Stainless Steel Seamless Tube

Mcneil Instruents Inc. is one of the Best leading Stainless Steel Tube manufacturers, Suppliers and Exporters in India. Stainless Steel Seamless Tube is made up of stainless steel materials. There are different stainless steel grades. The 304 grade is the most used and the 304 stainless steel tubes are cost effective.

There are several different types of stainless steel, including austenitic, duplex, and pipes made of economically pure metal. Mcneil Instrumnts Inc. is a manufacturer of Stainless Steel Seamless tube in different types, shapes and methods. Our stainless steel Seamless tubes are utilized in various applications where easier installation and greater dimensional precision are necessary.

Leading Manufacturer of Stainless Steel Seamless Tube

Mcneil Instrument, a renowned manufacturer, supplier, and exporter in India, specializes in producing high-quality Stainless Steel Seamless Tubes. Our seamless tubes are crafted with precision using premium-grade stainless steel, ensuring exceptional durability, corrosion resistance, and long-lasting performance. With a commitment to delivering excellence, we cater to various industries, offering a wide range of sizes, grades, and specifications to meet diverse application requirements. As a trusted manufacturer, Mcneil Instrument prioritizes stringent quality control measures, ensuring that our Stainless Steel Seamless Tubes adhere to international standards and surpass customer expectations. Whether you need tubes for fluid transportation, heat exchangers, or structural applications, our seamless tubes provide reliable and efficient performance in demanding environments. Rely on Mcneil Instrument for top-notch Stainless Steel Seamless Tubes that guarantee superior quality, strength, and reliability for your projects.

Stainless Steel Seamless Tube Tolerances

NPS Designator	Permissible Variations in Outside Diameter
	Over In.	Under In.
1/8 to 1-1/2, incl	1/64 (0.015)	1/32 (0.031)
Over 1-1/2 to 4, incl	1/32 (0.031)	1/32 (0.031)
Over 4 to 8, incl	1/16 (0.062)	1/32 (0.031)
Over 8 to 18, incl	3/23 (0.093)	1/32 (0.031)

Stainless Steel Seamless Tubes Specification

Specification Format of Stainless Steel Seamless Tubes:-

Specification Aspect	Description
Standard	ASTM, ASME, JIS, EN, DIN, etc.
Material Grade	304, 304L, 316, 316L, 321, 347, 310S, etc.
Outer Diameter (OD)	Specified in inches or millimeters (e.g., 1/8″ to 24″ or 6mm to 610mm)
Wall Thickness (WT)	Specified in inches or millimeters (e.g., SCH 5, 10, 40, 80, 160, or 0.5mm to 25mm)
Length	Standard lengths (e.g., 6m, 12m) or custom lengths
Manufacturing Process	Cold drawn, hot rolled, or cold finished
Surface Finish	Annealed and pickled, bright annealed, polished, etc.
Mechanical Properties	Yield strength, tensile strength, elongation, hardness
Chemical Composition	Percentages of elements like C, Mn, Si, P, S, Cr, Ni, Mo, etc.
Testing Requirements	Hydrostatic test, eddy current test, ultrasonic test, etc.
Certification	Mill test certificates, third-party inspection reports
End Finishes	Plain ends, beveled ends, threaded ends
Special Requirements	Tolerances, straightness, ovality, etc.

Example Specifications Table for a Specific Tube

Aspect	Specification
Standard	ASTM A312
Material Grade	316L
Outer Diameter (OD)	1″ (25.4 mm)
Wall Thickness (WT)	SCH 40 (3.68 mm)
Length	6 meters
Manufacturing Process	Cold drawn
Surface Finish	Annealed and pickled
Mechanical Properties	Yield strength: 205 MPa, Tensile strength: 515 MPa, Elongation: 35%, Hardness: 90 HRB
Chemical Composition	C: 0.03%, Mn: 2.00%, Si: 0.75%, P: 0.045%, S: 0.03%, Cr: 16.00-18.00%, Ni: 10.00-14.00%, Mo: 2.00-3.00%
Testing Requirements	Hydrostatic test, Eddy current test
Certification	Mill test certificate
End Finishes	Plain ends
Special Requirements	Dimensional tolerances as per ASTM A999

 

