SS Raw Materials
What are SS Raw Materials?
Stainless Steel (SS) Raw Materials are the foundation of modern engineering and fabrication. Known for their exceptional corrosion resistance, strength, and durability, stainless steel raw materials are used across construction, infrastructure, energy, marine, automotive, and manufacturing industries.Asiad Steel Industries is a reliable supplier of Stainless Steel Raw Materials including Rods/Bars, Sheets/Plates, Flats, and Angles/Channels, available in multiple grades and finishes. Each product is manufactured to international standards, ensuring durability and performance for critical industrial and structural applications.
Key Features
High
Strength
Durable
Construction
Precision
Finish
Wide
Compatibility
Corrosion
Resistant
Types of SS Raw Materials
Specifications
| Specification Category | Parameter / Feature | Details / Options |
|---|---|---|
| Forms Available | Rods / Bars | Standard & Custom Sizes |
| Sheets / Plates | Standard & Custom Sizes | |
| Flats | Standard & Custom Sizes | |
| Angles / Channels | Standard & Custom Sizes | |
| Size Range – Rods/Bars | Diameter | 6 mm to 500 mm |
| Hot Rolled / Cold Drawn | Options Available | |
| Size Range – Sheets/Plates | Thickness | 0.5 mm to 100 mm |
| Width | Up to 2500 mm | |
| Size Range – Flats | Width | 25 mm to 200 mm |
| Thickness | 3 mm to 25 mm | |
| Size Range – Angles/Channels | Angle | 20 mm x 20 mm to 200 mm x 200 mm |
| Channel | Up to 300 mm | |
| Manufacturing Process | Hot Rolled | Hot Rolled process available |
| Cold Rolled | Cold Rolled process available | |
| Forged | Forged process available | |
| Machined | Machined process available | |
| Surface Finish Options | Available Finishes | Black, Bright, HR, CR, Polished, Pickled & Passivated |
Dimensions
| Product Type | Shape / Variant | Grades (Common) | Size Range | Thickness / Dia | Width | Length | Standards & Tolerance | Finish / Condition |
|---|---|---|---|---|---|---|---|---|
| Stainless Steel Rods / Bars | Round Bars | 304, 304L, 316, 316L, 321, 410, 420, Duplex 2205, Super Duplex 2507 | Dia: 3 mm – 600 mm | 3 – 600 mm | – | 1 m – 6 m (up to 12 m custom) | ASTM A276, ASTM A479, EN 10088 | Black, Bright, Peeled, Polished, Forged, Annealed |
| Square Bars | 304, 316, 410, Duplex | 10 mm – 200 mm | 10 – 200 mm | – | 1 – 6 m | ASTM A276, IS 6603 | Hot Rolled, Pickled, Cold Drawn | |
| Hex Bars | 304, 316, 321, 410 | AF 10 mm – 120 mm | 10 – 120 mm | – | 1 – 6 m | ASTM A276, ASTM A484 | Bright Drawn, Polished | |
| Stainless Steel Sheets / Plates | Sheets | 304, 304L, 316, 316L, 310S, 409, 420, Duplex | Thickness: 0.3 – 6 mm | 0.3 – 6 mm | 1000, 1250, 1500, 2000 mm | 2000 – 6000 mm (coil cut lengths available) | ASTM A240, EN 10088 | HR, CR, 2B, BA, No.4, Mirror, Matte |
| Plates | 304, 316, 321, 409, Duplex, Super Duplex | 6 mm – 100 mm | 6 – 100 mm | Up to 2500 mm (custom) | 2000 – 12000 mm | ASTM A240, ASME SA240 | HR, Polished, Pickled | |
| Stainless Steel Flats | Flat Bars / Strips | 304, 316, 410, 420, Duplex | Width: 10 mm – 600 mm | Thickness: 3 – 100 mm | 10 – 600 mm | 2 – 6 m (custom lengths available) | ASTM A276, IS 1730 | Hot Rolled, Cold Drawn, Pickled, Polished |
| Stainless Steel Angles / Channels | Equal Angles | 304, 316, 202, Duplex | 20×20 – 150×150 mm | Thickness: 3 – 20 mm | 20 – 150 mm (leg) | 2 – 12 m | ASTM A276, IS 808 | HR, Pickled, Shot Blasted |
| Unequal Angles | 304, 316, Duplex | 40×20 – 200×100 mm | 3 – 20 mm | 20 – 200 mm (leg) | 2 – 12 m | ASTM A276, EN 10056 | HR, CR, Galvanized | |
| Channels (C / U) | 304, 316, 202, Duplex | Depth: 40 – 400 mm | Thickness: 4 – 20 mm | Flange Width: 20 – 100 mm | 2 – 12 m | ASTM A276, IS 2062 | HR, Polished, Pickled |
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 | 500 – 750 | MPa (varies with grade: 304 / 316 / 410 etc.) |
| Yield Strength | 200 – 350 | MPa |
| Hardness | 150 – 220 | HB (Brinell) |
| Elongation | ≥ 35 | % |
| Density | 7.9 | g/cm³ |
| Impact Toughness | ≥ 70 | J (Charpy) |
| Modulus of Elasticity (E) | ~200 | GPa |
| Fatigue Strength | 250 – 350 | MPa |
| Corrosion Resistance | Excellent (austenitic SS grades like 304/316) | – |
| Thermal Conductivity | 14 – 16 | W/m·K |
| Coefficient of Thermal Expansion | 16 – 17 ×10⁻⁶ | /°C |
| Yield Ratio (YS/UTS) | 0.38 – 0.50 | – |
| Poisson’s Ratio | 0.27 – 0.30 | – |
| Brinell Hardness Range | 150 – 220 | HB |
| Surface Finish | Mill finish / Polished (Ra ≤ 0.8 μm for precision use) | – |
| Operating Temperature Range | -196 to 870 | °C (grade dependent) |
| Forms Covered | Rods/Bars, Sheets/Plates, Flats, Angles/Channels | – |
Applications of SS Raw Materials
Construction &
Infrastructure
Automotive & Heavy
Equipment
Manufacturing &
Fabrication
Medical & Laboratory
Equipment
Electrical &
Electronics Assembly
Oil, Gas & Petrochemical
Installations
Do you have questions?
What grades of SS raw materials are most commonly used?
What is the difference between SS sheets and SS plates?
Are stainless steel flats and angles customizable?
Which stainless steel grade is best for corrosion resistance?
