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Home > Stainless Steel > Stainless Steel Garde > 301 Stainless Steel
301 stainless steel, known for its chromium-nickel composition, offers a high-strength alloy with notable stretch formability, excellent durability, and corrosion resistance. Primarily used in industries such as aerospace, automotive, and construction, this grade is magnetic when cold-worked and resistant to oxidation up to 1550°F (840°C). Solitaire Steel & Engineering LLP in Mumbai, India, provides 301 stainless steel products in various forms such as sheets, plates, tubes, pipes, bars, angles, channels, beams, and fittings, designed to meet stringent quality standards like ASTM A240, ASTM A666, and ASME SA240.
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| Element | Content (%) |
|---|---|
| Iron (Fe) | Balance |
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Carbon (C) | ≤ 0.15 |
| Nitrogen (N) | ≤ 0.10 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Property | Metric | Imperial |
|---|---|---|
| Density | 8.03 g/cm³ | 0.290 lb/in³ |
| Modulus of Elasticity | 193 GPa | 28,000 ksi |
| Thermal Expansion Coefficient (20–100°C) | 16.6 µm/m°C | 9.2 µin/in°F |
| Thermal Conductivity (100°C) | 16.3 W/m·K | 113 BTU in/hr·ft²·°F |
| Melting Range | 1399–1421°C | 2550–2590°F |
| Condition | Yield Strength (min.) | Tensile Strength (min.) | Elongation (min.) | Hardness (max.) |
|---|---|---|---|---|
| Annealed | 30 ksi (205 MPa) | 75 ksi (515 MPa) | 40% | Rockwell B 95 |
| ¼ Hard | 75 ksi (517 MPa) | 125 ksi (862 MPa) | 25% | – |
| ½ Hard | 110 ksi (758 MPa) | 150 ksi (1034 MPa) | 18% | – |
| ¾ Hard | 135 ksi (931 MPa) | 175 ksi (1207 MPa) | 12% | – |
| Full Hard | 140 ksi (965 MPa) | 185 ksi (1276 MPa) | 9% | – |
| Property | Metric | Imperial |
|---|---|---|
| Thermal Expansion (20-500°C) | 17.2 µm/m°C | 9.78 µin/in°F |
| Thermal Conductivity | 16.3 W/m·K | 113 BTU in/hr·ft²·°F |
| Specific Heat Capacity | 500 J/kg·K | 0.12 BTU/lb·°F |
| Property | Metric | Imperial |
|---|---|---|
| Electrical Resistivity | 27.4 µΩ·cm | – |
| Magnetic Permeability (Annealed) | ≤ 1.02 | – |
| Product Type | Standards | Sizes | Types | Applications |
|---|---|---|---|---|
| Sheets & Plates | ASTM A240, ASME SA240 | Thickness: 0.3mm – 100mm, Width: up to 2000mm | Hot Rolled, Cold Rolled | Automotive trim, structural components, kitchen equipment |
| Pipes & Tubes | ASTM A213, ASTM A249 | Diameter: 6mm – 1000mm | Seamless, Welded | Structural frameworks, industrial piping |
| Bars | ASTM A276 | Diameter: up to 100mm | Round, Square, Hex | Construction, machinery parts |
| Angles, Channels, Beams | ASTM A484, EN 10088-3 | Custom sizes available | L-Angles, U-Channels, I-Beams | Architectural applications, load-bearing supports |
| Fittings | ASTM A403 | Size: 1/2″ – 72″ | Buttweld, Socket Weld | Chemical processing, plumbing systems |
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