If you’re in need of a supplier for 409 Stainless Steel Tubes, SA179 Tubes offers a trustworthy and prominent solution. We are a well-known manufacturer and supplier of Stainless Steel 409 Tubes, available in a wide range of sizes, surface treatments, and ASTM standards. These SS 409 Tubes are highly regarded and find applications in various industries, including automotive exhaust systems, tubular manifolds, and agricultural equipment.

The key attributes of 409 Stainless Steel Tubes or UNS S40900 Tubes are attributed to their composition. This steel grade is chromium and titanium-stabilized, falling into the category of ferritic stainless steel. Chromium is responsible for conferring excellent corrosion resistance to these tubes, making them superior to carbon steel and some coated steels.

Stainless Steel 409 Seamless Tubes are particularly valuable in applications where corrosion or oxidation protection exceeds the capabilities of carbon steel and certain coated steels. While Stainless Steel 409 Welded Tubes belong to the Ferritic steel category, their outstanding mechanical properties far outweigh their physical appearance.

In addition, the range of Stainless Steel 409 Cold Drawn Tubes and SS 409 Electropolished Tubes offered by SA179 Tubes exhibits enhanced formability and is widely used across various industries due to their high performance, attractive surface finish, and precise dimensional accuracy.

For competitive quotes on Grade 409 tubes or any other stainless steel tubes, you can reach out to SA179 Tubes. We are committed to assisting you in acquiring the right solutions for your specific needs.

409 Stainless Steel Tubes Specification

Specifications ASTM A/ASME SA213 / A249 / A269
Dimensions ASTM, ASME and API
SS 409 Tubes Size 21.34 OD (mm) – 609.6 OD (mm)
Thickness 0.35 OD (mm) to 6.35 OD (mm) in thickness ranging from 0.1mm to 1.2mm.
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded / Fabricated
Form Round Tubes, Custom Tubes, Square Tubes, Rectangular Tubes, “U” Shape, Hydraulic Tubes
Length Single Random, Double Random & Cut Length.
End Plain End, Beveled End, Treaded

SS 409 Tube & Pipe Chemical Composition

Grade   C Mn Si P S Cr MO Ni CU
409 Min 10.5
max 0.03 1.00 1.00 0.04 0.02 11.7 0.5

SS 409 Tube & Pipe Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) Brinell (HB)
409 380 170 20 88 0.5t

Stainless Steel 409 Tubes & Pipes Physical Properties

Properties Metric Imperial
Density 8.86 g/cm3 0.384 lb/in³

Stainless Steel 409 Pipes & Tubes Equivalent Grades

UNS S40900
EN FeMi35Cr20Cu4Mo2

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