Flow Control / Monoblock Stoppers

Standard MBS Monoblock Stoppers

Standard MBS is the 45-55% Al₂O₃ grade in Shanker Agencies’ monoblock stoppers range, rated for continuous service to 1600°C.

Standard MBS grade monoblock stoppers supplied by Shanker Agencies
Grade
Standard MBS
Al₂O₃ content
45-55%
Carbon content
25-30%
Max service temperature
1600°C
Bulk density
2.3 g/cc

Standard MBS technical specification

Typical values for Standard MBS monoblock stoppers. Test methods vary by property and product family, so confirm the applicable standard against the manufacturer datasheet before specifying.

PropertyStandard MBS
Al₂O₃ content45-55%
Carbon content25-30%
Apparent porosity14-18%
Bulk density2.3 g/cc
Max service temperature1600°C

Grade designations and equivalents

How Standard MBS is referenced across Indian and export naming conventions.

SAPL grade codeStandard MBS
Alumina content45-55% Al₂O₃
Max service temperature1600°C

Where Standard MBS is used

Tundish-to-mould flow control in continuous casting
Automatic mould level control
Vortex & slag entrainment prevention
Argon purging through stopper nose (anti-clog)
Billet, bloom & slab casting
Inclusion reduction in clean-steel grades

Full monoblock stoppers range

Compare Standard MBS against every grade SAPL stocks in this family.

GradeAl₂O₃ contentCarbon contentApparent porosityBulk densityMax service temperature
Standard MBS45-55%25-30%14-18%2.3 g/cc1600°C
ZrO₂-C Nose50-60%28-35%13-17%2.5 g/cc1600°C

Installation notes

  1. 1Mount on the stopper-rod mechanism with correct alignment to the tundish well nozzle
  2. 2Preheat the tundish and stopper assembly per OEM schedule before casting
  3. 3Connect and verify argon purging line where fitted (anti-clogging)
  4. 4Match stopper nose to the tundish nozzle bore for a clean seal and accurate flow control

Disclaimer: values are typical and compiled by Shanker Agencies Pvt. Ltd. from standard industry data and published manufacturer specifications. They are indicative, not a guarantee. Confirm the exact grade datasheet before specifying. For a certified datasheet or quotation, contact info@shankeragencies.com or +91 98999 57888.