Mitchell Stainless is a reliable manufacturer and supplier of top-notch Stainless Steel 347H Pipes based in Hamilton, New Zealand, designed to meet the rigorous demands of various industries. Renowned for their precision engineering and unwavering quality, the company provides pipes that excel in high-temperature and high-pressure settings. Stainless Steel 347H is a stabilized austenitic grade, specially formulated for enhanced creep strength and resistance to intergranular corrosion. By blending cutting-edge manufacturing techniques with stringent quality control, Mitchell Stainless ensures their products meet international standards. With a strong focus on customer satisfaction, prompt delivery, and technical know-how, they cater to the energy, petrochemical, and heavy engineering sectors throughout New Zealand.
| International Specification | ASTM A312/ ASME SA 312 TP 347H |
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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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Stainless Steel 347H Pipes are primarily made up of chromium and nickel, with columbium (niobium) included to stabilize against carbide precipitation. The increased carbon content compared to standard 347 enhances high-temperature strength and creep resistance. Mechanically, these pipes boast impressive tensile and yield strength, along with good ductility and toughness, even at elevated temperatures. They maintain their structural integrity under prolonged heat exposure and resist oxidation and corrosion. These well-balanced properties make 347H pipes ideal for demanding thermal and mechanical service conditions.
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.
Mitchell Stainless is a leading supplier, and stockist of high-quality Stainless Steel 347H Pipes in Hamilton, New Zealand. 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.
Stainless Steel 347H Pipes find extensive use in applications that require continuous or intermittent high-temperature service. They are commonly utilized in heat exchangers, superheaters, reheaters, and furnace components within power generation plants. Additionally, these pipes are essential in petrochemical processing, oil and gas refineries, and the chemical industry, where resistance to oxidation and intergranular corrosion is crucial. Furthermore, they are well-suited for high-stress environments, ensuring reliability and performance in various demanding applications.
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