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FERRO ALLOYS - MATERIAL DETAILS

Ferro Silicon is a universal “heat-blocker” used in the production of carbon and stainless steels. This additive is used with other ferro alloys in the deoxidising process of steel, as well as in the production of silicon itself. It is also used in the production of cast iron, as it can accelerate graphitisation. Ferro Silicon replaces the need for ferro manganese, spiegeleisen and calcium silicides in the manufacturing process.

Si Al C P S
FeSi 45 % 45 % min 2.00 % max 0.20 % max 0.03% max 0.02 % max
FeSi 65 % 65 % min 1.50 % max 0.15 % max 0.03% max 0.02 % max
FeSi 75 % 75 % min 1.50 % max 0.15 % max 0.03% max 0.02 % max
FeSi 75 %
Low Al
75 % min 1.00 % max 0.05 % max 0.03% max 0.02 % max
FeSi 75 %
High Purity
75 % min 0.10 % max 0.03 % max 0.03% max 0.02 % max
SIZE 1-3 mm / 3-10 mm / 10-50 mm / 10-100 mm
PACKING Bulk or 1 mt big-bag

Ferro-manganese is used mainly in the steel industry for hardening and desulphurisation of steel and as a deoxidizer, making the slag more fluid.

Mn C Si P S
FeMn HC 75 % min 6-8 % 1.50 % max 0.25 % max 0.03 % max
FeMn HC
Low P
76/78 % min 6-8 % 1.50 % max 0.10 % max 0.03 % max
FeMn MC 80 % min 1.50 % max 1.50 % max 0.20 % max 0.03 % max
FeMn LC 80 % min 0.50 % max 0.50 % max 0.025 % max 0.03 % max
SIZE 1-3 mm / 3-10 mm / 10-50 mm / 10-100 mm
PACKING Bulk or 1 mt big-bag

Ferro Silico Manganese is used as a deoxidizer and an alloying element in steel. It can be used as a substitute for Ferro Silicon and Ferro Manganese when added to make different types of steel.

Mn Si C P S
FeSiMn 6014 60 % min 14 % min 2.0 % max 0.30 % max 0.05 % max
FeSiMn 6517 65 % min 17 % min 2.0 % max 0.30 % max 0.03 % max
FeSiMn 7018 70 % min 17 % min 2.0 % max 0.30/0.50 % max 0.03 % max
SIZE 10-50 mm / 10-80 mm
PACKING Bulk or 1 mt big-bag

Ferro Silicon Magnesium is one of the best  nodularizers  due to its low levels of magnesium oxide and high nodularization . This material is used to modify the graphite flakes in the iron making process.

 Ferro Silico Magnesium Mg Si Ca TRE La Al
FeSiMg 5.50 – 6.50 % 43.0 – 48.0 % 0.80 – 1.20 % 0.80 – 1.20 % 0.40-0.80 %
FeSiMgMCa 5.50 – 6.50 % 43.0 – 48.0 % 1.80 – 2.00 % 0.80 – 1.20 % 0.40-0.80 %
FeSiMgHMg 8.00 – 10.00 % 43.0 – 48.0 % 0.80 – 1.20 % 0.80 – 1.20 % 0.40-0.80 %
FeSiMgLa 5.50 – 6.50 % 43.0 – 48.0 % 0.80 – 1.20 % 0.35 – 0.45 % 0.40-0.80 %
SIZE 1-10mm / 2-20 mm / 3-25 mm / 6-30 mm and as percustomersrequirements
PACKING appr. 1mtbig-bag

 

Ferro-chrome is added to steel to impart properties of hardness, strength and making it stainless. High Carbon Ferro Chrome is most commonly used in specialist applications such as engineering steels. Low-carbon Ferro-Chrome is used during steel production to correct chrome percentages. It is also a low cost alternative to metallic chrome for uses in super alloys and other special melting applications.

Cr C Si P S
FeCr HC-Charge CR 55-60 % 6-8 % 3.0 % max 0.03 % max 0.04 % max
FeCr HC 60-65 % 6-8 % 1.5 % max 0.02 % max 0.02 % max
FeCr MC 60-65 % 0.5/1.0 % max 1.0 % max 0.03 % max 0.03 % max
FeCr LC 65-70 % 0.10/0.25 % max 1.0 % max 0.03 % max 0.03 % max
FeCr LC high purity 65-70 % 0.03/0.06 % max 1.0 % max 0.03 % max 0.03 % max
SIZE 4-10 mm / 10-50 mm / 10-80 mm / 10-100 mm
PACKING Bulk or 1 mt big-bag

Ferro phosphorus is used mainly as the additives in the foundry industry to improve the floatability of foundry iron, thus improving the quality of the castings. Phosphorus content can increase the wearing resistance and improve the cutability in the castings. Ferro phosphorus also used as the additive in the steel production, which can improve the corrosion resistivity in certain steel products.

P Si C S Cu V
FeP 23-28 % 1-2 % 0.1 % max 0.01 % max 0.5 % max 0.5 % max
SIZE 10-50 mm / 10-100 mm
PACKING 1 mt big-bag

“By correct inoculation of cast irons the formation of chill can be prevented and gas related porosity and shrinkage to a great extent controlled and minimized.
Inoculants are specially designed FeSi based alloys to control the microstructure and mechanical properties of cast irons”

Inoculants Si Ca Al Ba Zr Mn La Sr
FeSiBa 65.0-75.0 % 1.50-2.25 % 0.60-1.00 % 2.50-3.75 %
FeSiZrMn 60.0-65.0 % 1.50 % max 0.60-1.25 % 3.00-3.50 % 3.50-4.00 %
FeSiLa 70.0-75.0 % 1.50-2.00 % 1.50-2.00 % 1.50-2.00 %
FeSiSr 70.0-75.0 % 2.00 % 1.00 % max 1.00-1.50 %
SIZE 1-3 mm
PACKING 500 lb. steel drum / 2 – 3,000 lb. super sack or wooden box / Customer specific packaging where required
  • Calcium Aluminate
  • Flourspar