Stainless Steel 347 / 347H Buttweld Fittings Manufacturer and Supplier In Abuja, Nigeria

Tolu Fittings stands out as a top-notch manufacturer and supplier located in Abuja, Nigeria, specializing in high-quality **Stainless Steel 347/347H Buttweld Fittings** that excel in high-temperature and corrosive settings. These fittings are crafted with cutting-edge technology and premium raw materials, guaranteeing remarkable strength, durability, and precision. They’re designed to ensure reliable, leak-proof connections, making them perfect for situations where resistance to intergranular corrosion and oxidation is crucial. Tolu Fittings caters to various industries, including petrochemical, oil and gas, power generation, and chemical processing, all while adhering to international quality standards.

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Stainless Steel 347 / 347H Buttweld Fittings Specification

Specifications	ASME SA403 / ASTM A403
Dimension Standard	ASME/ANSI B16.9, MSS-SP-43/SP-79, ASME B16.28, ASME B16.25, ASME B16.49
Standard Size Range	1/2” NB TO 48” NB. (Fabricated, Seamless and 100% X-Ray Welded)
Manufacturing Type	Fabricated / Seamless / Welded / ERW
Bending Radius	R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or Custom
Wall Thickness / Schedule	SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS / 3mm – 40mm
End Connection	Butt Weld
Melting Point	1400-1450°C for (WP317)
Outside Diameter (OD)	Seamless / Buttweld Fitting ( 1/2″～48″), ERW / Welded / Fabricated Buttweld Fitting (1/2″～48″)
Value Added Services	Hot Dipped Galvanizing, Electro Polish, Sand Blasting, Epoxy & FBE Coating, Threading, Soldering
Other Standards	MSS SP-75, ISO, SNSI, JIS, DIN, GB, DIN2617, JISB2311, JISB2312, JISB2313 / T12459GB / T13401, SH3408, SH3409HG / T21635HG / T21631SY / T05010
Material Test Certificates (MTC)	As per EN 10204 3.2 and EN 10204 3.1, Certifying NACE MR0175, NACE MR0103
Materials	AISI 317
Two Halve / Two Joint Buttweld Fittings Size	6″ to 48″
Manufacturing Specification	ASME: ANSI B16.9, ANSI B16.28, ASME B16.25, MSS-SP-43, DIN: DIN2605, DIN2615, DIN2616, DIN2617, DIN28011, EN: EN10253-1, EN10253-2
A403 SS Seamless Fittings	Size: 15 NB to 300 NB \| Sch.& Swg: Sch.5 to Sch.XXs
A403 SS Welded Fittings	Size: 15 NB to 600 NB \| Sch.& Swg: Sch.5 to Sch.80s

The Stainless Steel 347/347H Buttweld Fittings are made up of chromium (17–19%), nickel (9–13%), and columbium (niobium), which helps stabilize the alloy against carbide formation during welding. The 347H version has a higher carbon content, boosting its strength at high temperatures and its resistance to creep. These fittings boast a tensile strength of about 515 MPa and a yield strength of roughly 205 MPa. They also offer excellent oxidation resistance up to 870°C, along with good ductility, toughness, and weldability.

Stainless Steel 347 / 347H Buttweld Fittings Chemical Composition

Element	C	Cr	Mn	Ni	P	S	Si	Cb/Ta
SS 347	0.08 max	min: 17.0 max: 20.0	2.0 max	min: 9.0 max: 13.0	0.04 max	0.30 max	0.75 max	min:10x C max: 1.0
SS 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

Stainless Steel 347 / 347H Buttweld Fittings Mechanical Properties

Grade	Tensile Strength ksi (MPa) min	Yield Strength 0.2% ksi offset ksi (MPa) min	Elongation (% in 50mm) min	Hardness (Brinell) MAX	Hardness (Rockwell B) MAX
347/347H	75 (515)	30 (205)	40	201	95

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Largest Stainless Steel 347 / 347H Buttweld Fittings Supplier in Abuja, Nigeria

Tolu Fittings is a leading supplier of Stainless Steel 347 Buttweld Fittings in Abuja, Nigeria. We offer an extensive range of Stainless Steel 347H Buttweld Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.

