Steelage Alloys is a well-known name in the field of SS 304 Seamless Pipe manufacturing and supply in India. With years of experience and advanced technology, the company has become a reliable source for stainless steel seamless and welded pipes, tubes, fittings, and flanges. we use top-grade raw materials and advanced manufacturing processes to ensure the highest standards of quality. Our SS 304 seamless pipes are known for their durability, corrosion resistance, high strength, and excellent surface finish, making them ideal for critical applications in industries like oil & gas, petrochemicals, pharmaceuticals, food processing, and construction.
SS 304 seamless pipes represent the backbone of modern industrial piping due to their corrosion resistance, strength, and versatility. These pipes are manufactured from austenitic stainless steel containing 18% chromium and 8% nickel, making them ideal for high-temperature and high-pressure conditions as well as environments requiring high hygiene and reliability. Seamless pipes are manufactured without any welding or joints, ensuring consistent mechanical properties and leak-proof performance.
| Property | Details (SS 304) |
|---|---|
| Outer Diameter (OD) | 6.35 to 114.3 mm |
| Wall Thickness | 0.8 to 12.7 mm |
| Length | Up to 26 meters |
| Density | 8.0 g/cm³ |
| Tensile Strength | 515 MPa (min.) |
| Yield Strength | 205 MPa (min.) |
| Elongation | 35% |
| Melting Point | 1400°C |
| Standards | ASTM A312 / A213 / A358 etc. |
| Finishes | Polished, Matt, Annealed |
| Schedule | 10, 40, 80 (varied as per spec) |
The strength and corrosion resistance of SS 304 pipes come from their unique composition:
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 10.5 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
Manufacturers supply SS 304 seamless pipes in an extensive range of sizes and schedules, consistently adhering to international quality specifications:
| Property | Range |
|---|---|
| Outer Diameter (OD) | 6.35 to 114.3 mm |
| Wall Thickness | 0.8 to 12.7 mm |
| Length | Up to 26 m |
| Pipe Sizes | 1/8” to 26” OD |
| Property | Value |
|---|---|
| Tensile Strength (min) | 515 MPa |
| Yield Strength 0.2% Proof (min) | 205 MPa |
| Elongation (% in 50 mm, min) | 40 |
| Hardness (Rockwell B, max) | 92 |
| Hardness (Brinell, max) | 201 |
| Density | 8.0 g/cm³ |
| Modulus of Elasticity | 193 GPa |
| Melting Point | ~1400°C |
Steelage Alloys ensures safe and secure delivery of pipes. Each pipe is packed using:

Formula: m = (OD - THK) × THK (mm) × L (m) × ρ (g/cm³) × π ÷ 1000
OD = Outside Diameter, THK = Wall Thickness, L = Length
ρ = Density, π = 3.1415926...
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