Stainless Steel 321 Pipes

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Stainless Steel 321 Pipes Manufacturer, Supplier and Exporter in Tunis, Tunisia

Samia Pipes and Tubes, based in Tunis, Tunisia, is a leading manufacturer and supplier of high-quality industrial pipes and tubes. Among our specialized offerings are Stainless Steel 321 Pipes, known for their excellent corrosion resistance and exceptional performance at elevated temperatures. Designed for demanding industrial environments, these pipes ensure reliability and long-term durability. At Samia Pipes and Tubes, we focus on providing solutions that go beyond supplying materials, helping industries operate efficiently and safely. Each Stainless Steel 321 Pipe reflects our commitment to precision, quality, and dependable performance in critical applications.

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Stainless Steel 321 Pipes are a stabilized austenitic stainless steel containing approximately 17–19% chromium, 9–12% nickel, and titanium additions to prevent carbide precipitation. This composition enhances high-temperature strength and prevents intergranular corrosion. They typically offer a tensile strength of 515–750 MPa and a yield strength of 205–450 MPa, with a density of about 8.0 g/cm³. Stainless Steel 321 Pipes maintain mechanical integrity under thermal stress, resist scaling and oxidation, and provide excellent durability, making them ideal for industrial applications requiring both high-temperature performance and corrosion resistance.

Stainless Steel 321 Pipes Specification

Pipe Standard	ASTM A312 ASME SA312 / ASTM A358 ASME SA358
Pipe Dimension	ANSI/ASME B36.19M, ANSI/ASME B36.10M
Pipe Sizes	1 / 2″ NB – 24″ NB
Pipe 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
Steel Pipe Manufacturing Process	Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded
Stainless Steel Pipe Shapes	Hydraulic, Round, Rectangle, Square, Hex, Honed
Stainless Steel Pipe Schedule	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipe Ends	Half Hard, Soft, Hard, Quarter Hard, Spring Hard
Delivery Condition	Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Outside Finish	2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Value Added Services	Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

Stainless Steel 321 Pipes Chemical Composition

Grade	C	Mn	Si	P	S	Cr	N	Ni	Ti
SS 321	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	0.10 max	9.00 – 12.00	5(C+N) – 0.70 max

SS 321 Pipes Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1457 °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 321 Pipes from Samia Pipes and Tubes?

Choosing Stainless Steel 321 Pipes from Samia Pipes and Tubes offers corrosion resistance and excellent durability, ideal for harsh environments. Their pipes are precisely engineered for durability and reliability, conforming to stringent industry standards. Samia offers solutions tailored to suit specific business requirements, backed by exceptional customer service. Furthermore, their commitment to quality ensures longevity and performance, making them a reliable choice for a variety of applications. Trust Samia’s expertise in providing quality stainless steel for your needs.

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Largest Stainless Steel 321 Pipes Supplier in Tunis, Tunisia

Samia Pipes and Tubes, one of the largest suppliers of Stainless Steel 321 Pipes in Tunis, Tunisia, 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.

