Stainless Steel 317 Tubing

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Stainless Steel 317 Tubing Manufacturer, Supplier and Exporter in Cape Town, South Africa

Bosega Pipes and Tubes stands out as a top-notch manufacturer and supplier of Stainless Steel 317 Tubing in Cape Town, South Africa. They specialize in delivering high-quality tubing solutions that are built to withstand corrosion, ensure durability, and perform reliably in tough industrial settings. Stainless Steel 317 is an austenitic grade known for its high molybdenum content, which provides outstanding resistance to pitting, crevice corrosion, and harsh oxidizing environments. Bosega takes pride in their precision manufacturing, offering smooth surfaces and consistent wall thickness, ensuring that their tubing meets international standards and is perfect for applications in chemical processing, petrochemical, marine, and various industrial systems.

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The composition of Stainless Steel 317 Tubing includes iron, chromium (18–20%), nickel (11–15%), molybdenum (3–4%), along with trace amounts of carbon, manganese, and silicon. The elevated molybdenum content significantly boosts its corrosion resistance, especially in environments rich in chlorides and oxidizing agents. On the mechanical side, it boasts high tensile and yield strength, excellent toughness, and good ductility. Thanks to its austenitic structure, it maintains dimensional stability, resists stress corrosion cracking, and performs reliably under fluctuating pressure and temperature conditions.

Stainless Steel 317 Tubing Specification

Tube Standard	ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
Tube Dimension	ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Tube Sizes	1 / 2″ NB – 16″ NB
Welded Tube Sizes	1 / 2″ NB – 24″ NB
Tube Outside Diameter	6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Tube Manufacturing Process	Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded
Stainless Steel Tube Schedule	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Tube Length	Single Random, Double Random, Standard & Cut length
Tube End Types	Plain Ends (PE), Threaded Ends (TE), Bevelled Ends (BW), Grooved Mechanical Joints or Grooved Ends, TBE (Treaded Both Ends)
Delivery Condition	Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Outside Finish	2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Tubes, Finish as per customer Requirements
Value Added Services	Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

Stainless Steel 317 Tubing Equivalent

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

317 Stainless Steel Tubing Chemical Composition

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
317	min.	–	–	–	–	–	18.0	3.0-4.0	11.0	–
317	max.	0.08	2.0	1.0	0.040	0.030	20.0	3.0-4.0	14.0	–

SS 317 Tubing Mechanical Properties

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
317	515	205	35	75	205

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 317 Tubing from Bosega Pipes and Tubes?

Choosing Stainless Steel 317 Tubing from Bosega Pipes and Tubes ensures high quality and durability, as these tubing offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.

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Largest Stainless Steel 317 Tubing Supplier in Cape Town, South Africa

Bosega Pipes and Tubes, one of the largest suppliers of Stainless Steel 317 Tubing in Cape Town, South Africa, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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SS 317 Tube Dimensions

Dimensions	Wall	Weight per	Dimensions	Wall	Weight per
(mm)	(mm)	metre (kg)	(mm)	(mm)	metre (kg)
12.7 x 12.7	1.20	0.44	40 x40	1.20	1.49
12.7 x 12.7	1.50	0.55	40 x40	1.50	1.85
15 x 15	1.20	0.53	40 x40	2.00	2.45
15 x 15	1.50	0.65	40 x40	3.00	3.75
20 x 20	1.20	0.71	50 x50	1.50	2.32
20 x 20	1.50	0.88	50 x50	2.00	3.08
20 x 20	2.00	1.19	50 x50	3.00	4.65
25 x 25	1.20	0.92	60 x60	2.00	3.71
25 x 25	1.50	1.14	60 x60	3.00	5.49
25 x 25	2.00	1.49	70 x70	3.00	6.53
25 x 25	3.00	2.20	80 x80	2.00	4.98
30 x 30	1.20	1.10	80 x80	3.00	7.53
30 x 30	1.50	1.37	100 x 100	2.00	6.40
30 x 30	2.00	1.84	100 x 100	3.00	9.53
30 x 30	3.00	2.72

Physical properties of SS 317 Tubing

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
			0-1000C	0-3150C	0-5380C	at 1000C	at 5000C
317	8000	193	15.9	16.2	17.0	14.2	18.7	500	740

SS 317 Tube Tolerances

OD Size Inches	Tolerances, Inches
OD Size Inches	OD, Inches	Wall	Cut Length (a), In.
Less than 1	±0.004	All Sizes ± 10%	+1/8–0
1 to 1-1/2	±0.006
Over 1-1/2 to 2	±0.008
Over 2 to 2-1/2	±0.010		+3/16–0
Over 2-1/2 to 3	±0.012
Over 3 to 4	±0.015
Over 4 to 5	+0.015 – 0.025

Types of Stainless Steel 317 Tubing

Are Custom Sizes Available for Stainless Steel 317 Tubing?

Yes, we offer custom sizes for Stainless Steel 317 Tubing to meet your specific requirements. Our team at Bosega Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@bosegapipes.co.za.

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You’ll find Stainless Steel 317 Tubing widely utilized in chemical processing, petrochemical plants, marine and offshore systems, as well as in the pharmaceutical and food processing industries. It’s particularly well-suited for heat exchangers, process piping, storage tanks, and pressure vessels where corrosion resistance is paramount. Moreover, it’s used in seawater handling systems, desalination plants, and industrial fluid transport applications, offering long-lasting, low-maintenance, and high-performance solutions for even the most aggressive and demanding environments.