SS Square Bars
What is a SS Square Bar?
Stainless Steel Square Bars are solid bars with a uniform square cross-section, designed for structural applications and precision components where both strength and appearance are critical. Known for their excellent corrosion resistance, machinability, and formability, square bars are widely used in construction, fabrication, tools, and aesthetic architectural designs.
Asiad Steel Industries is a leading manufacturer and exporter of high-quality stainless steel square bars in various grades and finishes. Our bars meet international standards and are suitable for a broad range of industrial and decorative purposes.
Key Features
High
Strength
Durable
Construction
Precision
Finish
Wide
Compatibility
Corrosion
Resistant
Specifications
| Specification Category | Parameter / Feature | Details / Options |
|---|---|---|
| Size Range | Side Dimensions | 4 mm × 4 mm to 200 mm × 200 mm (custom sizes available) |
| Length | Up to 6 meters (cut-to-length available) | |
| Grades Available | Stainless Steel | SS 304, SS 316 |
| Product Types | Square Bars | Hot Rolled, Cold Drawn, Forged, Polished |
| Surface Finish | Options | Black, Bright, Polished, Rough Turned |
| Standards & Certifications | ASTM | ASTM A276 / A479 |
| EN | EN 10088-3 | |
| ASME | ASME SA276 / SA479 | |
| Certifications | ISO 9001:2015, PED 2014/68/EU | |
| Design Features | Processing | Can be cut, drilled, welded, and machined |
| Tolerances | As per ASTM / EN standards | |
| Applications / Usage | Structural | Frames, Supports, Base Plates |
| Industrial | Fasteners, Shafts, Marine, Chemical, Automotive |
Chemical Composition
| Element | SS 304 (%) | SS 304L (%) | SS 316 (%) | SS 316L (%) |
|---|---|---|---|---|
| Chromium (Cr) | 18.0 – 20.0 | 18.0 – 20.0 | 16.0 – 18.0 | 16.0 – 18.0 |
| Nickel (Ni) | 8.0 – 10.5 | 8.0 – 12.0 | 10.0 – 14.0 | 10.0 – 14.0 |
| Carbon (C) | ≤ 0.08 | ≤ 0.03 | ≤ 0.08 | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.045 | ≤ 0.045 | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 |
| Iron (Fe) | Balance | Balance | Balance | Balance |
| Molybdenum (Mo) | — | — | 2.0 – 3.0 | 2.0 – 3.0 |
Mechanical Properties
| Property | Value | Unit / Standard |
|---|---|---|
| Tensile Strength | 515 – 620 | MPa (SS 304 / SS 316) |
| Yield Strength | 205 – 310 | MPa |
| Hardness | 150 – 217 | HB (Brinell) |
| Elongation | ≥ 40 | % |
| Density | 7.9 – 8.0 | g/cm³ |
| Impact Toughness | ≥ 100 – 150 | J (Charpy, grade-dependent) |
| Modulus of Elasticity (E) | ~193 – 200 | GPa |
| Fatigue Strength | 240 – 310 | MPa |
| Corrosion Resistance | Excellent in Industrial, Marine & Chemical Environments | ASTM A276 (SS 304/316) |
| Thermal Conductivity | 14 – 16 | W/m·K |
| Coefficient of Thermal Expansion | 16 – 17 ×10⁻⁶ | /°C |
| Poisson’s Ratio | 0.27 – 0.30 | – |
| Operating Temperature Range | -196 to 870 | °C (material-dependent, SS 304/316) |
Applications of SS Square Bar
Construction &
Infrastructure
Automotive & Heavy
Equipment
Manufacturing &
Fabrication
Medical & Laboratory
Equipment
Electrical &
Electronics Assembly
Oil, Gas & Petrochemical
Installations
Do you have questions?
Are square bars suitable for welding and fabrication?
What is the difference between hot rolled and cold drawn square bars?
Do you offer square bars in duplex or high-performance grades?
Can I order custom sizes and lengths?
