METALLURGICAL PRODUCTS

 

Master Alloys

FeSiMg & NiMg

Magnesium treatment is a required step within the production of ductile (DI) iron and compacted (CGI) iron. The primary purpose of introducing magnesium to the molten metal is the formation of spherical graphite, also called "spheroids" or "nodules" (DI) and "compacted graphite" (CGI) respectively. These graphite forms, when produced correctly, are essential to provide the iron with the desired mechanical properties.

  • Produced to the highest quality standards
  • Critical elements maintained at narrow limits
  • Methods for introducing the pre-alloy
Diagram of magnesium treatment sandwich step

SANDWICH

Diagram of magnesium treatment tundish step

TUNDISH

Diagram of magnesium treatment pour on top step

POUR ON TOP

Diagram of magnesium treatment cover step

COVER

Diagram of magnesium treatment Inmold step

INMOLD

FeSiMg type* Typical Composition
% by weight
 
Mg
Ca
CerMM
Si
La
VL 63 (M) 6.0 - 6.6** 1.9 0.7 45 --
VL 63 (O) 6.0 - 6.6** 1.9 -- 45 --
VL 63 (M) TC 6.4 - 7.0 1.3 0.7 45 --
VL 63 (M) 3 6.0 - 6.6** 1.9 0.3 45 --
VL 63 EGT 6.0 - 6.6 1.9 0.15 45 --
VL 63 (M) T 6.0 - 6.6 3.0 1.0 45 --
VL 63 LA 6.2 - 6.8 1.8 -- 45 0.5
VL 73 (M) 7.0 - 7.6 2.5 2.5 45 --
VL 73 (O) 7.0 - 7.6 2.5 -- 45 --
VL 7 5.7 - 6.3 0.7 0.5 45 --
VL 53 (M) 9.0 - 11.0 2.0 0.7 45 --
VL 53 (O) 9.0 - 11.0 2.0 -- 45 --
VL 53 (S) 8.0 - 9.5 3.0 3.5 45 --
VL 50 (M) 5.0 - 5.5 1.9 0.7 45 --
VL 50 (O) 5.0 - 5.5 1.9 -- 45 --
Noduloy 3 3.8 - 4.3 0.5 1.3 45 --
Denodul 5 5.0 - 6.0 1.5 2.5 45 --
NiMg type* Typical Composition
% by weight
Lumpiness
 
Mg
C
Si
Fe
MM
Ni
mm
VL 1 (LC) 15 - 17.5 0.1
max.
2.0
max.
1.0
max.
-- Remainder 12-50
150 max.
VL 1 (M) 15 - 17.5 2.0
max.
2.0
max.
1.0
max.
1.0 Remainder 150 max.
VL 4 (M) 4.5 - 6.0 2.5
max.
2.5
max.
32-37 1.0 Remainder Ingots 2.5 kg
or 0.8 kg
VL 4 (O) 4.5 - 6.0 2.5
max.
2.5
max.
32-37 -- Remainder Ingots 2.5 kg
or 0.8 kg

Cored Wire

INFORM M for magnesium treatment

INFORM M Cored Wires are a highly effective and reliable method for introducing magnesium to molten metal.  These highly innovative wires are designed in multiple diameters. They are extremely easy to handle and ideal for automation processes. ASK Chemicals INFORM M cored wires are guaranteed to have been produced to the highest quality.

  • Well-adjusted compositions to specific foundry needs
  • Small addition and exact dosing
  • Simple handling, easy to automate
  • Good traceability and documentation
  • Mg cored wire treatment for DI and CGI
  • Offers flexibility with regard to changing initial conditions such as sulfur content, treatment temperature, and iron quality
  • Handling and treatment costs can be reduced
  • Environmentally friendly because of targeted exhausting
Classification of Mg-treatment wires:
WIRE CONTENT
DIAMETER
APPLICATION
Pure magnesium     • 9 mm
    • 13 mm
DI, desulfurization
Mixed (Alloys and/or
pure elements)

    • 9 mm
    • 13 mm
    • 16 mm

CGI, DI, desulfurization
Alloys     • 9 mm
    • 13 mm
    • 16 mm
CGI, DI

Inoculants

Ladle, in-stream, and cored wire for varying applications

ASK Chemicals Metallurgy offers a wide variety of engineered inoculants for gray (GI), ductile (DI) and compacted graphite (CGI) iron. Each inoculant is unique in design to provide performance characteristics that satisfy today’s demanding casting requirements. These inoculants are produced at our German facility under strict quality control.

  • Very good dissolution behavior
  • High effectiveness and low consumption
  • Uniform graphite precipitation
  • Improvement of mechanical properties
  • Methods for introducing the inoculants
Diagram of magnesium treatment tundish step

LADLE

Diagram of magnesium treatment pour on top step

IN-STREAM

Diagram of magnesium treatment cover step

CORED WIRE

Active elements DI and GI DI GI CGI
Al Inogen 75 VP 216/116
(GERMALLOY)
-- Inogen 75
Ca -- --
Ba SB 5/SB 10 Inoculoy 63 -- -- --
Mn ZM 6 -- VP 316 (OPTIGRAN) --
Zr OPTINOC Z -- --
Ca -- SMW 605
(SMW Formling
Typ 1)
-- -- --
Bi -- -- SAW 304
(SMW Formling
Typ 2)
-- --
CerMM -- CSF 10 -- --
Al -- -- -- -- --
La -- LSF 2 -- -- --
Sr SRF 75 -- -- -- SRF 75
Ti -- -- -- LC Graphidox LC Graphidox

Mold Inoculants

GERMALLOY, SMW Inserts and OPTIGRAN

GERMALLOY and SMW Insert are solid cast inserts used for the mold inoculation of ductile iron. They are either placed in the drag portion of the mold or anchored in the pouring basin of very large castings. GERMALLOY is widely used to improve the nodule count of graphite within a casting, as well as enhance its mechanical properties. SMW Insert inoculants, on the other hand, are well known for their ability to eliminate the formation of chunky graphite in heavy section ductile iron. OPTIGRAN is the mold inoculant for gray iron. It provides finer Type “A” graphite in gray iron. Pouring and dissolving time of ASK Chemicals mold inoculants*.

