Steel fiber reinforced castable


Steel fiber reinforced castable is characterized by high strength, good toughness and good thermal shock stability, anti-spalling and wear resistance, for the temperature step change is more likely to cause the furnace wall damage parts.

Steel fiber reinforced castable is characterized by high strength, good toughness and good thermal shock stability, anti-spalling and wear resistance, for the temperature step change is more likely to cause the furnace wall damage parts.

Main physical and chemical indexes of steel fiber reinforced castable

Performance indexParameters
Chemical composition (%);≥Al₂O₃7085708590
SiC122126/
Cold compressive strength (Mpa)110 ℃× 24h7070808590
1100 ℃× 3h50508590100
Cold Modulus of rupture (Mpa)110 ℃× 24h99121518
1100 ℃× 3h56121518
Permanent linear change (%)110 ℃× 24h0~-0.20~-0.10~-0.10~-0.10~-0.1
1100 ℃× 3h-0.1~-0.2-0.15-0.30~-0.50~-0.1-0.1~0.1
Construction water addition (%)9-118-107-86-86-7
Maximum operating temperature (℃);≥14501500150015501600

Key words:

Steel fiber reinforced castable

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