High-Quality Mild Steel Plates for Structural Strength and Industrial Versatility

Mild Steel Plates

Mild Steel Plates

Mild Steel Plates

As the Philippines’ trusted steel supplier, Metal Exponents provides premium mild steel plates specifically engineered to anchor your most demanding construction and industrial needs.

These low-carbon plates (0.05–0.25% carbon) offer strong weldability and formability, enabling easy shaping and joining without increased risk of cracking. With a tensile strength of 400–550 MPa, they provide reliable structural stability and good impact resistance.

They also exhibit high machinability for precise cutting and drilling, making them a practical and cost-effective alternative to higher-carbon steels across a wide range of engineering applications.

Explore our range of high-performance mild steel plates, complete with specifications, international grades, and application guidance to support your material selection.

Mild Steel Plates

ASTM A36

ASTM A36 is a structural carbon steel grade commonly used for fabrication and load-bearing components. This mild steel plate is suited for applications requiring stable mechanical behavior and compatibility with welding, cutting, and forming processes.

Mild Steel Plates

Specifications/Technical Details:

Category Property Value/Description
Chemical Composition Carbon 0.25% – 0.29%
Manganese 0.8% – 1.2%
Phosphorus ≤ 0.04%
Sulfur ≤ 0.05%
Mechanical Properties Yield Strength 250 MPa (36,000 psi)
Tensile Strength 400 – 550 MPa (58,000 – 80,000 psi)
Elongation ~20% in 200 mm
Density 7.85 g/cm³
Modulus of Elasticity 200 GPa

Common Applications

Widely used in construction and industrial fabrication, mild steel plates support structural and engineered steel requirements such as:

  • Structural frames for buildings and facilities
  • Bridge components such as beams and girders
  • Fabricated steel parts for civil infrastructure
  • Industrial equipment bases and support structures
  • General-purpose welded assemblies and steel components

ASTM A283

Designed for structural applications requiring low to intermediate tensile strength, this carbon steel plate delivers reliable performance for construction, fabrication, and general engineering projects. Available in Grades C and D, it offers practical workability, consistent strength, and cost-effective material performance for a wide range of industrial applications.

Mild Steel Plates

Specifications/Technical Details:

Category Property Grade C Grade D
Chemical Composition Carbon (Max) 0.24% 0.27%
Manganese (Max) 0.90% 0.90%
Phosphorus (Max) 0.030% 0.030%
Sulfur (Max) 0.030% 0.030%
Silicon Up to 0.40% Up to 0.40%
Copper (Min, when specified) 0.20% 0.20%
Mechanical Properties Tensile Strength 55–75 ksi 60–80 ksi (415–550 MPa)
Yield Strength (Min) 30 ksi 33 ksi (230 MPa)
Elongation in 8 in. 22% 20%
Elongation in 2 in. 25% 23%

Common Applications

ASTM A283 mild steel plate is used for general structural and fabrication needs, such as:

  • Structural components for buildings and facilities
  • Infrastructure and bridge fabrication
  • Storage tanks and pressure-related equipment
  • Industrial machinery and support systems
  • General fabrication and engineered steel parts
  • Welded assemblies for construction applications

JIS G3101 SS400

Engineered for general structural applications, JIS G3101 SS400 is a Japanese-standard carbon steel widely used in construction, fabrication, and industrial manufacturing. Its dependable strength, weldability, and machinability make it suitable for projects requiring efficient processing, structural consistency, and practical material performance.

Mild Steel Plates

Specifications/Technical Details:

Category Property Value
Chemical Composition Carbon (C) 0.17% max (≤16 mm), 0.20% max (>16 mm)
Manganese (Mn) 1.60% max
Phosphorus (P) 0.050% max
Sulfur (S) 0.050% max
Mechanical Properties Tensile Strength ≥ 400 MPa
Yield Strength Varies by thickness
Elongation Good ductility (grade-dependent)
Weldability Excellent
Machinability Good
Corrosion Resistance Moderate (surface protection recommended)

Common Applications

SS400 mild steel plates are used in structural and fabrication work such as:

  • Construction framing and load-bearing structures
  • Civil works, including bridges and support systems
  • Fabrication of mechanical and equipment parts
  • Sheet and plate-based manufacturing works
  • Welded steel assemblies for structural use
  • Custom-formed components for fabrication processes

Build Stronger Projects with Premium Mild Steel Plate

Metal Exponents supplies mild steel plates engineered for structural, fabrication, and industrial applications. Each material is selected for consistent mechanical performance and compliance with standard engineering requirements.

With controlled composition and stable properties, our plates support efficient processing and long-term structural use across various applications.

Looking for the right material for your project? Contact us today to discuss your requirements.

Mild Steel Plates