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Stainless Steel 347H Pipes are piping solutions crafted from alloy 347H, a high carbon version of stainless steel 347. These pipes offer exceptional resistance to high temperatures and corrosion, making them suitable for use in industries such as petrochemicals, refineries, and thermal processing units. With elevated carbon content, they provide enhanced strength and durability in demanding environments. Stainless steel 347H pipes are known for their longevity, reliability, and versatility in various applications requiring robust corrosion resistance and elevated temperature stability.
Dimensions | : | ASTM, ASME and API |
---|---|---|
Standard | : | ASTM A312 / ASME SA312 |
Size | : | 1/8″NB TO 30″NB IN |
Specialized in | : | Large Diameter Size |
Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Form | : | Round, Square, Rectangular, Hydraulic Etc |
Type | : | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
Length | : | Single Random, Double Random & Cut Length. |
End | : | Plain End, Beveled End, Threaded |
Element | C | Cr | Mn | Ni | P | S | Si | Cb/Ta |
---|---|---|---|---|---|---|---|---|
347H | min: 0.04 max: 0.10 | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.03 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
Grade | Density | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | 347H | 8.0 g/cm3 | 515 | 40 | 205 | – |
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We offer These Stainless Steel 347H Pipe as per DIN, ISO, JIS or ANSI Standard.
Stainless Steel 347 Pipe applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Stainless Steel 347 Pipes are highly resistant to rust and corrosion due to their chromium and nickel content. However, under certain extreme conditions such as prolonged exposure to high temperatures or highly corrosive environments, there may be a risk of localized corrosion, such as pitting or crevice corrosion. Proper maintenance and avoidance of harsh conditions can help minimize the risk of rusting, ensuring the longevity and performance of stainless steel 347 pipes.
To maintain stainless steel 347 pipes, regularly clean them with mild soap and water to remove surface contaminants and debris. Avoid harsh or abrasive cleaners that could damage the protective oxide layer. Inspect the pipes periodically for signs of corrosion or damage, especially in high-temperature or corrosive environments. Address any issues promptly to prevent further deterioration. Additionally, consider applying a protective coating or passivation treatment to enhance corrosion resistance. Proper handling and storage can also help maintain the integrity of the pipes.
Yes, stainless steel 347 pipes can be welded using commonly used welding techniques such as TIG (tungsten inert gas) welding, MIG (metal inert gas) welding, and SMAW (shielded metal arc welding). However, it’s important to use low heat input and suitable filler materials to prevent sensitization and preserve corrosion resistance. Preheating and post-weld heat treatment may be necessary to minimize the risk of intergranular corrosion and ensure the integrity of the weld joint. Overall, proper welding procedures and precautions should be followed to achieve strong and durable welds in stainless steel 347 pipes.
Stainless steel 347 pipes are sized based on their nominal pipe size (NPS), which refers to the approximate inside diameter. Common sizes range from 1/8 inch to 36 inches in diameter. Additionally, stainless steel pipes are typically specified by their schedule, which indicates the wall thickness. Standard schedules include SCH 5, SCH 10, SCH 40, and SCH 80, among others. The selection of pipe size depends on factors such as flow rate, pressure requirements, and compatibility with existing piping systems.
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