Primary Alloyed Aluminium

Mechem has developed an outstanding reputation for service and reliability. Our vast network of suppliers, strong support services, and extensive customer base provides a framework from which all of our clients benefit.

We supply extrusion billets, rolling slabs and foundry ingots / T-bars across various industries with standard alloy covering customer specification in Primary Alloyed aluminium.

Primary Alloyed Billets

Alloy billets (1xxx-7xxx) range in diamaters from 4``(102 mm) up to 17``(432 mm) and lenghts are 5800 mm, 6000 mm and 7000 mm (for cut billets please consult us) with below standard chemical analysis ;

Alloy(Max) Si  % Fe  % Cu  % Mn  % Mg % Zn % max Cr  % Ti  % Others Each Others Total
6060HP 0.40–0.44 0.15–0.20 0.02 0.01-0.03 0.36
– 0.40
0.02 0.02 0.02 0.02 0.10
6060-30 0.40–0.45 0.15–0.20 0.02 0.01-0.03 0.40
– 0.45
0.02 0.02 0.02 0.02 0.10
6060-30s 0.42-0.47 0.16-0.20 0.02 0.01-0.03 0.39-0.45 0.02 0.02 0.02 0.02 0.10
6060-90 0.50-0.55 0.16-0.22 0.02 0.02-0.03 0.50-0.55 0.02 0.02 0.02 0.02 0.10
6063-35I 0.42–0.46 0.15–0.20 0.02 0.01-0.03 0.42
– 0.47
0.02 0.02 0.02 0.02 0.10
6063-35S 0.42-0.46 0.14-0.19 0.02 0.01-0.03 0.46-0.50 0.02 0.02 0.02 0.02 0.10
6005 0.58-0.63 0.18-0.22 0.10-0.2 0.13-0.17 0.53-0.58 0.02   0.02 0.02 0.10
6061 0.61-0.66 0.14-0.20 0.20-0.30 max
0.05
0.90-0.96 0.02 0.06-0.19 0.02-0.05 0.02 0.10
6082 0.95-1.05 0.15-0.23 max
0.03
0.50-0.57 0.62-0.67 0.02   0.02 0.02 0.10
6463 0.34-0.38 0.06-0.13 0.10-0.15 0.03-0.05 0.45-0.53 0.02 0.03 0.05 0.02 0.10
P1020 Max0.08 Max0.20 Max
0.01
Max
0.01
Max
0.02
0.04 Max
0.01
Max
0.01
0.02 0.10

We also supply according to the customer specs in alloys 2xxx, 3xxx, 6xxx, 5xxx and 7xxx

property T5 T6
Tensile strength (Mpa)  160 190
Yield strength (Mpa) 120 150

Metallurgical Quality
Average grain size : min 2000 grains/cm2 - max 200 µ acc to ASTM E112-96
Inverse segragation zone : ˂200 µ
Inclusions : each cast need to be filtered with ceramich foam filter with a min rating of 30 ppi and max amount of inclusion.

20-50 µ 51-100 µ Greater than 100 µ
  <7  <1  0

Physical quality
Physical quality
Mechanical demages must not be greater than 2 mm in depth, 5 mm in width and 250 mm in lenghts on the surface of the billets
Dimension and tolerances
Diameter +0/-2 mm up to 203 mm , +0/-3 mm above 228 mm
Length +/-10 mm
Marking : billets in a bundle is marked on one cut end with cast number and alloy code.

Primary Alloyed Rolling Slabs

1xxx, 3xxx, 5xxx and 6xxx series rolling slabs and forcast plate slabs are available we supply according to the customer specifications.

dimensions of slabs

Thickness mm Width mm Length mm
600 1630 3800
600 1630 3020
600 1630 4115
600 1750 3810
560 1310 4500
560 1100 4000

Production of other sizes is possible according to the order from the customer

Primary Foundry Aalloy Ingots / Tbars

According to the EN1706,EN AC42100
Quality certificates : ISO/TS9001, ISO/TS16949, ISO14001, ISO18000, ISO27000 etc
Open mould ingot weight : 7-15 kgs
Continuous mold ingot weight : 6-8 kgs
Continuous cast bar weight : 10 kgs
Tbars weight range : 300-750 kgs
Marking & packing : will be done acc to customers specification

alloy Si % Fe % Mn % Mg % Cu % Ti % Zn % Cr % Sn % V  % Ga % Ca % Pb % Ni % Sr % P % Sb % AL Others Each Others Total
AlSi10Mg 9.00-11.00 1.00 0.001-0.4 0.2-0.5 0.1 0.15 0.1   0.05                 balance 0.020 0.100
AlSi7MgSr 6.60-7.30 0.13 0.05 0.25-0.33 0.02 0.10-0.15 0.05 0.005 0.01 0.03 0.03 20ppm 0.01 0.01 0.013-0.023 15ppm 0.005 balance 0.020 0.100
AlSi11MgSr 10.70-11.60 0.1300 0.04 0.12-0.17 0.02 0.10-0.15 0.04 0.005 0.01 0.03 0.03 25ppm 0.01 0.01 0.0350-0.0450 15ppm 0.005 balance 0.020 0.100
AlSi10MgMn 9.50-11.50 0.15 0.60-0.80 0.15-0.30 0.03 0.04-0.15 0.07   0.03     0.005 0.03 0.10 0.015-0.030 0.0020 0.015 balance 0.020 0.100
145-piston alloy 11.00-12.00 0.20-0.30 0.15 0.8-1.40 0.80-1.5 0.08 0.02 0.05           0.80-1.30       balance  0.020 0.100
175-piston alloy 11.00-12.00 0.20-0.30 0.15 0.80-1.40 3.00-4.50 0.05 0.08 0.05           2.00-3.00   0.001-0.004   balance 0.020 0.100
AlSi9Cu3 8.00-9.50 0.70-1.00 0.40-0.65 0.15-0.40 3.00-3.50 0.15 1.00   0.10     0.0050 0.10 0.10 Max0.0010 0.0015 0.020 balance 0.020 0.100
AlSi50 47-53 0.30 0.05 Max0.05 0.05 0.05 0.05 0.05       0.15   0.05       balance 0.020 0.100
AlSi20 18-22 0.45 0.10   0.10 0.10   0.10           0.10       balance 0.020 0.100

Primary Alloyed Aluminium

Mechem has developed an outstanding reputation for service and reliability. Our vast network of suppliers, strong support services, and extensive customer base provides a framework from which all of our clients benefit.