Khaleed Stainless is a reliable manufacturer and supplier of Stainless Steel 347H Pipes based in Riyadh, Saudi Arabia. These pipes are celebrated for their impressive high-temperature strength and exceptional corrosion resistance, making them perfect for pressure systems, boilers, and heat exchangers in tough environments. Stabilized with columbium, 347H pipes are built for long-lasting performance even in high-heat conditions. We offer a variety of sizes and wall thicknesses, ensuring our 347H stainless steel pipes meet international quality standards. At Khaleed Stainless, we take pride in delivering precision-engineered piping solutions throughout Saudi Arabia and the Middle East, backed by dependable service and expert technical support.
Stainless Steel 347H Pipes are made up of iron, 17–20% chromium, 9–13% nickel, and are stabilized with columbium (niobium). The “H” grade is known for its higher carbon content (0.04–0.10%), which enhances creep resistance and high-temperature strength. This material boasts excellent mechanical properties, including a tensile strength ranging from 550 to 750 MPa, and maintains its structural integrity even under prolonged thermal exposure. It also resists intergranular corrosion after welding or heat treatment, making it a top choice for high-pressure and high-temperature applications in demanding environments.
| International Specification | ASTM A312/ ASME SA 312 TP 347H |
| Seamless Pipes Size |
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| Welded Pipe Size |
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| EFW Pipe Size |
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| Wall Thickness | Schedule 5, Schedule 40, Schedule10, Schedule 80, Schedule 160, Schedule 80S, Schedule XXS, Schedule XS |
| techniques | EFW/ Seamless / ERW / Welded / LSAW/ Fabricated / Seam-Welded / CDW/ Redrawn |
| Form | Round, Square, Rectangular |
| Length | Double Random & Required Length End, Single Random, Plain End, Treaded, Beveled End |
| Condition | Hot Finished, Annealed and Pickled, Bright Annealed, Polished, Cold Drawn |
| Stainless Steel | Nickel | Magnesium | Silicon | sulfur | Carbon | Chromium | Phosphorus | Molybdenum | Nitrogen | |
| 347H | Minimum | 9 | 00.04 | 17 | 3 | |||||
| Maximum | 13 | 2 | 1 | 00.030 | 00.10 | 19 | 00.045 | 4 | ||
| SS Grade | Tensile Strength | Yield Strength | Elongation | Hardness | |
| Rockwell B | Brinell | ||||
| SS 347H | 515 | 205 | 40 | 92 | 201 |
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At Khaleed Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 347H Pipes in Riyadh, Saudi Arabia. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Saudi Arabia, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.
Stainless Steel 347H Square Pipes provide excellent corrosion resistance and are ideal for structural applications. They typically come in sizes ranging from 1 inch to 6 inches, offering a high-strength option for various industrial and architectural needs.
SS 347H Seamless Pipes are known for their superior corrosion resistance and are suitable for high-temperature applications. They are available in sizes from 1/2 inch to 12 inches in diameter, ensuring durability under stress and high pressure.
Stainless Steel 347H ERW Pipes offer good corrosion resistance and are produced using electric resistance welding. They come in 1 inch to 24 inches, making them suitable for fluid transportation and structural support.
SS 347H LSAW Pipes feature excellent corrosion resistance and are used for high-pressure applications. Available in sizes ranging from 6 to 60 inches in diameter, they are ideal for large-scale industrial projects.
Stainless Steel 347H Round Pipes provide robust corrosion resistance and are versatile for various applications. Commonly available in sizes from 1/2 inch to 12 inches in diameter, they are suitable for both commercial and industrial uses.
Stainless Steel 347H Welded Pipes offer strong corrosion resistance and are manufactured by welding flat plates into cylindrical shapes. They are available in sizes from 1 inch to 24 inches and are suitable for a wide range of applications, including piping systems and structural components.
Khaleed Stainless is a leading supplier, and stockist of high-quality Stainless Steel 347H Pipes in Riyadh, Saudi Arabia. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
You’ll find Stainless Steel 347H Pipes widely used across various industries, including petrochemical, oil and gas, power generation, and heat treatment. They are commonly found in superheater tubes, boiler components, furnace parts, and piping systems that face elevated temperatures. These pipes excel under cyclic heating and cooling, making them ideal for settings where thermal fatigue is a concern. With their outstanding weldability, oxidation resistance, and durability, 347H pipes promise a long service life and reliable performance in critical industrial systems.
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