Stainless Steel 317 / 317L Buttweld Fittings

Teerasil Fittings and Plates, a Bangkok, Thailand-based manufacturer and supplier, offers **Stainless Steel 317/317L buttweld fittings** that are suitable for highly corrosive and high-temperature industrial uses. The fittings resist chemical attack, particularly from chlorides, acids, and sulfides. Stainless Steel 317 possesses greater strength and corrosion resistance, and 317L, the low-carbon type, provides excellent weldability and resistance against intergranular corrosion. Teerasil provides elbows, tees, reducers, caps, and other fittings to international standards such as ASTM A403 for industries including chemical processing, marine, pulp and paper, and pharmaceutical.

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Stainless Steel 317 / 317L 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

Stainless Steel 317/317L buttweld fittings are produced from austenitic stainless steel with about 18–20% chromium, 11–15% nickel, and 3–4% molybdenum content. The composition provides enhanced resistance to pitting and crevice corrosion. 317L has low carbon content (max 0.03%) which reduces the possibility of precipitation of carbides during welding. The fittings provide tensile strength of about 515 MPa and yield strength of about 205 MPa. Buttweld fittings ensure smooth, leak-proof, and strong joints suitable for high-pressure and corrosive conditions.

Stainless Steel 317 / 317L Buttweld Fittings Chemical Composition

Grade	C	Ni	Mn	P	S	Cr	Si	Mo	Fe
317	0.08 max	11.00 – 15.00	2 max	0.045 max	0.030 max	18.00 – 20.00	1 max	3.00 – 4.00	57.845 min

Stainless Steel 317 / 317L Buttweld Fittings Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
7.9 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

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Largest Stainless Steel 317 / 317L Buttweld Fittings Supplier in Bangkok, Thailand

Teerasil Fittings is a leading supplier of Stainless Steel 317 Buttweld Fittings in Bangkok, Thailand. We offer an extensive range of Stainless Steel 317L 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 317 / 317L Buttweld Fittings Equivalent Grade

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
317	1.4449	S31700	SUS 317	–	–	–	–

Why Choose Stainless Stainless Steel 317 / 317L Buttweld Fittings from Teerasil Fittings?

Stainless Steel 317 Buttweld Fittings from Teerasil 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 317/317L Buttweld Fittings provide exceptional corrosion resistance, especially in high acid and chloride environments. The low carbon content of 317L prevents carbide precipitation, enhances weldability and reduces the risk of intergranular corrosion. These materials retain high strength and durability at elevated temperatures, making them suitable for a variety of industrial applications. Excellent resistance to pitting, crevice corrosion and stress corrosion cracking ensures long-term performance. In addition they are highly versatile, and can withstand extreme weather conditions, making them ideal for the chemical, fuel and pharmaceutical industries

Types of Stainless Steel 317 / 317L Buttweld Fittings

Stainless Steel 317 / 317L 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 317 / 317L Buttweld Fittings?

Yes, custom sizes for Stainless Steel 317 / 317L Buttweld Fittings are available at Teerasil Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@teerasilfittings.com.

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Application Industry of Stainless Steel 317 / 317L Buttweld Fittings

Stainless Steel 317/317L buttweld fittings find extensive usage in industries requiring high corrosion resistance and mechanical strength. They operate in chemical and petrochemical facilities to handle acidic and chlorinated fluids. They are employed by the pulp and paper mills for bleaching processes and chemical recovery systems. For marine and offshore areas, they resist saltwater and corrosive chemicals. Pharmaceutical and food processing plants use them for hygiene, toughness, and long-lasting service life. These fittings provide reliable performance under extreme operating conditions with minimal maintenance needs.