Melting and Casting
Steel and alloying metals are loaded into an electric arc furnace. Once in the furnace, the metal is heated to a specific temperature above its melting point, usually in excess of 2800°F.
What are the key properties and characteristics of Stainless Steel 321/321H bars, rods, and wires?
Stainless Steel 321 / 321H Bars, Rods, and Wires possess several key properties and characteristics that make them highly desirable for various applications. Firstly, they exhibit excellent corrosion resistance, particularly in environments containing organic acids and oxidizing agents. This resistance is attributed to the alloy's high chromium (Cr) and nickel (Ni) content. Additionally, titanium (Ti) stabilizes the material against sensitization during welding or high-temperature exposure, making it less prone to intergranular corrosion.
These stainless steel bars, rods, and wires also demonstrate good mechanical properties, including high strength and durability. They offer excellent creep and stress rupture resistance, making them suitable for high-temperature applications. Moreover, their low carbon (C) content enhances their resistance to carbide precipitation, ensuring superior intergranular corrosion resistance even after prolonged exposure to high temperatures.
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What applications are Stainless Steel 321/321H bars, rods, and wires commonly used?
Stainless Steel 321 bars find various applications across various industries due to their favorable properties and characteristics. One prominent application is in the aerospace industry, where these bars are utilized to manufacture aircraft components such as exhaust systems, engine parts, and structural elements. Stainless Steel 321 bars' high-temperature resistance and ability to withstand thermal cycling and exposure to jet fuel make them suitable for these demanding aerospace applications.
Stainless Steel 321H rods are extensively utilized in various applications across diverse industries due to their unique properties and characteristics. One prominent application is in the petrochemical industry, where these rods find use in constructing heat exchangers, boiler tubes, and other equipment exposed to high temperatures and corrosive environments.
Stainless Steel 321 and 321H wires are widely used in various industries due to their favorable properties and characteristics. One common application is in the automotive industry, where these wires are used to manufacture exhaust systems, sensor components, and electrical connectors. The high-temperature strength, corrosion resistance, and excellent weldability of Stainless Steel 321 and 321H wires make them suitable for withstanding demanding conditions and environmental exposure in automotive applications.
SS Bar Wire Standard | ASTM A276 / A479, ASME SA276 / A479 ASTM A580 ASME SA580 / ASTM A313 ASME SA313, AMS 5514 |
Stainless Steel Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
Stainless Steel Round bar size | Diameter: 3-~800mm |
Stainless Steel Hex Bar size | 2-100mm A/F |
SS Flat bar size | Thickness: 2 -100mm |
Width: 10 to 500mm | |
Stainless Steel Square bar size | 4 to 100mm |
SS Wire Length | Cut Lengths: 0.125" to 72" No Limit on Spooled Lengths |
SS Wires Diameter | 0.0004" to 0.040" 10 microns to 1.0 mm Other Sizes on Request |
Wire Condition | M, Y, 1/2Hard |
SS Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
SS Rectangular Bars Section | 3.0 to 12.0mm thickness |
ASTM A276 Type Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
SS Threaded Bar Billet Size | 1/2 to 495mm Diameter |
Stainless Steel Rectangular Size | 33 x 30mm to 295 x 1066mm |
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 Hollow Bar Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
Tempers | Tempers range from dead soft annealed to ultra spring temper |
Rolled Stainless Steel Flat Bars Condition | Hardened & tempered, annealed |
ASTM A276 Type Cold Rolled Bar Technique | Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
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. |
Wire available in form of | Flat, Coil, mesh, Knitted wire mesh, spring, stranded and twisted |
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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