°C

HEAT TREATMENT

No thermal treatment is available for increasing the strength of this alloy after fabrication.

MECHANICAL PROPERTIES

Alloy and Temper	Thickness (mm)	Yield Strength 0.2% offset (MPa)	Tensile strength (MPa)	Elongation In 5.65 (%)
AZ31B-O	0.5-1.5	125	221	10
	1.5 - 6.3	105	221	9
	6.3 - 75	105	221	8
AZ31B-H24	0.5 - 6.3	200	269	5
	6.3 -9.5	179	262	7
	9.5 - 12.7	165	255	8
	12.7 - 25	152	248	8
	25- 50	138	234	6
	50 - 80	124	234	7
AZ31B-H26	6.3 - 10	186	269	6
	10 - 12.5	179	262	6
	12.5 - 20	172	255	5
	20 - 25	159	255	5
	25 - 40	152	241	5
	40 - 50	148	241	5

The sheet and plate shall conform to the tensile requirements in above Table unless other agreement is made between seller and purchaser. Mechanical Properties for sizes and tempers not shown in above Table shall be as agreed upon by seller and purchaser.

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