Argon Oxygen Decarburization (AOD) Refractory Products - Resco Products

Argon-Oxygen Decarburization (AOD)

Argon-Oxygen Decarburization (AOD) is the most dominant process for the generation of stainless, low-alloy, and superalloy steels. Resco Products has been and is involved in this application with its ability to supply both dolomitic as well as magnesite chrome refractory products. The AOD process became very popular because it created a more economical way to produce specialty steels. This was achieved higher metallic yields with lower material costs versus previous methods used.

Scrap is first melted in an electric arc furnace (EAF) or an induction furnace (IF). Then transferred to the AOD vessel where it is decarburized and refined reducing the carbon levels below 0.05%. Argon and oxygen are injected through submerged tuyeres to reduce the oxidation of precious elements.

Resco works with the various AOD facilities to determine the best refractory product for their process. Resco's refractories increase the number of heats or contact hours per campaign. Achieving the lowest refractory operating costs possible by improving the argon-oxygen decarburization lining.

Refractories for AOD Vessels

Argon Oxygen Decarburization AOD DiagramThe most common products used for an argon oxygen furnace include dolomite burned brick, high fired magnesia chrome brick (mag-chrome). Dolomite brands utilized for AOD refractory include KD65Z-DOL and FG65-DOL. magnesite chrome refractory brands typically utilized in AOD lining include RFG-93 and Exceline FG-95.

 






RELATED PRODUCTS
Dolomite Mix

DOL-Mix-BLArrow icon

High purity sintered dolomite that is sized and blended with a small amount of non-aqueous liquids to reduce dusting. DOL-MIX-BL is used in ladles and AOD’s as a bottom levelling material between working and safety linings.
PDS SDS
High purity sintered dolomite that is sized and blended with a small amount of non-aqueous liquids to reduce dusting. DOL-MIX-BL is used in ladles and AOD’s as a bottom levelling material between working and safety linings.
RAM

DOL-Mix-R+Arrow icon

DOL-MIX-R+ is a dolomite-based ram mix with an improved binder system
PDS SDS
DOL-MIX-R+ is a dolomite-based ram mix with an improved binder system
RAM

DOL-Mix-R50+Arrow icon

Rotary kiln sintered dolomite and burnt magnesite grains that are sized and blended with a proprietary mix of nonaqueous organic binders. The organic system provides an intermediate bond until a strong ceramic bond is developed at service temperatures. DOL-MIX-R50+ is primarily used as a high temperature ramming material in plug bottom design ladles and AOD’s, and as a filling ram around well blocks and porous plug blocks.
PDS SDS
Rotary kiln sintered dolomite and burnt magnesite grains that are sized and blended with a proprietary mix of nonaqueous organic binders. The organic system provides an intermediate bond until a strong ceramic bond is developed at service temperatures. DOL-MIX-R50+ is primarily used as a high temperature ramming material in plug bottom design ladles and AOD’s, and as a filling ram around well blocks and porous plug blocks.
Dry Mortar

GRFG MortarArrow icon

GRFG MORTAR is a dry, air-setting basic mortar containing fused magnesia-chrome aggregate and can be applied by troweling or dipping consistencies. This basic mortar features excellent resistance to aggressive basic slags.
PDS SDS
GRFG MORTAR is a dry, air-setting basic mortar containing fused magnesia-chrome aggregate and can be applied by troweling or dipping consistencies. This basic mortar features excellent resistance to aggressive basic slags.
Dolomite Brick

KD30-DOLArrow icon

High purity sintered dolomite that is sized, blended with magnesite, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD30-DOL is a premium quality refractory for more aggressive wear areas in tuyere pads and slaglines of AOD’s, VOD’s and ladle furnaces.
PDS SDS
High purity sintered dolomite that is sized, blended with magnesite, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD30-DOL is a premium quality refractory for more aggressive wear areas in tuyere pads and slaglines of AOD’s, VOD’s and ladle furnaces.
Dolomite Brick

KD50 Z TL0828Arrow icon

Dolomite Brick

KD65-DOLArrow icon

High purity sintered dolomite that is sized, blended with magnesite, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD65-DOL is a premium quality refractory for more aggressive wear areas in tuyere pads and slaglines of AOD’s, VOD’s and ladle furnaces.
PDS SDS
High purity sintered dolomite that is sized, blended with magnesite, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD65-DOL is a premium quality refractory for more aggressive wear areas in tuyere pads and slaglines of AOD’s, VOD’s and ladle furnaces.
Dolomite Brick