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

If You Are Looking To Buy High Quality

Stainless Steel 347 / 347H Buttweld Fittings Equivalent Grade

STANDARD	UNS	WNR.	EN	JIS	GOST
SS 347	S34700	1.4550	X6CrNiNb18-10	SUS 347	08Ch18N12B
SS 347H	S34709	1.4961	X6CrNiNb18-12	SUS 347H	–

Why Choose Stainless Steel 347 / 347H Buttweld Fittings from Tolu Fittings?

Stainless Steel 347 Buttweld Fittings from Tolu Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.

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Stainless steel 347 and 347H Buttweld Fittings provide excellent resistance to intergranular corrosion, making them ideal for high temperature applications These alloys contain columbium and tantalum to stabilize the material and prevent carbide precipitation during welding. They are highly resistant to oxidation, providing long-term durability under extreme conditions. Stainless steel 347 provides excellent woldability and is suitable for applications in industries such as aerospace, chemical processing, and electrical equipment. The high-carbon 347H variant provides good strength at high temperatures, making it ideal for high-pressure environments.

Types of Stainless Steel 347 / 347H Buttweld Fittings

Stainless Steel 347 / 347H Buttweld Fittings Dimensions Chart

Nominal Pipe Size (inches)	Outside Diameter		45°Elbows		90° Elbows		180° Returns
	Outside Diameter		Long Radius		Long Radius	Short Radius	Long Radius
	(mm)	(inches)	Center to Face (inches)	Radius (inches)	Center to Face (inches)	Center to Face (inches)	Center to Center (inches)	Back to face (inches)
1	33.4	1.315	7/8		1 1/2	1	3	2 3/16
1/2	21.3	0.840	5/8		1 1/2	–	2	1 7/8
3/4	26.7	1.050	7/16		1 1/8	–	2 1/4	1 11/16
1 1/4	42.2	1.660	1		1 7/8	1 1/4	3 3/4	2 3/4
1 1/2	48.3	1.900	1 1/8	3	2 1/4	1 1/2	4 1/2	3 1/4
2	60.3	2.375	1 3/8	4	3	2	6	4 3/16
2 1/2	73.0	2.875	1 3/4	5	3 3/4	2 1/2	7 1/2	5 3/16
3	88.9	3.500	2	6	4 1/2	3	9	6 1/4
3 1/2	101.6	4.000	2 1/4	7	5 1/4	3 1/2	10 1/2	7 1/4
4	114.3	4.500	2 1/2	8	6	4	12	8 1/4
5	141.3	5.563	3 1/8	10	7 1/2	5	15	10 5/16
6	168.3	6.625	3 3/4	12	9	6	18	12 5/16
8	219.1	8.625	5	12	12	8	24	16 5/16
10	273.1	10.750	6 1/4	15	15	10	30	20 3/8
12	323.9	12.750	7 1/2	18	18	12	36	24 3/8

Are Custom Sizes Available for Stainless Steel 347 / 347H Buttweld Fittings?

Yes, custom sizes for Stainless Steel 347 / 347H Buttweld Fittings are available at Tolu Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@tolufittings.com.

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Application Industry of Stainless Steel 347 / 347H Buttweld Fittings

These fittings are perfect for applications that require both corrosion resistance and thermal stability. You’ll often find them in chemical and petrochemical processing units, heat exchangers, boilers, and refinery equipment. In the power generation field, they’re ideal for superheaters and reheater tubes that face intense heat. Additionally, they’re utilized in aerospace, marine, and food processing industries where hygiene, durability, and long-lasting reliability are key. Their ability to maintain mechanical strength under varying thermal conditions makes them a go-to choice for demanding industrial systems.