Stainless Steel 409NB Bars are ferritic stainless steel bars specially alloyed with niobium to enhance weldability, oxidation resistance, and mechanical properties at elevated temperatures. These bars are widely used in automotive exhaust systems, heat exchangers, and industrial applications requiring moderate corrosion resistance. Caliper Overseas is offering high-quality 409Nb bars that meet ASTM A276-1999a and 409Nb standards for consistency and performance.
These bars possess impressive properties such as a density of 7.75 g/cm³, thermal conductivity of 24.2 W/m•K at 100°C, and specific heat of 460 J/kg•K at 20°C. With a thermal expansion rate of 10.5 µm/m•K and electrical resistivity of 0.60 µΩ•m at 20°C, Stainless Steel 409nb Bars offer excellent dimensional stability and durability. For durable, high-performance materials, choose a reliable Stainless Steel 409nb Bars Manufacturer and Supplier in India today.
Table Of Content
About Stainless Steel 409nb Bars
Stainless Steel 409nb Bars Specification
Stock Availability of SS 409nb Bars & Rods
Equivalent Grades Of Stainless Steel 409nb Bars
Processing Of Stainless Steel 409nb Bars
Chemical Composition of SS 409nb Round Bar
Mechanical Properties of SS 409nb Rods
Stainless Steel 409nb Bars & Rods Ready Stock

| SS 409nb Bar Standard | ASTM A276, A479 / ASME SA276, SA479 |
|---|---|
| Stainless Steel 409nb Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Stainless Steel 409nb Round bar size | Diameter: 3-~800mm |
| Stainless Steel 409nb Hex Bar size | 2-100mm A/F |
| SS 409nb Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Stainless Steel 409nb Square bar size | 4 to 100mm |
| SS 409nb Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| SS 409nb Rectangular Bars Section | 3.0 to 12.0mm thickness |
| ASTM A276 Type 409nb Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| SS 409nb Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Stainless Steel 409nb Rectangular Size | 33 x 30mm to 295 x 1066mm |
| 409nb SS Hex Bars Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| ASTM A276 SS Type 409nb Hollow Bar Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| SUS 409nb T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Rolled Stainless Steel 409nb Flat Bars Condition | Hardened & tempered, annealed |
| ASTM A276 Type 409nb Cold Rolled Bar Technique | 409nb Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| 409nb Stainless Steel Rounds Bar Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 409nb | 1.4571 | S31635 | SUS 409nb | 320S31 | 08Ch17N13M2T | Z6CNDT17‐123 | X6CrNiMoTi17-12-2 |
|
Bars Cutting |
Products cut include Round bars, flat bars, hex bars, square bars, tubing and hollow bars, Pipe, angles, channels, beams and tees. Thickness range is 1/16″ to 28″ diameter |
|
Bars Production Cutting |
We can provide production cutting for product diameters up to 4″. We utilize production equipment to achieve these precision cuts with tight tolerances. |
|
Bars Polishing |
Products polished included all tubular products, with OD & ID polishing available, round bars, square bars, hex & flat bars, angles, uneven leg angles, beams, and other shapes. |
| Element> | C | Mn | Si | S | P | Cr | Ni | Nb |
|---|---|---|---|---|---|---|---|---|
| Percent> | 0.05 | 0.50 | 0.50 | 0.020 | 0.025 | 12.0 | 0.40 | 0.60 |
| UTS | Elongation |
|---|---|
| (MPa) |
(L= 4d)% |
| 480 | 25.0 |
SS 409nb Bars in Shaft Making
SS 409nb Bars in Automobiles
SS 409nb Bars in Electric Motors & Pumps
SS 409nb Bars in Railways
SS 409nb Bars in Mining
SS 409nb Bars in Miscellaneous Fabrication
Your #1 Source for Stainless Steel 409nb Bars
Stainless Steel 409nb Bars & Rods Stock Availability
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