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MIDPOINT Chemical Company,INC.
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Alloys :
Ca-Al Alloy
Ferro Phosphorus
Magnesium-Calclum Alloy
Strontium-Aluminiun Alloy
Aluminium based master alloys for the aluminium industry
Nickel-Magnesium based master alloys for the foundry industry
Copper based master alloys for the copper industry
Additives for the iron-, steel-, and superalloy industry
Lead based master alloy
Zinc based master alloys
Other master alloys
Department THREE: featured product
Metallic magnesium ingots GB-5154-85 Mg alloy slabs
Name Index
grade1 grade2 grade3
Mg%≧ 99.95 99.90 99.80
Fe%≦ 0.004 0.04 0.05
Si%≦ 0.005 0.01 0.03
Ni%≦ 0.007 0.001 0.002
Cu%≦ 0.003 0.004 0.02
Al%≦ 0.006 0.02 0.05
Cl%≦ 0.003 0.005 0.005
Mn%≦ 0.01 0.03 0.06
total impurities
% ≦ 0.05 0.10 0.20
Brand State Thickness(mm) Remarks
MB1,2,3 R 12.0-32.0 -
MB8 21.0-70.0 -
MB1,2,8 M 0.8-10.0 -
MB8 Y2 0.8-10.0 -
MB8 M 0.8-3.0 envelope
Thick-ness
(mm) Thickness Dimension tolerance width length
≦ allowable dimension
variation
80-1000 1200
Dimension tolerance thickness
0.8 -0.12 - ±10 3000 ±15
1.2 -0.15 -0.16 4200
2.0 -0.18 -0.20
3.0 -0.25 -0.30
5.0 -0.35 -0.36
7.0 -0.40 -0.40 3500
9.0 -0.45 -0.45
12.0
16.0 ±0.50 ±0.50 ±15 ±30
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Magnesium alloys
Brand Al Zn Mn min Si max Fe max Cu max Ni max Others max
AZ91HP
AZ91D 8.0-9.5
8.3-9.7 0.3-1.0
0.35-1.0 0.17
0.15-0.50 0.05
0.10 0.004
0.005 0.015
0.03 0.001
0.002 0.01
0.02
AM50HP
AM50A 4.5-5.3
4.5-5.3 0.1 max
0.20 max 0.27
0.28-0.50 0.1-0.05 0.004
0.004 0.008
0.008 0.001
0.001 0.01
0.01
AM60HP 5.7-6.3 0.2 max 0.27 0.05 0.004 0.008 0.001 0.01
AM20HP 1.7-2.2 0.10 max 0.5 0.1 0.004 0.008 0.001 0.01
AS41B
AE42 3.7-4.8
3.6-4.4 0.10 max
0.20 max 0.35-0.60
0.1 0.60-1.4
- 0.0035
0.004 0.015
0.04 0.001
0.001 0.01
0.01
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