Stainless Steel 347H Tubes from Krygen Metalloys are engineered for high-performance applications where strength, heat resistance, and corrosion protection are essential. As established manufacturers, suppliers, stockists, and exporters, the company delivers precision-engineered tubing that meets rigorous international standards. The 347H grade, stabilized with niobium, offers enhanced creep resistance and mechanical strength at elevated temperatures, making it an excellent choice for demanding environments. Every tube is produced with meticulous attention to dimensional accuracy and surface finish, ensuring reliable performance in critical systems.
The superior qualities of these tubes make them a preferred material in the oil and gas industry, where equipment faces extreme temperature fluctuations and corrosive media. In petrochemical plants, Stainless Steel 347H Tubes handle high-pressure steam, aggressive chemicals, and long operating cycles without losing integrity. Their excellent oxidation resistance up to 870°C allows them to perform exceptionally well in heat exchangers, boilers, and furnace components, where other materials might fail prematurely. Krygen Metalloys ensures that every delivery aligns with both ASTM and ASME specifications, offering assurance of quality and consistency.
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Construction projects benefit from these tubes’ robustness and long service life, reducing maintenance costs and downtime. In food processing, where hygiene and non-reactivity are critical, Stainless Steel 347H Tubes offer a clean, corrosion-resistant solution for conveying liquids and gases without risk of contamination. Their smooth internal surfaces prevent product buildup, making them easier to clean and maintain. The same reliability makes them ideal for pharmaceutical manufacturing, where sterile conditions and precision are non-negotiable.
One of Krygen Metalloys’ strengths lies in its ability to maintain a ready stock of Stainless Steel 347H Tubes in a variety of sizes, wall thicknesses, and finishes. This capacity allows them to respond quickly to urgent requirements without compromising on quality. As stockists with a global distribution network, they can cater to projects of any scale, from small maintenance orders to large industrial installations. Timely delivery, backed by a robust logistics chain, ensures clients receive materials when and where they need them.
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The company’s role as trusted exporters means their Stainless Steel 347H Tubes are in service across continents, trusted by engineers and project managers in some of the most demanding environments. Whether for a refinery upgrade in the Middle East, a petrochemical expansion in Southeast Asia, or a pharmaceutical facility in Europe, Krygen Metalloys maintains the same high level of product integrity. Their adherence to ISO-certified quality management systems ensures that each tube is fully traceable, tested, and ready for immediate deployment.
Ultimately, choosing Stainless Steel 347H Tubes from Krygen Metalloys is an investment in reliability and long-term value. The combination of technical expertise, adherence to global standards, and dedication to customer service makes them a standout choice among manufacturers, suppliers, stockists, and exporters. Backed by years of industry experience, they deliver more than just products—they provide solutions that keep operations running smoothly, safely, and efficiently, no matter the challenge.
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Stainless Steel 347H Tubes Specification
Specifications | ASTM A213, A312, A269, A358 / ASME SA213, SA312, SA269, SA358 |
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Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Type | Seamless / ERW / Welded / Fabricated / CDW |
Form | Round Tubes, Square Tubes, Rectangular Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
Length | Single Random, Double Random & Required Length |
End | Plain End, Beveled End, Treaded |
Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Tubes, Finish as per customer Requirements |
Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Mechanical Properties of Stainless Steel 347H Tubes
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
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Rockwell B (HR B) max | Brinell (HB) max | ||||
347H | 515 | 205 | 40 | 92 | 201 |
Chemical Composition of Stainless Steel 347H Tubes
Grade | Si | C | P | Mn | S | Cr | N | Ni | Co + Ta | |
---|---|---|---|---|---|---|---|---|---|---|
347H | Min | - | 0.04 | - | - | - | 17.0 | - | 9.00 | 8xC min |
max | 1.00 | 0.10 | 0.045 | 2.00 | 0.030 | 19.0 | - | 13.00 | 1.00max |
Application of Stainless Steel 347H Tubes
