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Stainless Steel

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Stainless Steel

Stainless Steel is a highly durable and corrosion-resistant alloy, widely recognized for its strength, versatility, and clean finish. It is commonly used across various industries, including construction, automotive, aerospace, and food processing, due to its excellent resistance to rust, staining, and extreme temperatures. With a high strength-to-weight ratio and ease of fabrication, stainless steel is ideal for both structural and decorative applications. At Kaustubh Enterprises, we supply premium quality stainless steel sheets and components that meet stringent industry standards, ensuring long-lasting performance and reliability.

Stainless Steel is a strong, corrosion-resistant alloy known for its durability, clean appearance, and long-lasting performance. It is widely used in industries such as construction, automotive, aerospace, and food processing due to its resistance to rust, heat, and chemical damage. Stainless steel offers an excellent strength-to-weight ratio and is ideal for both functional and decorative applications. At Kaustubh Enterprises, we provide high-quality stainless steel sheets and components that meet industry standards and ensure reliability in demanding environments.

SS 304 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.08
Manganese (Mn) ≤ 2.00
Silicon (Si) ≤ 1.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.03
Chromium (Cr) 18.0 – 20.0
Nickel (Ni) 8.0 – 10.5
Iron (Fe) Balance
SS 304 Mechanical Properties
Property Value Unit
Tensile Strength (UTS) 520–720 MPa
Yield Strength (0.2% Proof) ≥ 205 MPa
Elongation ≥ 40 %
Hardness (Brinell) ≤ 201 HB
SS 202 Chemical Composition
Element Content (%)
Iron (Fe) Balance
Chromium (Cr) 17–19
Manganese (Mn) 7.5–10
Nickel (Ni) 4–6
Silicon (Si) ≤ 1.0
Nitrogen (N) ≤ 0.25
Carbon (C) ≤ 0.15
Phosphorus (P) ≤ 0.06
Sulfur (S) ≤ 0.03
SS 202 Mechanical Properties
Property Value Unit
Tensile Strength (UTS) ≈ 515 MPa
Yield Strength (0.2% off.) ≈ 275 MPa
Elongation at Break ≈ 40 %
Elastic Modulus ~207 GPa
Poisson’s Ratio 0.27–0.30 –
SS 304 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.08
Silicon (Si) ≤ 1.00
Manganese (Mn) ≤ 2.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.03
Chromium (Cr) 17.5 – 19.5
Nickel (Ni) 8.0 – 10.5
Nitrogen (N) ≤ 0.11
Iron (Fe) Balance
SS 304 Mechanical Properties
Property Value Unit
Tensile Strength (UTS) 515 – 750 MPa
Yield Strength (0.2 % proof) ≥ 205 MPa
Elongation (A₅, 50 mm) ≥ 40 %
Hardness (Brinell) ≤ 201 HB
Elastic Modulus ~193–200 GPa
SS 316 / 316L Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.08 (316), ≤ 0.03 (316L)
Silicon (Si) ≤ 0.75 
Manganese (Mn) ≤ 2.00 
Phosphorus (P) ≤ 0.045 
Sulfur (S) ≤ 0.03 
Chromium (Cr) 16.0 – 18.5 
Nickel (Ni) 10.0 – 13.0 
Molybdenum (Mo) 2.0 – 2.5 
Nitrogen (N) ≤ 0.10–0.11 
Iron (Fe) Balance
SS 316 Mechanical Properties (Annealed Sheet/Plate)
Property Value Unit
Tensile Strength (UTS) 500 – 700 MPa
Yield Strength (0.2 %) ≥ 205 MPa
Elongation (A₅, 50 mm) ≥ 40 %
Hardness (HB) ≤ 215 HB
Elastic Modulus 193 – 200 GPa
SS 409 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.03
Silicon (Si) ≤ 1.00
Manganese (Mn) ≤ 1.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.015
Chromium (Cr) 10.5 – 12.5
Titanium (Ti) ≈ 6×(C+N) stabilizer
Iron (Fe) Balance
SS 409 Mechanical Properties
Property Value Unit
Tensile Strength (Rm) 390 – 560 MPa
