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Stainless Steel 347 Bars exhibit a range of key properties that make them highly desirable in various industrial applications. One of the notable properties is their exceptional corrosion resistance, which enables these bars to withstand harsh environments, including high-temperature and acidic conditions. This corrosion resistance is due to the presence of niobium, which forms niobium carbides, preventing the formation of chromium carbides at the grain boundaries. Stainless Steel 347 Bars also offer excellent oxidation resistance, making them suitable for applications involving elevated temperatures.
Another important property of Stainless Steel 347H Bars is their excellent corrosion resistance. Like Stainless Steel 347 Bars, they exhibit outstanding resistance to corrosion in various environments, including acidic and chloride-rich conditions. Adding niobium and higher carbon content in Stainless Steel 347H Bars contributes to the formation of stable carbides, which prevents sensitization and intergranular corrosion, enhancing their overall corrosion resistance. Stainless Steel 347H Bars also offer good weldability, enabling easy fabrication and joining processes. They can be readily welded using common methods without the risk of sensitization or intergranular corrosion, ensuring the integrity of the welded joints.
Table Of Content
About Stainless Steel 347 Bars
Stainless Steel 347H Bars Specification
Stock Availability of SS 347 Bars & Rods
Equivalent Grades Of Stainless Steel 347 / 347H Bars
Processing Of Stainless Steel 347H Bars
Stainless Steel 347 Bars & Rods Standard
Chemical Composition of SS 347H Round Bar
Mechanical Properties of SS 347 Rods
Stainless Steel 347 Bars & Rods Ready Stock
The composition of stainless Steel 347/347H Bars, is crucial in determining their performance characteristics. These bars are primarily composed of iron, chromium, and nickel, with the addition of other elements such as niobium and carbon. The specific composition of Stainless Steel 347/347H Bars contributes to their enhanced corrosion resistance, high-temperature strength, and overall mechanical properties.
Including chromium in Stainless Steel 347/347H Bars composition imparts excellent corrosion resistance. Chromium forms a protective oxide layer on the surface of the bars, known as the passive layer, which acts as a barrier against corrosion and prevents the underlying metal from coming into contact with corrosive agents. That makes Stainless Steel 347/347H Bars highly resistant to corrosive environments, including acids, alkalis, and chloride-containing solutions.
| SS 347 Bar Standard | ASTM A276 / A479, ASME SA276 / A479 |
|---|---|
| Stainless Steel 347 Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Stainless Steel 347 Round bar size | Diameter: 3-~800mm |
| Stainless Steel 347H Hex Bar size | 2-100mm A/F |
| SS 347 Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Stainless Steel 347H Square bar size | 4 to 100mm |
| SS 347 Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| SS 347H Rectangular Bars Section | 3.0 to 12.0mm thickness |
| ASTM A276 Type 347 Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| SS 347H Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Stainless Steel 347 Rectangular Size | 33 x 30mm to 295 x 1066mm |
| 347H 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 347 Hollow Bar Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| SUS 347 / 347H T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Rolled Stainless Steel 347 / 347H Flat Bars Condition | Hardened & tempered, annealed |
| ASTM A276 Type 347 / 347H Cold Rolled Bar Technique | 347 Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| 347 / 347H 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 | UNS | WNR. | JIS | EN |
|---|---|---|---|---|
| SS 347 | S34700 | 1.4550 | SUS 347 | X6CrNiNb18-10 |
| SS 347H | S34709 | 1.4961 | SUS 347H | X6CrNiNb18-12 |
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. |
| C | Cr | Mn | Ni | P | S | Si | Cb/Ta | |
|---|---|---|---|---|---|---|---|---|
| 347 | 0.08 max |
min: 17.0 max: 20.0 |
2.0 max |
min: 9.0 max: 13.0 |
0.04 max |
0.30 max |
0.75 max |
min:10x C max: 1.0 |
| 347H |
min: 0.04 max: 0.10 |
min: 17.0 max: 20.0 |
2.0 max | min: 9.0 max: 13.0 |
0.03 max | 0.30 max |
0.75 max |
min:10x C max: 1.0 |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 347/347H |
75 (515) |
30 (205) |
40 | 201 | 95 |
SS 347 Bars in Shaft Making
SS 347 Bars in Automobiles
SS 347 Bars in Electric Motors & Pumps
SS 347 Bars in Railways
SS 347 Bars in Mining
SS 347 Bars in Miscellaneous Fabrication
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Your #1 Source for Stainless Steel 347 Bars
Stainless Steel 347 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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