Labdhi Metals is a reputed manufacturer, stockist, and exporter of high-quality Stainless Steel 347 Round Bars, widely used in applications requiring high strength, corrosion resistance, and resistance to intergranular corrosion at elevated temperatures. Stainless Steel 347 is a niobium-stabilized austenitic stainless steel that provides excellent performance in high-temperature environments, especially in post-weld applications. Labdhi Metals manufactures these round bars with precision, ensuring dimensional accuracy and exceptional surface finish.
SS 347 Round Bar is preferred over SS 304 or SS 321 in environments that involve repeated exposure to temperatures ranging from 427°C to 899°C. The addition of niobium (Nb) in SS 347 prevents chromium carbide precipitation during welding, thus eliminating the risk of intergranular corrosion. Labdhi Metals offers SS 347 round bars in various finishes such as black, bright, rough turned, and polished, suitable for use in industries like aerospace, chemical processing, petroleum refining, and thermal processing.
The company supplies SS 347 round bars in a wide range of sizes, diameters, and custom lengths, catering to the needs of engineering, structural, and machining applications. The bars are manufactured as per international standards including ASTM A276, A479, and ASME SA276, and are available in both hot-rolled and cold-drawn conditions. Labdhi Metals also ensures that all products undergo rigorous testing for hardness, mechanical strength, and corrosion resistance before dispatch.
As a reliable stockist, Labdhi Metals maintains a robust inventory of SS 347 round bars to cater to urgent orders and bulk project requirements. The company exports to numerous countries including the USA, Germany, UAE, Saudi Arabia, South Africa, and more. All exports come with Mill Test Certificates (MTCs), third-party inspection reports, and full compliance with client and international standards. Labdhi Metals is committed to providing competitive pricing, timely delivery, and exceptional customer service.
Standard | ASTM A276 / ASTM A479 / ASME SA276 |
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Grade | Stainless Steel 347 |
Size Range | 5 mm to 500 mm dia |
Length | 100 mm to 6000 mm or custom cut |
Finish Types | Black, Bright, Peeled, Polished |
Forms Available | Hot Rolled, Cold Drawn, Centerless Ground |
With a strong focus on quality control, certified manufacturing processes, and advanced infrastructure, Labdhi Metals continues to be a trusted name in the stainless steel market. Their SS 347 round bars are known for their weldability, creep strength, and ability to withstand aggressive environments, making them a reliable choice for demanding applications worldwide.
Element | SS 347 (%) |
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Carbon (C) | ≤ 0.08 |
Manganese (Mn) | ≤ 2.00 |
Silicon (Si) | ≤ 1.00 |
Phosphorus (P) | ≤ 0.045 |
Sulfur (S) | ≤ 0.030 |
Chromium (Cr) | 17.0 – 19.0 |
Nickel (Ni) | 9.0 – 13.0 |
Niobium (Nb + Ta) | ≤ 1.0 |
Property | SS 347 |
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Tensile Strength (MPa) | ≥ 515 |
Yield Strength (MPa) | ≥ 205 |
Elongation (%) | ≥ 30 |
Hardness (HRB) | ≤ 95 |