Yield Strength (Rp0.2) ≥ 210 – 220 MPa
Elongation (A80 mm) ≥ 25 %
Hardness (Brinell HB) ≤ 180 HB
Elastic Modulus ~200 GPa
SS 410 Chemical Composition
Element Content (%)
Carbon (C) 0.08 – 0.15
Chromium (Cr) 11.5 – 13.5
Nickel (Ni) ≤ 0.75
Manganese (Mn) ≤ 1.00
Silicon (Si) ≤ 1.00
Phosphorus (P) ≤ 0.04
Sulfur (S) ≤ 0.03
Iron (Fe) Balance
SS 410 Mechanical Properties (Annealed)
Property Value Unit
Tensile Strength (UTS) 450 – 554 MPa
Yield Strength (0.2 % off.) ≥ 205 MPa
Elongation 20 – 40 %
Hardness (Brinell) ≤ 217 HB
Elastic Modulus ~200 GPa
A‑286 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.08
Manganese (Mn) ≤ 2.00
Silicon (Si) ≤ 1.00
Phosphorus (P) ≤ 0.025
Sulfur (S) ≤ 0.025
Chromium (Cr) 13.50 – 16.00
Nickel (Ni) 24.00 – 27.00
Molybdenum (Mo) 1.00 – 1.50
Titanium (Ti) 1.90 – 2.35
Vanadium (V) 0.10 – 0.50
Aluminum (Al) ≤ 0.35
Boron (B) 0.003 – 0.010
Iron (Fe) Balance
A‑286 Mechanical Properties (Aged Condition)
Property Value Unit
Tensile Strength ≈ 1035 MPa
Yield Strength (0.2 %) ≈ 759 MPa
Elongation at Break ~25 %
Hardness (Brinell) ≈ 304 HB
SS 439 Chemical Composition
Element Content (%)
Chromium (Cr) 17.0 – 19.0
Titanium (Ti) ≥ 0.20 + 4×(C+N), up to ~0.75
Carbon (C) ≤ 0.03
Manganese (Mn) ≤ 1.00
Silicon (Si) ≤ 1.00
Nickel (Ni) ≤ 0.50
Phosphorus (P) ≤ 0.040
Sulfur (S) ≤ 0.030
Nitrogen (N) ≤ 0.030
Aluminium (Al) ≤ 0.15
SS 439 Mechanical Properties (Annealed)
Property Value Unit
Tensile Strength (UTS) ~455 MPa
Yield Strength (0.2 %) ~295 – 320 MPa
Elongation (A₅, 50 mm) ≥ 20 %
Hardness ~160 Vickers (~183 HB)
Elastic Modulus ~193 – 200 GPa
SS 436 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.12
Manganese (Mn) ≤ 1.00
Silicon (Si) ≤ 1.00
Chromium (Cr) 16.0 – 18.0
Nickel (Ni) ≤ 0.50
Molybdenum (Mo) 0.75 – 1.25
Titanium (Ti) [Cb+Ta] ≥ 5×(C+N), up to 0.70
Phosphorus (P) ≤ 0.040
Sulfur (S) ≤ 0.030
Iron (Fe) Balance
SS 436 Mechanical Properties (Annealed)
Property Approx Range Unit
Tensile Strength (UTS) ~531 MPa
Yield Strength (0.2 % offset) ~365 MPa
Elongation at Break ~22 %
Hardness (Rockwell B max) ~89 RB
Elastic Modulus ~200 GPa
SS 441 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.03
Silicon (Si) ≤ 1.00
Manganese (Mn) ≤ 1.00
Phosphorus (P) ≤ 0.04
Sulfur (S) ≤ 0.015
Chromium (Cr) 17.5 – 18.5
Titanium (Ti) 0.10 – 0.60
Niobium (Nb) 0.30 + 3×C up to 1.00
Nickel (Ni) ≤ 1.00
Iron (Fe) Balance
SS 441 Mechanical Properties (Annealed, Sheet/Plate)
Property Value Unit
Tensile Strength (Rm) 430 – 640 MPa
Yield Strength (Rp₀.₂) ≥ 230 MPa
Elongation (A₅, 50 mm) ≥ 18 %
Hardness (Brinell) ≤ 200 HB
Elastic Modulus (E) ~200 GPa
SS 321 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.08
Silicon (Si) ≤ 1.00
Manganese (Mn) ≤ 2.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.030
Chromium (Cr) 17.0 – 19.0
Nickel (Ni) 9.0 – 12.0
Titanium (Ti) ≥ 5×C (max 0.70)
Iron (Fe) Balance
SS 321 Mechanical Properties
Property Value Unit
Tensile Strength (Rm) 515 min MPa
Yield Strength (Rpâ‚€.â‚‚) 205 min MPa
Elongation (A₅, 50 mm) ≥ 40%
Hardness (Brinell) ≤ 217 HB
Elastic Modulus (E) ~193 GPa
SS 310 Chemical Composition
Element Content (%)
Carbon (C) ≤ 0.25
Silicon (Si) ≤ 1.50
Manganese (Mn) ≤ 2.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.030
Chromium (Cr) 24.0 – 26.0
Nickel (Ni) 19.0 – 22.0
Iron (Fe) Balance
SS 310 Mechanical Properties
Property Value Unit
Tensile Strength (Rm) 520 min MPa
Yield Strength (Rpâ‚€.â‚‚) 205 min MPa
Elongation (A₅, 50 mm) ≥ 40%
Hardness (Brinell) ≤ 217 HB
Elastic Modulus (E) ~200 GPa