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IS 12269:1987 is the Indian Standard (BIS) for ordinary portland cement, 53 grade - specification. This standard provides the manufacturing and testing specifications for 53 Grade Ordinary Portland Cement (OPC). It covers the chemical and physical requirements, including strength, setting time, and soundness, for this high-strength cement.
Specifies requirements for 53 grade ordinary portland cement; commonly referenced for older projects.
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
Practical Notes
! 53 Grade cement has a higher heat of hydration than lower grades, making it less suitable for mass concreting works due to the risk of thermal cracking.
! The '53' denotes the minimum 28-day compressive strength of 53 MPa for standard mortar cubes, not concrete.
! Due to its high early strength gain, it is ideal for precast concrete production and structures requiring early de-shuttering.
Consolidated list per BIS. For the text of each amendment, refer to the BIS portal link above.
cementordinary portland cementopc 53
International Equivalents
Similar International Standards
EN 197-1:2011CEN (European Committee for Standardization), Europe
HighCurrent
Cement - Part 1: Composition, specifications and conformity criteria for common cements
Specifies CEM I 52,5 N and 52,5 R, which are high-strength Portland cements with similar strength profiles.
ASTM C150 / C150M - 22ASTM International, USA
MediumCurrent
Standard Specification for Portland Cement
Specifies Type III (High Early Strength) Portland Cement, which shares high-strength characteristics but uses a different classification system.
AS 3972:2010Standards Australia, Australia
HighCurrent
General purpose and blended cements
Specifies Type GP or HE cement of strength class 52.5, which is a direct strength-based equivalent.
SANS 50197-1:2013SABS (South African Bureau of Standards), South Africa
HighCurrent
Cement Part 1: Composition, specifications and conformity criteria for common cements
South African adoption of EN 197-1, specifying high-strength CEM I 52,5 grade cement.
Key Differences
≠IS 12269 classifies cement by a single number representing the minimum 28-day compressive strength (53 MPa). In contrast, EN 197-1 and AS 3972 use strength classes (e.g., 52,5) that define both a minimum and maximum 28-day strength.
≠ASTM C150 does not use strength grades for classification. Instead, it defines cement 'Types' based on intended use (e.g., Type I for general purpose, Type III for high early strength), with minimum strength requirements at different ages.
≠The maximum permissible Magnesia (MgO) content in IS 12269:1987 is 6.0%, which aligns with ASTM C150, but is higher than the 5.0% limit specified in EN 197-1.
≠IS 12269:1987 specifies a maximum final setting time of 600 minutes (10 hours). Many international standards, including ASTM C150 and EN 197-1, do not specify a maximum limit for final setting time.
Key Similarities
≈All standards are fundamentally based on Portland cement clinker as the primary constituent, with minor additions of gypsum to control setting.
≈Compressive strength is the primary performance characteristic used for specification and quality control across all mentioned standards, even though the classification methods differ.
≈All standards mandate a minimum initial setting time to ensure adequate workability before hardening. The specified minimums are generally similar (e.g., 30-45 minutes).
≈Soundness, or volume stability after setting, is a critical requirement in all standards. The test method (Le Chatelier or Autoclave) and limits are often very similar (e.g., Le Chatelier expansion limit of 10 mm).
Parameter Comparison
Parameter
IS Value
International
Source
28-Day Compressive Strength
≥ 53.0 MPa
≥ 52.5 MPa
EN 197-1 (for Class 52,5 N and 52,5 R)
3-Day Compressive Strength
≥ 27.0 MPa
≥ 30.0 MPa
EN 197-1 (for Class 52,5 R)
Initial Setting Time
≥ 30 minutes
≥ 45 minutes
EN 197-1 (for Class 52,5)
Final Setting Time
≤ 600 minutes
No limit specified
ASTM C150
Soundness (Le Chatelier Expansion)
≤ 10 mm
≤ 10 mm
EN 197-1
Soundness (Autoclave Expansion)
≤ 0.8 %
≤ 0.80 %
ASTM C150
Magnesia (MgO) Content
≤ 6.0 %
≤ 5.0 %
EN 197-1
Sulphuric Anhydride (SO₃) Content
≤ 3.5% (if C₃A > 5%)
≤ 4.5%
ASTM C150 (for Type III)
⚠ Verify details from original standards before use
Key Values7
Quick Reference Values
Min. Compressive Strength (3 days)27 MPa
Min. Compressive Strength (7 days)37 MPa
Min. Compressive Strength (28 days)53 MPa
Min. Initial Setting Time30 minutes
Max. Final Setting Time600 minutes
Max. Soundness (Le Chatelier)10 mm
Min. Specific Surface (Fineness)225 m²/kg
Tables & Referenced Sections
Key Tables
Table 1 - Chemical Requirements for Ordinary Portland Cement, 53 Grade
It indicates a minimum characteristic compressive strength of 53 MPa at 28 days for standard cement-sand mortar cubes, tested as per IS 4031 (Part 6).
What is the minimum initial setting time for 53 Grade cement?+
The minimum initial setting time is 30 minutes, as specified in Table 2.
Is 53 Grade OPC suitable for plastering?+
It is generally not recommended for plastering or masonry work as its high strength can cause shrinkage cracks and result in a brittle mortar. Lower grade cements are preferred.
What is the maximum allowed Le Chatelier expansion?+
The maximum expansion is 10 mm, which ensures the soundness of the cement (Table 2).