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Delta Castable for EAF Roof

Delta Castable for EAF Roof

Product Details:

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Product Description

Shenghe Refractories has engineered the Delta castable for EAF Delta to achieve highest refractoriness in a wide range of operating conditions including thermal shock, steel slag washing and gas attack, high-temperature radiation and the air abrasion caused by dust flow. Delta Castable is produced by ultrafine powder technology, high-quality binders and additives, and the precise distribution of the grain size to meet with different customers’ needs. 

Features

  • Good thermal shock resistance
  • Good volume stability and long service life
  • Excellent in erosion and corrosion resistance
  • High temperature impact from electrodes
  • High temperature radiation during melting and treatment of steel
  • Suitable for normal EAF, Ultra High Power EAF, Refining Furnace and VD Furnace Roof
  • Pre-cast Delta roof can be tailor made accordingly to customer specifications.

Packaging :  25kg Moisture Resistant Bags packed in 1T Jumbo Bag

Shelf Life : 6 months

Technical Specification

Properties

SH-DC82

Al2O3

%

≥82

Fe2O3

%

1

SiO2

%

9.1

TiO2

%

1.5

CaO

%

1.4

Na2O+K2O+LOI

%

0.5

MgO

%

4.5

Grain Size

mm

0 - 6

Bulk Density
After Drying at 
100

gm/cc Min

≥ 2.90

Cold Crushing Strength after heating to

110 x 24h

500Kg/sq.cm min

1110 x 3h

650Kg/sq.cm min

1600 x 3h

750Kg/sq.cm min

Modulus of Rapture after heating to

110 x 24h

150Kg/sq.cm

1110 x 3h

160Kg/sq.cm

1600 x 3h

190Kg/sq.cm

Permanent Linear Change (%)

1600 x 3h

+/- 1.5 Max

Water addition per 100kg

5.0 - 7.0 L

Method of Installation

Vibration Casting


YINGKOU SHENGHE REFRACTORIES MANUFACTURING CO., LTD

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