MS ISMB

MS ISMB Supplier Offering Quality Structural Steel Solutions

You can trust Mangla Steels as MS ISMB Supplier to give you high-quality steel products that can be used in many building and industrial settings. Because they are strong and last a long time, MS ISMB beams are used in many infrastructure projects, business buildings, fabrication work, and engineering structures. Customers can find a range of sizes and specs at Mangla Steels to meet the needs of a wide range of projects. The business wants to meet the needs of contractors, builders, and manufacturers who need reliable structural steel goods for their projects. They do this by focusing on quality standards and on time delivery.

MS ISMB for Construction and Industrial Applications

In residential, business, and industrial projects, MS ISMB sections are often used to support the structure. Because they are strong, they can be used for both load-bearing tasks and manufacturing needs. Mangla Steels sells MS ISMB products that are made to meet the standards of the business and always work well. The company provides dependable solutions backed by quick service for building stores, bridges, factories, or other types of infrastructure. Mangla Steels keeps providing quality steel goods for projects by keeping a large inventory and paying close attention to what customers want.

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What is MS ISMB?

MS ISMB stands for Mild Steel Indian Standard Medium Beam. It is an I-section structural steel beam manufactured as per Indian Standards and widely used in construction and heavy structural fabrication.

The beam has an “I” shape cross-section, designed to provide high bending strength and load-bearing capacity with less material weight.

It is commonly called:

I Beam

RSJ (Rolled Steel Joist)

Medium Weight Beam


Material Composition (Typical Mild Steel)
ElementPercentage (%)
Carbon (C)0.15 – 0.25%
Manganese (Mn)0.30 – 0.60%
Sulfur (S)≤ 0.05%
Phosphorus (P)≤ 0.04%
Iron (Fe)Balance

Mechanical Properties
PropertyValue
Yield Strength250 MPa (Fe 250)
Tensile Strength410 – 540 MPa
Density7,850 kg/m³
Modulus of Elasticity200 GPa

Common Grades:

IS 2062 E250

IS 2062 E350


Standard ISMB Sizes (As per IS 808)
DesignationDepth (mm)Weight (kg/m)
ISMB 100100 mm11.5 kg/m
ISMB 125125 mm13.0 kg/m
ISMB 150150 mm14.9 kg/m
ISMB 200200 mm25.4 kg/m
ISMB 250250 mm37.3 kg/m
ISMB 300300 mm44.2 kg/m
ISMB 350350 mm52.4 kg/m
ISMB 400400 mm61.6 kg/m
ISMB 450450 mm72.4 kg/m
ISMB 500500 mm86.9 kg/m
ISMB 600600 mm122.6 kg/m