Pratik Pipe & Fittings is a dependable stockholder, producer, and supplier of stainless steel 347H Tubes. SS 347H Tubes in both seamless and welded form can be supplied in both OD and NB dimensions. As part of a range of conventional dimensions in our stocks, custom dimensions of 347H cold drawn seamless tubes can be produced and delivered directly from our unit in case a range of conventional dimensions is not in your requirements. For both 6-meter-long randoms and accurately cut sections, in terms of your requirements, our solutions can be designed and delivered.
Stainless Steel 347H is an austenitic nickel-chromium stainless steel with a high carbon content in comparison to SS 347 grade. Because of its high composition, it is most ideally suited for high-temperature applications, with a rise in its tensile and yield strengths. Stainless Steel 347H is most recommended for use in ASME pressure vessels at temperatures in excess of 525°C, with its high-temperature-resistant and stable behavior.
Aside from its high-temperature use, SS 347H Tubes exhibit high corrosion resistance, specifically in intergranular and oxidizing environments. For such a reason, it is a first-rate choice for application in chemical processing industries, heat exchangers, and refinery processes in high-severity cases in environments. In addition, its high formability and weldability make fabrication an easy and convenient one, and it can integrate flawlessly into any form of industrial system.
We at Pratik Pipe & Fittings value the accuracy, quality, and happiness of our customers. All Stainless Steel 347H Tubes pass through rigorous testing for quality to provide high-performance mechanical properties, long-term performance, and thermal fatigue-resistant performance. For high-performance operations, high-performance environments, and harsh industrial environments, our stainless steel pipe solutions stand strong and at an affordable price, specifically designed for your use.
Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
Size | Seamless 347H Pipes and Tubes - 1/2" NB - 16" NB |
ERW 347H Pipes and Tubes | 1/2" NB - 24" NB |
EFW 347H Pipes and Tubes | 6" NB - 100" NB |
Wall Thickness | Schedule 5S - Schedule XXS. |
Dimensions | ASTM, ASME and API |
Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
Length | Single Random, Double Random & Cut Length. |
Form | Round, Square, Rectangular, Hydraulic Etc. |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
347H | 515 | 205 | 40 | 92 | 201 |
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 |
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