Located in Hyderabad, India, Dhruv Metals is a top producer and supplier of premium stainless steel 347H hex bars, providing dependable and effective solutions for demanding industrial applications. Stainless Steel 347H is a stabilised austenitic alloy that is specifically made for high-temperature settings and offers exceptional resistance to creep stress and intergranular corrosion. Dhruv Metals uses sophisticated manufacturing techniques and stringent quality control standards to guarantee that every hex bar is expertly crafted. Widely utilised in the chemical processing, petrochemical, aerospace, and power generation sectors, Dhruv Metals provides reliable quality, timely delivery, and tailored specifications to satisfy its customers’ changing needs.
Iron serves as the base for stainless steel 347H Hex Bars, which are stabilised by columbium (niobium), nickel (9–13%), carbon (0.04–0.10%), and chromium (17–20%). Excellent resistance to intergranular corrosion and high-temperature oxidation is provided by this alloy. Tensile strength of roughly 515 MPa, yield strength of roughly 205 MPa, and elongation of roughly 40% are the typical mechanical characteristics. The 347H grade is perfect for high-pressure and high-heat service environments because it has better creep and stress rupture resistance than 304 or 321 grades. It also maintains structural integrity under mechanical stress and thermal cycling.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 347h | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-13.0 | 0.045 max. | 0.03 max. | 0.75 max |
| Element | Density | Melting Range,℃ | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| SS 347h | 7.96 | 1450 ℃ | 515 | 205 | 40 | 201 |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Industries that need high-temperature strength, resistance to oxidation, and structural stability frequently use stainless steel 347H hex bars. They are utilised in reactor vessels, reformer tubes, and heat exchangers in the petrochemical and refining industries. They are used for boiler tubes and superheaters in power plants. They are used in turbine parts and exhaust systems in the aerospace sector. These bars are used in the chemical processing industry to handle corrosive media in pressure vessels and piping systems. They are appropriate for structural supports, shafts, fasteners, and precision-engineered components in demanding environments because of their hexagonal shape, which makes them simple to machine and fasten.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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