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Home > Stainless Steel > Stainless Steel 347 and 347H Welded Tubing
To those who know the value of long-lasting performance, welcome to Lathief Pipes. Based in the industrial heart of Safat, Kuwait, we specialize in sourcing and supplying premium Stainless Steel 347/347H Welded Tubing. This is a specialist grade designed for resilience under pressure, especially in high-temperature environments where others might fail. We understand that your projects demand materials that guarantee integrity, and we are committed to providing the robust solutions needed for critical applications across various demanding industries. Our focus is on delivering quality you can build upon.
The composition of this tubing centers on austenitic steel, enriched with chromium and nickel for excellent corrosion resistance. Its defining feature is the addition of niobium, which provides exceptional strength and resistance against intergranular corrosion. This is especially vital after exposure to high temperatures. Mechanically, Stainless Steel 347/347H Welded Tubing offers impressive tensile and yield strength, with the “H” variant specifically designed to withstand higher temperatures without compromising its structural integrity, making it a reliable choice for demanding conditions.
Welded Tubes Size : 1 / 8″ NB – 24″ NB
Specifications : ASTM A/ASME SA213, A249, A269, A312, A358
Standard : ASTM, ASME and API
Length : Single Random, Double Random & Required Length
Outer Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
Thickness : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types : Welded
Form : Round Tubes, Square Tubes, Rectangular Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
End : Plain End, Beveled End, Treaded
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choose Stainless Steel 347 and 347H Welded Tubing from Lathief Pipes and Tubes for exceptional corrosion resistance, superior strength and excellent durability. Ideal for a variety of industrial applications it provides outstanding performance in harsh environments. With precision manufacturing and quality assurance, we ensure reliable and durable tubing solutions.
Lathief Pipes and Tubes is the largest supplier of Stainless Steel 317 and 317L Welded Tubing in Safat, Kuwait. Known for its high-quality products. We offer superior corrosion resistance, strength, and durability. Trusted by industries worldwide they provide reliable precision-engineered tubing for various applications and project needs.
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | X6CrNiNb18-12 |
Yes, Lathief Pipes and Tubes offer large custom designs for Stainless Steel 347 and 347H Welded Tubing. With design, wall thickness and length. Their adjustable options ensure the tubing meets specific application requirements. This flexibility makes it more efficient and reliable for different industries and environments. For more details, contact us at sales@lathiefpipes.com.
Stainless Steel 347 and 347H Welded Tubing finds wide application in heat exchangers, boilers, superheaters, pressure vessels, and exhaust systems where resistance to stress rupture and thermal fatigue is critical. Grade 347 is used in welded applications where precipitation of carbides should be avoided, whereas 347H is designed for systems subjected to long-term high-temperature service. These welded tubes prove to be a suitable option for corrosive and pressure applications with a reliable solution under long service periods where durability, heat resistance, and structural integrity are called for.
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