Stainless Steel 321 Pipes Sizes in MM

Designation of Diameter		O/D	Nominal Wall Thickness
Designation of Diameter		DIA	SCH.5S		SCH.5		SCH 10S		SCH.10		SCH.20S		SCH.30		SCH.40S		SCH.40		SCH 60
(A)	(B)	Meter MM	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr	Wall Thk	Weight Kg/Mtr
6	1/8	10.3	1	0.23			1.2	0.27			1.5	0.33			1.73	0.37
8	1/4	13.7	1.2	0.37			1.65	0.49			2	0.58			2.24	0.64
10	3/8	17.2	1.2	0.47			1.65	0.63			2	0.74			2.31	0.87
15	1/2	21.3	1.65	0.01	1.65	0.81	2.11	1.02	2.11	1.02	2.5	1.15			2.77	1.29
20	3/4	26.7	1.65	1.03	1.65	1.03	2.11	1.3	2.11	1.3	2.5	1.49			2.87	1.71
25	1	33.4	1.65	1.31	1.65	1.31	2.77	2.13	2.77	2.13	3	2.24			3.38	2.54
32	11/4	24.2	1.65	1.67	1.65	1.67	2.77	2.73	2.77	2.73	3	2.9			3.56	3.44
40	11/2	48.3	1.65	1.93	1.65	1.93	2.77	3.16	2.77	3.16	3	3.35			3.68	4.11
50	2	60.3	1.65	1.93	1.65	2.42	2.77	3.99	2.77	3.99	3.5	4.9			3.91	5.52
65	21/2	73	2.11	3.75	2.11	3.75	3.05	5.34	3.05	5.34	3.5	6			5.16	8.77
80	3	88.9	2.11	4.59	2.11	4.59	3.05	6.56	3.05	6.56	4	8.37			5.49	11.47
90	31/2	101.6	2.11	5.25	2.11	5.25	3.05	7.53	3.05	7.53	4	9.62			5.74	13.78
100	4	114.3	2.11	5.93	2.11	5.93	3.05	8.5	3.05	8.5	4.5	12.18			6.02	6.32
125	5	141.3	2.77	9.61	2.77	9.61	3.4	11.74	3.43	11.74	5	16.8			6.55	2210
150	6	168.3	2.77	11.47	2.77	11.47	3.4	14.04	3.43	14.04	5.5	22.08			7.11	28.69
200	8	219.1	2.77	15	2.77	15	3.76	20.77	3.76	20.27	6.35	33.82	7.04	37.38	8.18	43.2			10.81	53.9
250	10	273.1	3.4	22.95	3.4	22.95	4.19	28.2	4.19	28.2	6.35	42.41	7.8	51.81	9.27	61.22			12.2	82.8
300	12	323.9	3.96	31.72	4.19	33.6	4.57	36.54	4.57	36.54	6.35	50.48	8.38	66.2	9.53	75.01	10.31	80.94	14.27	110.62
350	14	355.6	3.96	34.86			4.78	41.99	6.35	55.53	7.92	68.95	9.53	82.58	9.53	82.58	11.13	96	15.06	128.42
400	16	406.4	4.19	42.2			4.78	48.07	6.35	63.61	7.92	79.03	9.53	94.7	9.53	94.7	12.7	125.2	16.66	162.59
450	18	457.2	4.19	47.46			4.78	54.15	6.35	71.69	7.92	89.1	11.13	124.32	9.53	106.83	14.27	158.27	19.05	209
500	2C	508	4.78	60.23			5.54	69.7	6.35	79.76	9.53	118.93	12.7	157.51	9.53	118.9	15.06	185.89	2062	251.65
550	22	558.8	4.78	65.95			5.54	76.75	6.35	87.84	9.53	131.07	12.7	173.66	9.53	131.07	15.88	216.04	22.23	298.55
600	24	609.6	5.54	83.8			6.35	95.92	6.35	95.92	9.53	143.2	14.27	212.72	9.53	143.2	17.45	258.74	24.59	360.21
650	26	660.4							7.92	129.4	12.7	205.97			9.53	155.32
700	28	711.2							7.92	139.47	12.7	222.13	15.88	276.48	9.53	167.44
750	3C	762	6.35	120.15			7.92	149.55	7.92	149.55	12.7	238.28	15.88	296.68	9.53	179.56
800	32	812.8							7.92	159.62	12.7	254.44	15.88	316.88	9.53	191.69	17.48	348.11
850	34	863.6							7.92	169.64	12.7	270.5	15.88	336.96	9.53	203.74	17.48	370.22
900	36	914.4							7.92	179.77	12.7	286.75	15.88	357.28	9.53	215.93	19.05	427.09

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Types of Stainless Steel 321 Pipes

Are Custom Sizes Available for Stainless Steel 321 Pipes?

Yes, we offer custom sizes for Stainless Steel 321 Pipes to meet your specific requirements. Our team at Samia Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@samiapipes.com.

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Stainless Steel 321 Pipes are widely used in industries exposed to high temperatures and corrosive environments. They are ideal for boilers, heat exchangers, superheaters, and piping systems in power plants. In chemical and petrochemical industries, they handle aggressive fluids at elevated temperatures reliably. These pipes are also used in exhaust systems, furnace components, aerospace, and food processing industries where thermal stability and corrosion resistance are critical. With their combination of durability, high-temperature strength, and resistance to corrosion, Stainless Steel 321 Pipes from Samia Pipes and Tubes provide reliable, long-lasting, and low-maintenance solutions for demanding industrial and commercial applications.