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303 Stainless Steel Tube: Overview

Stainless Steel 303 Tube is a high-machinability austenitic stainless steel alloy with sulfur content for enhanced machining capabilities. This tube is commonly used in applications where machining is necessary or preferred, such as in the production of nuts, bolts , screws , and gears. This type of stainless steel also displays great resistance to oxidation and scaling when exposed to high temperatures. Its high ductility makes it an ideal material for forming complex shapes or sizes unavailable in many metals.

Additional Information

SS 303 Tube is highly resistant to oxidation, and it's non-magnetic in nature. It has good heat resistance and can withstand temperatures up to 760°C (1400°F). However, this tube is not recommended for use in highly corrosive environments. It's critical to ensure that the machining methods are appropriate, as 303 stainless steel tubing generates smaller, harder chips during machining that can damage the cutting tool if not handled correctly.

303 Stainless Steel Tube Price (Updated 2023)

Rs. 220 - 280 per Kg.

Specifications & Chemical Composition

303 stainless steel tubing is available in various specifications, with sizes ranging from ¼" OD to 6" OD and thicknesses ranging from 0.035" to 0.500".

Schedule: SCH 10 – SCH XXS

Type: Seamless / ERW / EFW/ Fabricated / LSAW Pipes

Form: Round, Square, Rectangular, Hydraulic Etc

Length: Single Random, Double Random & Cut Length.

End: Plain End, Beveled End, Threaded

Its chemical composition typically consists of the following:

  • Chromium: 17-19%
  • Nickel: 8-10%
  • Carbon: 0.15%
  • Manganese: 2%
  • Phosphorus: 0.2%
  • Sulfur: 0.15-0.35%
  • Silicon: 1%

Mechanical & Physical Properties of 303 Stainless Tubing

  • Tensile Strength (min): 500 MPa (72500 psi)
  • Yield Strength (min): 190 MPa (27600 psi)
  • Hardness (Max): 202 (HBN)
  • Elongation (min): 35%
  • Density: 8.03 g/cm³ (0.290 lb/in³)
  • Melting Point: 1400-1450°C (2550-2650°F)
  • HV: <200
  • Section Shrinkage (%): >50

Standards & Applications

303 stainless steel tube meets various national and international standards, including ASTM A582/A582M, ASTM A895, and SAE J405.

It finds multiple applications in the machining industry, where it is used in producing screws, nuts, bolts, and pump shafts. 303 stainless tubing is also used in automotive applications where high machinability is essential.

Packaging

Stainless Steel 303 Tubes are packaged with caution and safety so they reach our client as well as he would expect. Packaging Charges Extra. 303 stainless steel tubing may be furnished bare or coated and with capped ends. Tube up to 3” OD will be supplied in bundles. In order to prevent rust during sea shipment, bundles of 303 stainless tubings may be wrapped with polypropylene sheets and secured with flat steel bands. Over 3” OD will be supplied loose.

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FAQ's for Stainless Steel 303 Tubing

The market SS 304 price per kg in India is between INR 220 - INR 280 per Kg.


Yes, 303 stainless steel tube is highly corrosion-resistant. It is an austenitic stainless steel, which means it has excellent corrosion resistance due to its high levels of chromium and nickel. Stainless steel 303 tube has good corrosion resistance in a wide range of environments, including those with high humidity, saltwater, and many organic and inorganic chemicals. It is particularly resistant to pitting and crevice corrosion, which makes it a good choice for marine and chemical processing applications.

The Harmonized System Nomenclature (HSN) is a standardized system for classifying goods used by customs authorities worldwide. The HSN code for 303 stainless steel tubes is 7307.29. The full HSN code for 303 stainless steel tubes would be 7307.29.90, which is the HSN code for "Other tube or pipe fittings (for example, couplings, elbows, sleeves), of stainless steel."

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