Stainless Steel 347 and 347H Electropolished Pipes

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Stainless Steel 347 and 347H Electropolished Pipes Manufacturer, Supplier and Exporter in Cape Town, South Africa

Bosega Pipes and Tubes, located in Cape Town, South Africa, stands out as a top manufacturer and supplier of Stainless Steel 347 and 347H Electropolished Pipes. These pipes are celebrated for their exceptional resistance to corrosion, impressive performance at high temperatures, and incredibly smooth internal finish. Thanks to a specialized electropolishing process, surface imperfections are eliminated, cleanliness is enhanced, and resistance to corrosion and contamination is significantly improved. Bosega caters to essential industries like pharmaceuticals, food processing, chemicals, and petrochemicals, where purity, hygiene, and performance are absolutely critical. Each pipe is crafted to meet international standards, ensuring they deliver consistent, reliable performance even in the most demanding conditions.

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Stainless Steel 347 is a stabilized austenitic stainless steel that includes niobium (columbium), which boosts its resistance to intergranular corrosion after welding. On the other hand, 347H is a high-carbon variant of 347, specifically designed to offer better creep strength and withstand higher temperatures. Both alloys provide remarkable mechanical strength, oxidation resistance, and stability in high-heat settings. The electropolished surface greatly reduces roughness, lowers the chances of contamination or bacterial growth, and enhances cleanability—an absolute must in ultra-pure systems. These pipes also maintain good weldability and formability while delivering a superior surface finish and corrosion resistance compared to standard polished or unpolished piping.

Stainless Steel 347 and 347H Electropolished Pipes Specification

Specifications	:	ASTM A/ASME SA249/A269/A270
Dimensions	:	ASTM, ASME, and API
SS 347 and 347H Pipes Size	:	1/8″NB TO 30″NB IN
Thickness	:	1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10
Finish	:	BA Finish inside and outside, Electropolished finish inside and outside
Type	:	Electropolished Pipes & Tubes
Form	:	Round, Square, Rectangular, Hydraulic Etc
Length	:	Up to 6 meters, custom cut lengths

SS 347 and 347H Electropolished Pipes Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Cb	Ni	Fe
SS 347	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 20.00	10xC – 1.10	9.00 – 13.00	62.74 min
SS 347H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	8xC – 1.10	9.0 -13.0	63.72 min

347 and 347H Stainless Steel Electropolished Pipes Mechanical Properties

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 %

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Stainless Steel 347 and 347H Electropolished Pipes from Bosega Pipes and Tubes?

Choosing Stainless Steel 347 and 347H Electropolished Pipes from Bosega Pipes and Tubes guarantees excellent corrosion resistance, high strength, and durability. Designed for diverse industrial applications, it delivers reliable performance in tough environments while maintaining competitive pricing for cost-effective solutions.

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Largest Stainless Steel 347 and 347H Electropolished Pipes Supplier in Cape Town, South Africa

Stainless Steel 347 and 347H Electropolished Pipes are perfect for cleanroom piping systems, pharmaceutical water lines, biotechnology process piping, semiconductor manufacturing, and high-purity gas and fluid transport systems. Their smooth, electropolished surface prevents product buildup, promotes laminar flow, and ensures optimal performance in critical applications.

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Equivalent Grades for Stainless Steel 347 and 347H Electropolished Pipes

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

Types of Stainless Steel 347 and 347H Electropolished Pipes

Are Custom Sizes Available for Stainless Steel 347 and 347H Electropolished Pipes?

We offer custom sizes for Stainless Steel 347 and 347H Electropolished Pipes to meet your specific needs. Our dedicated team at Bosega Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@bosegapipes.co.za.

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Stainless Steel 347 and 347H Electropolished Pipes are widely used in high temperature applications due to corrosion resistance and excellent strength Common applications include chemical process industry for handling corrosives, petrochemical plants for transportation of fuels and chemicals, steam line and heat exchanger power generation For aerospace components requiring high temperature resistance Also used in s sector and food processing and pharmaceuticals. In applications where hygiene and sanitation are of the utmost importance, their smooth surface reduces bacterial growth, making them ideal for detergents.