Stock of Stainless Steel Seamless Pipe

Schedule List of Stainless Steel Seamless Tubes

Schedule	Outer Diameter (OD)	Wall Thickness (WT)
SCH 5	1/8″ to 24″	0.035″ to 0.500″
SCH 10	1/8″ to 24″	0.049″ to 0.500″
SCH 20	1/8″ to 24″	0.065″ to 0.500″
SCH 30	1/8″ to 24″	0.083″ to 0.500″
SCH 40	1/8″ to 24″	0.109″ to 0.500″
SCH 60	1/8″ to 24″	0.134″ to 0.500″
SCH 80	1/8″ to 24″	0.154″ to 0.500″
SCH 100	1/8″ to 24″	0.179″ to 0.500″
SCH 120	1/8″ to 24″	0.218″ to 0.500″
SCH 140	1/8″ to 24″	0.250″ to 0.500″
SCH 160	1/8″ to 24″	0.281″ to 0.500″
XXS	1/8″ to 24″	0.307″ to 0.500″

 

Stainless Steel Seamless Tube Size Inch

Here’s a detailed table showing the standard sizes of stainless steel seamless tubes in inches, including the outer diameter (OD) and corresponding wall thicknesses for various schedules:

Nominal Pipe Size (NPS)	Outer Diameter (OD)	SCH 5S	SCH 10S	SCH 40S (STD)	SCH 80S (XS)	SCH 160	XXS
1/8	0.405	0.035	0.049	0.068	0.095	–	–
1/4	0.540	0.049	0.065	0.088	0.119	–	–
3/8	0.675	0.049	0.065	0.091	0.126	–	–
1/2	0.840	0.065	0.083	0.109	0.147	–	–
3/4	1.050	0.065	0.083	0.113	0.154	–	–
1	1.315	0.065	0.109	0.133	0.179	–	–
1 1/4	1.660	0.065	0.109	0.140	0.191	–	–
1 1/2	1.900	0.065	0.109	0.145	0.200	–	–
2	2.375	0.065	0.109	0.154	0.218	–	–
2 1/2	2.875	0.083	0.120	0.203	0.276	–	–
3	3.500	0.083	0.120	0.216	0.300	–	–
3 1/2	4.000	0.083	0.120	0.226	0.318	–	–
4	4.500	0.083	0.120	0.237	0.337	0.438	0.531
5	5.563	0.109	0.134	0.258	0.375	0.500	0.625
6	6.625	0.109	0.134	0.280	0.432	0.562	0.718
8	8.625	0.109	0.148	0.322	0.500	0.718	0.906
10	10.750	0.134	0.165	0.365	0.500	0.843	1.000
12	12.750	0.156	0.180	0.406	0.500	0.937	1.000
14	14.000	0.156	0.188	0.437	0.500	0.875	–
16	16.000	0.165	0.188	0.500	0.500	0.937	–
18	18.000	0.165	0.188	0.562	0.500	1.000	–
20	20.000	0.188	0.218	0.593	0.500	1.062	–
24	24.000	0.218	0.250	0.687	0.500	1.250	–

This table provides a comprehensive overview of the sizes and wall thicknesses for various schedules of stainless steel seamless tubes, helping you choose the right specifications for your needs.

Mcneil instruments provide their services all over the world. We are supplying it to their esteemed and valued clients with the best prices and services. These Stainless Steel Tubes are available from us at very competitive and suitable pricing. All our products are designed and developed using high-grade raw material and latest technology to ensure that final output meets with international quality norms & standards. Moreover, we check all products on various parameters to assure zero defect.

Key Standards for Stainless Steel Tubes and Pipes (ASTM, DIN, NF, JIS)

(A) ASTM/ASME – Standards
A	213 / SA 213	Seamless ferritic and austenitic alloy steel boiler, super heater and heat Exchanger Tubes
A	249 / SA 249	Welded austenitic steel boiler, Super Heater, Heat Exchanger Tubes and Condenser Tubes
A	268 / SA 268	Seamless and Welded ferritic and martensitic stainless steel tubing for general service
A	269 / SA 269	Seamless and Welded austenitic stainless steel tubing for general service
A	312 / SA 312	Austenitic stainless steel seamless pipe & S.S. Welded pipes
A	358 / SA 358	Stainless Steel Welded pipe for high temperature service
A	688 / SA 688	Welded feed water heater ‘U’ Tubes
(C) German – Standards
DIN	17455	Welded general purpose piping
DIN	17456	Seamless circular austenitic stainless steel for general service
DIN	17457	Circular austenitic stainless steel welded tubes subject to special requirement
DIN	17458	Seamless circular austenitic stainless steel tubes subject to special requirement
DIN	28180	Stainless Steel Seamless Heat Exchanger Tube
(D) NF – Standards (AFNOR Standard)
NF	A 49-117	Seamless ferritic and austenitic stainless steel tubes for general services
NF	A 49-217	Seamless ferritic, austenitic and ferritc-austenitic stainless steel tubes for heat exchanger
(F) JIS – Standards
JIS	G 3459	S.S. Seamless pipes.
JIS	G 3463	Stainless steel boiler and heat exchanger tubes