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Stainless Steel 409 is a ferritic stainless steel grade commonly used in various industrial applications. It comprises iron, chromium, and small amounts of alloying elements such as carbon, silicon, and manganese. The key properties of Stainless Steel 409 make it a popular choice in many industries. It exhibits excellent corrosion resistance, making it suitable for applications where exposure to moisture or corrosive environments is expected.
Stainless Steel 409 is a ferritic stainless steel grade commonly used in various industrial applications. It comprises iron, chromium, and small amounts of alloying elements such as carbon, silicon, and manganese. The key properties of Stainless Steel 409 make it a popular choice in many industries. It exhibits excellent corrosion resistance, making it suitable for applications where exposure to moisture or corrosive environments is expected.
How does Stainless Steel 409 differ from other stainless steel grades?Stainless Steel 409 exhibits distinct differences from other stainless steel grades, setting it apart in its composition and properties. One notable distinction is its classification as ferritic stainless steel, whereas many other grades, such as 304 and 316, fall into the austenitic category.
Table Of Content
About Stainless Steel 409 Bars
Stainless Steel 409 Bars Specification
Stock Availability of SS 409 Bars & Rods
Equivalent Grades Of Stainless Steel 409 Bars
Processing Of Stainless Steel 409 Bars
Stainless Steel 409 Bars & Rods Standard
Chemical Composition of SS 409 Round Bar
Mechanical Properties of SS 409 Rods
Stainless Steel 409 Bars & Rods Ready Stock
That means Stainless Steel 409 has a different crystal structure, resulting in unique characteristics. Another significant difference lies in the alloying elements. Stainless Steel 409 contains higher levels of chromium and lower amounts of nickel than austenitic grades.
This composition imparts enhanced resistance to corrosion and oxidation, particularly in mildly corrosive environments. Stainless Steel 409 offers better thermal conductivity and lower thermal expansion than austenitic grades, making it suitable for high-temperature applications. However, it is important to note that Stainless Steel 409 may have lower toughness and less resistance to stress corrosion cracking than some austenitic stainless steels. Understanding these distinctions is crucial for selecting the appropriate stainless steel grade based on the specific requirements of a particular application.
| SS 409 Bar Standard | ASTM A276 / A479, ASME SA276 / A479 |
|---|---|
| Stainless Steel 409 Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Stainless Steel 409 Round bar size | Diameter: 3-~800mm |
| Stainless Steel 409 Hex Bar size | 2-100mm A/F |
| SS 409 Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Stainless Steel 409 Square bar size | 4 to 100mm |
| SS 409 Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| SS 409 Rectangular Bars Section | 3.0 to 12.0mm thickness |
| ASTM A276 Type 409 Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| SS 409 Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Stainless Steel 409 Rectangular Size | 33 x 30mm to 295 x 1066mm |
| 409 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 409 Hollow Bar Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| SUS 409 T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Rolled Stainless Steel 409 Flat Bars Condition | Hardened & tempered, annealed |
| ASTM A276 Type 409 Cold Rolled Bar Technique | 409 Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| 409 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. |
| Grade | UNS | JIS | WERKSTOFF NR. |
| 409S | S40908 | SUS409S | 1.4512 |
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. |
| Standard | Description |
| ASTM A276 | Specification for Stainless Steel Bars and Shapes |
| ASTM A314 | Specification for Stainless Steel Billets and Bars for Forging |
| ASTM A493 | Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
| ASTM A564 | Specification for Hot-Rolled And Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| ASTM A565 | Specification for Martensitic Stainless Steel Bars, Forgings, and Forging Stock for High Temperature Service |
| ASTM A582 | Specification for Free Machining Stainless Steel Bars |
| ASTM A666 | Specification For Annealed or Cold-Worked Austenitic Stainless Steel Flat Bar |
| ASTM A484 | Standard specification general requirements for stainless and heat-resisting bars, billets and forgings. |
| ASTM A476 | Standard specification for stainless and heat-resisting steel bars and shapes for used in boilers and other pressure vessels. |
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ti |
|---|---|---|---|---|---|---|---|---|---|
| SS 409S | 0.030 max | 0.5 max | 1 max | - | 0.020 max | 1 max | 0.040 max | 10.5 – 11.7 | 6*(%C+%N) |
| Density | Specific Heat at 23-100ºC J/Kg-K | Electrical resistivity Ω-m | Thermal conductivity W/m. K(100 C) | Mean Co-efficient of Thermal Expansion(25ºC-100ºC)(/°C) |
| 7.8 g/cm3 | 458 | 590 | 25.4 | 11.2x 10-6 |
SS 409 Bars in Shaft Making
SS 409 Bars in Automobiles
SS 409 Bars in Electric Motors & Pumps
SS 409 Bars in Railways
SS 409 Bars in Mining
SS 409 Bars in Miscellaneous Fabrication
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Your #1 Source for Stainless Steel 409 Bars
Stainless Steel 409 Bars & Rods Stock Availability
Round Bar
Round bars are steel bars with a smooth surface that are employed in construction projects that don't call for highly reinforced concrete works. It is frequently used on pipes, roads, small and medium-sized projects, beam and column stirrups, and stirrups.
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Square Bar
Solid metal bar with a square cross section is known as a square bar. Grill fencing, fabrications, engineering components, window grills, and the construction of water and fuel tanks are only a few of its many uses.
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Flat Bar
Flat Bars Have Square Edges That Vary In Size And Are A Flat, Rectangular Section. This Economical Steel Product Is Distributed To The Construction, Engineering, Manufacturing, Mining, Grating, Fabrication, And Many Other Industries, And Is Appropriate For A Wide Range Of Applications.
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Hex Bar
The Applications For The Stainless Steel Hexagonal Rods Are Various. They Are Mostly Used In Construction And Structural Applications. Because of their versatility, these rods are used as equipment in several industries, including chemical, food processing, marine, petroleum, sea water, and others.
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Forged Bar
A billet is heated until it becomes malleable to create forged bars, which are made of steel in a manner similar to hot-rolled bars. This is where the processes diverge; forging either presses or hammers the bar to the required rough dimensions as opposed to rolling the bar to size.
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Rectangular Bar
A versatile product, stainless-steel rectangular bar is used in a variety of industries, including shipbuilding, construction, and automotive. It is a common choice for use in products that will be exposed to the elements due to its resistance to oxidising and corrosion.
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Bright Bar
Bright Bars are raw materials produced from stainless steel alloys in a cold reduction mill using a cold drawing technique. They Are Called "Bright Bars" Because of Their Geometrically Precise Molecular Structure, Extremely Smooth Surface Finish, And Constantly Bright Appearance.
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