KD65Z-DOLArrow icon

High purity sintered dolomite that is sized, blended with magnesite, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD65Z-DOL is a premium quality refractory for more aggressive wear areas in tuyere pads and slaglines of AOD’s, VOD’s and ladle furnaces.
PDS SDS
High purity sintered dolomite that is sized, blended with magnesite, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD65Z-DOL is a premium quality refractory for more aggressive wear areas in tuyere pads and slaglines of AOD’s, VOD’s and ladle furnaces.
Dolomite Brick

KD-DOLArrow icon

High purity sintered dolomite that is sized, blended, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD-DOL is a low porosity, low permeability working lining material for AOD’s and VOD’s.
PDS SDS
High purity sintered dolomite that is sized, blended, pressed into a brick shape, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. KD-DOL is a low porosity, low permeability working lining material for AOD’s and VOD’s.
Dry Mortar

LarcobondArrow icon

A volume stable refractory mortar with good water retention and workability. Suitable for dipping or troweling.
PDS SDS
A volume stable refractory mortar with good water retention and workability. Suitable for dipping or troweling.
Wet Mortar

Larcobond ASArrow icon

LARCOBOND AS is an dry, air-setting chrome mortar that has good workability and water retention. This mortar is suitable for dipping and trowelling
PDS SDS
LARCOBOND AS is an dry, air-setting chrome mortar that has good workability and water retention. This mortar is suitable for dipping and trowelling
Magnesia Brick

Nucon 60Arrow icon

Direct bonded, magnesite-chrome brick, Chrome Magnesite Brick, Mag Chrome, Mag-Chrome
PDS SDS
Direct bonded, magnesite-chrome brick, Chrome Magnesite Brick, Mag Chrome, Mag-Chrome
Basic Monolithics

PermaCast FG Ram CastArrow icon

PermaCast™FG is a low silica, volume stable, magnesia-chrome ramming mix highly resistant to basic slags. It is produced from fused magnesia-chrome grain and is recommended for a wide variety of high temperature applications which require excellent corrosion resistance. Product maintains its high strength throughout a wide temperature range.
PDS SDS
PermaCast™FG is a low silica, volume stable, magnesia-chrome ramming mix highly resistant to basic slags. It is produced from fused magnesia-chrome grain and is recommended for a wide variety of high temperature applications which require excellent corrosion resistance. Product maintains its high strength throughout a wide temperature range.
Basic Monolithics

PermaCast FG-HSArrow icon

PermaCast™FG-HS is a volume stable, magnesia-chrome ramming mix highly resistant to basic slags. It is produced from fused magnesia-chrome grain and is recommended for a wide variety of high temperature applications which require excellent corrosion resistance. Product maintains its strength throughout a wide temperature range.
PDS SDS
PermaCast™FG-HS is a volume stable, magnesia-chrome ramming mix highly resistant to basic slags. It is produced from fused magnesia-chrome grain and is recommended for a wide variety of high temperature applications which require excellent corrosion resistance. Product maintains its strength throughout a wide temperature range.
Magnesia Brick

RFGArrow icon

FUSED GRAIN-CONTAINING, MAGNESITE-CHROME BRICK, Chrome Magnesite Brick, Mag Chrome, Mag-Chrome
PDS SDS
FUSED GRAIN-CONTAINING, MAGNESITE-CHROME BRICK, Chrome Magnesite Brick, Mag Chrome, Mag-Chrome
Magnesia Brick

RFG-93Arrow icon

Composed of fused magnesia-chrome grain, chrome ore, deadburn magnesia. Has low porosity, excellent high temperature strengths and superb corrosion resistance. Recommended for the most severe wear areas of AOD's, degassers, electric furnace slaglines and a variety of other applications requiring maximum corrosion resistance.
PDS SDS
Composed of fused magnesia-chrome grain, chrome ore, deadburn magnesia. Has low porosity, excellent high temperature strengths and superb corrosion resistance. Recommended for the most severe wear areas of AOD's, degassers, electric furnace slaglines and a variety of other applications requiring maximum corrosion resistance.
Dolomite Brick

Z-DOLArrow icon

High purity sintered dolomite that is sized, blended with zirconia, pressed into a brick shape for rotary kilns, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. Z-DOL is a premium quality, spall resistant refractory for use in the burning zone of a rotary cement kiln.
PDS SDS
High purity sintered dolomite that is sized, blended with zirconia, pressed into a brick shape for rotary kilns, then fired in a high temperature tunnel kiln to create a strong ceramically bonded brick. Z-DOL is a premium quality, spall resistant refractory for use in the burning zone of a rotary cement kiln.