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Stainless Steel Seamless Tubes is a group of iron-based alloy that consists of a minimum of about 11% of chromium, a composition that stops the iron from rusting, as well as provides heat resistant properties. It is a tube that does not have a welded seam.
Stainless steel tubing is manufactured through an extrusion process where the tube is drawn from a solid stainless steel billet and extruded into a hollow form. Being the leading Stainless Steel Tube Manufacturer in India, we produce high-quality seamless tubes as per international standards.
Stainless Steel Welded Tube is manufactured by the process of rolling the steel coil to the desired gauge thickness which results in a coil of a flat strip. According to the width, the strips are cut down which corresponds with the size of the tube to be produced.
Stainless Steel ERW Tube is used to manufacture bodies of automobiles. It is manufactured by welding process where steel parts in contact are joined permanently joined by heating with electric current, melting the steel at the joint.
ASTM A269 Stainless Steel Tubes is strong, tough, and durable. It is versatility lends it to a range of applications in different industries. It is widely used in industrial and domestic settings.
ASTM A213 Stainless Steel Tube is a ferritic and austenitic alloy that is widely used in high-temperature services especially for the boiler, super heater, and heat exchangers.
ASTM A511 Stainless Steel Tube is used in mechanical applications where corrosion-resistant or high-temperature strength is needed.
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Standard |
ASTM, AISI, GB, JIS, customers’ requests available |
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Size |
Round Tube: OD: 16-119mm or customized |
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Thickness |
0.25mm-3.0mm |
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Length |
6 M or according to customers’ request |
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Outer diameter: ±0.2mm |
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Thickness: ±0.05mm |
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Length: ±0.5mm |
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Ends |
In plain end or bevelled ends or as your requirements |
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Welding Line Type |
ERW (Electrical Resistance Weld) |
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A. Sanded |
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B. Gloss #400,Mirror #600 – #1000 |
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C. Brushed |
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D. Wood Grain |
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E. Embossed, Threaded |
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Application |
Decorations, constructions, food industry, etc. |
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Certification |
ISO, SGS |
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Round Pipe Size |
16, 17, 18, 19, 20, 21, 22, 23, 25, 28, 31.8, 35, 36, 38.1, 48, 50.8, 60, 63.5, 76.2, 89, 101, 114 mm |
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Square Pipe Size |
17, 18, 19, 20, 21, 22, 23, 24, 25, 28, 30, 36, 38, 50 mm |
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Rectangle Pipe Size |
10*30, 10*40, 10*50, 20*10, 23*11, 24*12, 25*13, 28*25, 28*13, 29*14, 30*15, 30*20, 30*22, 34*22, 36*23, 50*25, 60*30, 75*45, 95*45 mm |
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Thickness |
exact 0.25, 0.28, 0.32, 0.37, 0.41, 0.51, 0.61, 0.71, 0.91, 1.11, 1.15, 1.41 mm |
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Length |
6m or according to customer’s request |
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Outer diameter |
6.35 To 219 MM |
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Outer diameter :±0.2 MM |
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Thickness :±0.02 MM |
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Length :±0.5 MM |
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Process method |
Code drawn, annealed with nitrogen protection, ultrasonic, automatic shape, polished |
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Test |
Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
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Equipment |
Press machine, Bending machine, Pushing Machine, electric bevelling machine Sand-blasting machine, etc |
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Origin |
West Europe / Japanese / Indian / USA / Korean / American / European |
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Specification |
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Material Grade |
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Nominal Size |
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Schedule or Wall Thickness |
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Method of Manufacturing (Seamless / Welded) |
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Heat Number |
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Supplier or Manufacturer’s Name or Custom Logo – on request |
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DFARS compliant |
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EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC) |
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100% Radiography Test Report |
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Raw Materials Certificate |
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Third-Party Inspection Report |
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Fumigation Certificates |
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Heat Treatment Charts |
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HS Code Commercial Invoice |
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Form A for Generalized System of Preferences (GSP) |
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Manufacturer Test Certificate |
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Moisture testing |
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Surface roughness measurement |
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Laboratory Test Certificate from Govt. Approved Lab |
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Test Certificates |
Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report |
Electropolished is a “Reverse Plating” process that uses an electrochemical solution to remove the outer layer of Stainless Steel Pipe. By stripping away a uniform layer of Stainless Steel Tube. By stripping away a uniform layer of SS Pipe, the Electropolishing process also removes embedded contaminants, heat tint and oxide scale, micro-cracks, burrs, pits, and another surface defect that can compromise the performance and durability of a part. Electropolished Stainless Steel Tubing is especially done on 300 and 400 series Stainless Steel that improves a part’s corrosion resistance which leaves a lasting bright finish. Unlike passivation, electropolishing can be performed on all varieties of stainless steel which gives its parts of all kinds corrosion resistance superior to passivation alone.
