HomeGrades
Concrete
Grade Catalog
M10 to M60 — full technical specifications for every grade we produce. All mixes conform to IS 456:2000 and IS 4926:2003 standards.
IS 456:2000Plain & Reinforced Concrete Code
IS 4926:2003Ready Mixed Concrete Standard
IS 383:2016Coarse & Fine Aggregate Spec
ISO 9001:2015Quality Management Certified
Standard Grades
M10 – M25 · Everyday residential and commercial construction
M10
Compressive Strength10 N/mm²
w/c Ratio
0.60
Slump
25–75 mm
Cement
210 kg/m³
Applications
- Blinding concrete under foundations
- Non-structural levelling courses
- Lean concrete for road sub-bases
M15
Compressive Strength15 N/mm²
w/c Ratio
0.55
Slump
25–75 mm
Cement
250 kg/m³
Applications
- Plain cement concrete (PCC) foundations
- Mass concrete for retaining walls
- Flooring and pathways
M20
Popular
Compressive Strength20 N/mm²
w/c Ratio
0.50
Slump
50–100 mm
Cement
300 kg/m³
Applications
- RCC slabs, beams, and columns
- Standard residential construction
- Staircase and landing slabs
- Lintels and chajjas
M25
Popular
Compressive Strength25 N/mm²
w/c Ratio
0.45
Slump
50–100 mm
Cement
330 kg/m³
Applications
- Heavy-duty RCC slabs and beams
- Industrial floors and warehouses
- Multi-storey building frames
- Water tanks and retaining structures
High Strength
M30 – M40 · Infrastructure, bridges, and high-rise structures
M30
Compressive Strength30 N/mm²
w/c Ratio
0.42
Slump
75–125 mm
Cement
360 kg/m³
Applications
- Pre-stressed concrete members
- High-rise structural columns
- Bridge decks and girders
- Underground structures
M35
Compressive Strength35 N/mm²
w/c Ratio
0.40
Slump
75–125 mm
Cement
380 kg/m³
Applications
- Flyovers and elevated roads
- Marine structures and jetties
- Heavy industrial foundations
- Long-span bridges
M40
Compressive Strength40 N/mm²
w/c Ratio
0.38
Slump
75–150 mm
Cement
400 kg/m³
Applications
- High-performance structural elements
- Prestressed bridge girders
- Tall building core walls
- Heavily loaded foundations
Ultra High Strength
M45 – M60 · Critical, offshore, and specialized engineering
M45
Specialist
Compressive Strength45 N/mm²
w/c Ratio
0.35
Slump
100–150 mm
Cement
420 kg/m³
Applications
- Critical infrastructure projects
- High-rise towers above 30 floors
- Offshore platform components
Requires admixtures. Consult our engineers.
M50
Specialist
Compressive Strength50 N/mm²
w/c Ratio
0.32
Slump
100–175 mm
Cement
450 kg/m³
Applications
- Nuclear containment structures
- Offshore and marine critical works
- Ultra-high-rise core walls
- Special defence and industrial structures
High-performance mix. Requires specialist design.
M60
Specialist
Compressive Strength60 N/mm²
w/c Ratio
0.28
Slump
150–200 mm
Cement
500 kg/m³
Applications
- Reactive powder concrete applications
- Extreme load-bearing columns
- Specialized research and defence structures
Ultra-high strength. Available on project-specific order.
Quick Comparison
All grades at a glance — strength, mix ratios, and typical use.
| Grade | Strength (N/mm²) | w/c Ratio | Slump (mm) | Cement (kg/m³) | Primary Use | |
|---|---|---|---|---|---|---|
| M10 | 10 | 0.60 | 25–75 mm | 210 kg/m³ | Blinding concrete under foundations | Quote |
| M15 | 15 | 0.55 | 25–75 mm | 250 kg/m³ | Plain cement concrete (PCC) foundations | Quote |
| M20Popular | 20 | 0.50 | 50–100 mm | 300 kg/m³ | RCC slabs, beams, and columns | Quote |
| M25Popular | 25 | 0.45 | 50–100 mm | 330 kg/m³ | Heavy-duty RCC slabs and beams | Quote |
| M30 | 30 | 0.42 | 75–125 mm | 360 kg/m³ | Pre-stressed concrete members | Quote |
| M35 | 35 | 0.40 | 75–125 mm | 380 kg/m³ | Flyovers and elevated roads | Quote |
| M40 | 40 | 0.38 | 75–150 mm | 400 kg/m³ | High-performance structural elements | Quote |
| M45 | 45 | 0.35 | 100–150 mm | 420 kg/m³ | Critical infrastructure projects | Quote |
| M50 | 50 | 0.32 | 100–175 mm | 450 kg/m³ | Nuclear containment structures | Quote |
| M60 | 60 | 0.28 | 150–200 mm | 500 kg/m³ | Reactive powder concrete applications | Quote |
Not Sure Which Grade?
Our engineers will review your structural drawings and recommend the right grade and volume — at no charge.