Mold Inoculation Machine Molded - with cast blanks

Pre-Conditioners

Products that ensure a well-prepared base iron

Preconditioning establishes constant conditions in the molten metal. It is important to achieve a proper chemical composition of oxygen and sulfur, especially for the subsequent Mg-treatment processes. It is of upmost importance to achieve process stability, create a uniform base iron and improve the nucleation state of the molten metal. With the pre-conditioning products, ASK Chemicals provides, all of this can be achieved. ASK Chemicals has a wide array of products within this segment to meet your every need.

PRE-CONDITIONER
IRON
APPLICATION
BENEFITS
Calcium Carbide DI Furnace/Ladle Desulfurizes, successfully used for covering FeSiMg during treatment
VL (Ce)2 DI Ladle Reduces 02 and S content in the base iron; forms atmospherically stable Ce-0-S compounds; boosts heterogeneous nucleation catalyst
DISPERSIT DI, GI Ladle Purification of molten metal; reduction of slag on the ladle and furnace lining; reduction of dross and slag inclusions
SilicoMM Di, CGI Ladle Adjusts CerMM content; provides a pre-inoculation effect, i.e. improves nucleation characteristics of iron; produces iron that is more responsive to post-inoculation
CerMM DI, CGI Ladle Introducible with alloy or as whole cubes; good at graphite modification; neutralization of interfering elements like lead, antimony, etc.

Melt Cleaners

Cleaning the melt and minimizing deposits on ladle and furnace linings are essential for ensuring the quality of molded parts and reducing maintenance costs. Additionally, it is crucial to avoid slag buildup in ladles, casting, and melting furnaces.

REDUX
A reliable product for reducing slag on casting ladles and casting/smelting furnaces. The product is a fluoride-free flux that can help to prolong the life of ladle and furnace linings. It also helps to remove any impurities from the melt. Since REDUX reduces the surface tension of the molten metal, it assists the coagulation of foreign particles or reaction products, which can thus rise at an accelerated rate.
  • Reduction of deposits on the ladle and furnace lining
  • Reduction of existing slag deposits
  • Pre-conditioning of molten metal
  • Reduction of dross and slag inclusions
DISPERSIT
A new method of metallurgical purification of molten iron, DISPERSIT reduces the surface tension of the molten metal and assists the coagulation of foreign particles or reaction products, which can thus rise at an accelerated rate. It also reduces the formation of reaction product (slag) deposits on the treatment ladle, pouring ladle, and furnace lining. When using DISPERSIT, the addition of alloys containing Mg can be reduced during the production of cast iron with nodular graphite. For example, 1 kg DISPERSIT is generally a substitute for 1–2kg of a 5% FeSiMg alloy; there are corresponding empirical values when using other FeSiMg alloys. Using DISPERSIT is often successful in reducing the scrap rate caused by dross and inclusions by over 50%.
  • Pre-conditioning of molten metal
  • Reduction of slag on the ladle and furnace lining
  • Reduction of dross and slag inclusions

CROWN 8501

NATURAL GRAPHITE PELLET
 
TYPICAL
Fixed Carbon 96%
Ash 4.0%
Volatile 1.4%
Ash 0.02%
Ash 0.30%
Ash 0.008%
Benefits:
  • Fast Dissolution
  • Consistent Recovery
  • No Dust
  • Ultra-low Nitrogen
  • Ultra-low Sulfur
  • Low carbon footprint
  • Ductile Iron
  • Gray Iron
  • Tap Carbon for steel
  • Ladle Carbon for steel
  • Cover for Copper

H2251 Titanium
Boron-Aluminum

5% Titanium- 1% Boron-Aluminum Master Alloy

Advantages of using for Grain Refining Aluminum Foundry Alloys:
  • Improved feeding
  • Reduced chemical segregation
  • Increased pressure tightness
  • Reduced hot tearing
  • Improved mechanical properties
  • Improved machinability
  • Better response to finishing
  • Elimination of salt inclusions

As a general rule, 5% titanium-1% boron-aluminum master alloy is the most potent and reliable additive for general use in grain refining aluminum foundry alloys. Grain refiners should be added to the furnace or ladles close to the end of the processing cycle after the molten metal purification, degassing, and filtration processes. A good starting titanium addition is 0.015 to 0.03%. The amount of grain refiner needed The amount of grain refiner needed to produce optimal castings is often determined empirically.

Standard forms and packaging:
Milward Titanium Boron-Aluminum Waffle Ingot

Aluminum Waffle Ingot, 16 lbs. (7 kg)

Milward Titanium Boron-Aluminum Notch-bar Ingot

Aluminum Notch-bar Ingot, 15 lbs. (7 kg) and 50 lbs. (22 kg)

Milward Titanium Boron-Aluminum Cut Waffle

Aluminum Cut Waffle, 1 lb. (0.5 kg)