Stainless Steel Capillary Tube is a tube of very small internal diameter. It is coiled to several turns so that it could occupy less space and it has a very long length. The tube is calibrated inside diameter and the length is used to control the flow of refrigerant. It also connects the remote bulb to the thermostatic expansion valve or vice versa. SS Capillary Tube Seamless is designed to change the high-pressure liquid refrigerant into a low-pressure spray of refrigerant. Its pressure drop amount is dependent on the length and inside diameter of the tube.
Stainless Steel Condenser Tubes are designed to efficiently condense process fluid off of the outside of the tube.This application is widespread in heat exchangers, from being a part of condenser and in a chiller evaporator refrigeration cycle, in surface condensers to condensing steam, and everything in between. It is commonly manufactured with an O.D. of 5/8 in, 3/4 in, and 1in. Some applications use larger O.D tubes than these and that is particularly ammonia chillier.
Sanjivini Steels Centre is Stainless Steel Heat Exchanger Tubes Supplier in India. We produce Stainless Steel Heat Exchanger Tubes that are designed as per the standard of national and international. Stainless Steel Heat Exchanger Tube is a device that transfers energy in the form of heat, from one working fluid to the next, whether in solid, liquid, or gas form. It is essential for power generation, refrigeration. All heat exchanger tubes are built on the same principle i.e that a hot fluid flowing around a colder fluid will transfer its heat in the direction of cold flow. SS 304 U Bend Tubing is widely used in heat exchanger systems. It is essential in critical field’s nuclear and petrochemical machine building. Stainless Steel U Bend Tube is designed for high-temperature applications, especially hot oil systems or steam condensing.
Stainless Steel Boiler Tubes are all power devices that operate at high efficiencies and that require quality steel material, to guarantee their safe and long-term operation. It is specially manufactured to resist high temperature and pressure. Boiler steel tubes are used in energy types of equipment like boilers, steam pipelines, superheaters, etc. SS 304 Seamless Boiler Tubing is usually divided into low and medium pressure boiler seamless tube and high-pressure boiler seamless tube and it is known for its high quality and endurance. It has properties like corrosion resistance, oxidation resistance, welding & forming, excellent toughness even down to cryogenic temperatures.
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NPS |
Tolerance, (percent) + |
– |
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1/8-2 1 /2 |
20 |
12.5 |
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3~18, t/D≤ 5% |
22.5 |
12.5 |
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3~18, t/D> 5% |
15 |
12.5 |
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≥ 20, welded |
17.5 |
12.5 |
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≥ 20, seamless, t/D≤ 5% |
22.5 |
12.5 |
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≥ 20, seamless, t/D> 5% |
15 |
12.5 |
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ASTM Specification |
Tubing Manufacturer and suppliers |
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A450/ A450M |
Austenitic Alloy Steel Tubes supplier |
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A213/A213M |
Ferritic and Austenitic Stainless Steel Seamless Alloy Steel Boiler, Superheater, Condenser and Heat Exchanger Tubing manufacturer in India |
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A249/A249M |
Welded Austenitic Steel Boiler, Superheater, Heat Exchanger and Condenser Tubes manufacturer in India |
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A370 |
Steel Products Mechanical Test |
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A268/A268M |
Ferritic and Martensitic Stainless Steel Seamless and Welded Stainless Steel Tubing |
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A269 |
Austenitic Stainless Steel Seamless and Welded Tubing supplier for General Service |
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A270 |
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
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A511 |
Stainless Steel Seamless Mechanical Tubing |
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A778 |
Austenitic Stainless Steel Welded, Unannealed Tubular Products supplier |
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A554 |
Stainless Steel Welded Mechanical Tubing supplier |
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A632 |
Small diameter Austenitic Stainless Steel Seamless and Welded Tubing manufacturer in India |
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A789/A789M |
Ferritic/ Austenitic (Duplex) Seamless and Welded Stainless Steel Tubing suppliers for General Service |
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A791/A791M |
Ferritic Stainless Steel Welded, Unannealed Tubing |
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A803/A803M |
Ferritic Stainless Steel Welded Feedwater Heater Tubes manufacturer in India |
We specialize in exporting a premium selection of Stainless Steel, Carbon Steel, High Nickel Alloy, along with Pipes, Tubes, Fittings, Flanges, Fasteners, and more.
© 2024 SANJIVINI STEEL CENTER Powered By YUGASMI
About Us
We specialize in exporting a premium selection of Stainless Steel, Carbon Steel, High Nickel Alloy, along with Pipes, Tubes, Fittings, Flanges, Fasteners, and more.
© 2024 SANJIVINI STEEL CENTER Powered By YUGASMI