Stainless Steel 13-8 PH bars are a crucial component in various industrial applications owing to their exceptional properties and versatile nature. Let's delve into what makes these bars stand out, their composition, available sizes, and their wide-ranging applications.
What is Stainless Steel 13-8 PH?
Stainless Steel 13-8 PH is a precipitation-hardening stainless steel known for its combination of high strength, toughness, corrosion resistance, and ease of fabrication. The "PH" in its name stands for "precipitation-hardening," indicating its ability to achieve high strength through heat treatment.
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Features of Stainless Steel 13-8 PH Bars:
High Strength: Stainless Steel 13-8 PH bars exhibit impressive strength levels, making them suitable for applications demanding robust materials.
Corrosion Resistance: These bars offer excellent corrosion resistance in various environments, including those containing chloride ions, making them ideal for use in marine and aerospace applications.
Toughness: Despite their high strength, 13-8 PH bars maintain good toughness, ensuring reliable performance under demanding conditions.
Heat Treatable: Stainless Steel 13-8 PH is heat treatable, allowing for precise control over its mechanical properties to meet specific application requirements.
. Machinability: These bars are relatively easy to machine compared to other precipitation-hardening stainless steels, facilitating efficient fabrication processes.
Sizes of Stainless Steel 13-8PH Bars:Stainless Steel 13-8 PH bars are available in a range of sizes to suit various applications. Commonly available sizes include round bars, square bars, and hexagonal bars, with diameters typically ranging from fractions of an inch to several inches, catering to diverse industrial needs.
Specifications | ASTM A564 / ASME SA564 |
Dimension Standard | EN, DIN, JIS, ASTM, BS, ASME, AISI |
Bar Diameter | 3 ~ 800mm |
Hex Bar size | 2-100mm A/F |
Flat bar size | Thickness: 2 -100mm. Width: 10 to 500mm. |
Square bar size | 4 to 100mm |
Rectangular Bars | Size: 33 x 30mm to 295 x 1066mm. Thickness: 3.0 to 12.0mm. |
Hollow Bars | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
Billet Size | 1/2 to 495mm Diameter |
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 |
Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements |
Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
Rolled Bars Condition | Hardened & tempered, annealed |
Cold Rolled Bar Technique | Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
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. |
Melting
The first step in the process is melting raw materials in an electric furnace. These raw materials are typically iron ore, chromium, nickel, and other elements in exact amounts.
Hot Rolling
After being heated, the billets are shaped into long, thin rods by going through a series of rolling mills. Because the metal is heated above its recrystallization temperature during this operation, it is known as hot rolling.
Pickling
The pickling process is used to the bars in order to eliminate any oxide, scale, or other surface contaminants. Usually, an acid solution is used for this.
Cutting
Lastly, shearing machines or other cutting techniques are used to cut the rods to the required length.
STANDARD | UNS | WNR. |
SS 13-8PH | UNS S13800 | 1.4534 |
Stainless Steel 13-8 PH typically consists of elements such as chromium, nickel, molybdenum, manganese, silicon, copper, and aluminum. The precise composition is carefully balanced to achieve the desired combination of properties, including strength, corrosion resistance, and machinability.
Grade | C | Mn | Si | P | S | Cr | Mo |
SS 13-8PH | 0.05% | 0.10% | 0.10% | 0.010% | 0.008% | 13.25% | 2.50% |
Grade | Density | Melting Point | Tensile Strength | Elongation | Rockwell Hardness |
SS 13-8PH | 0.2836 #/in3 | 2560° - 2680°F | 175 ksi max | 10% | C40 |
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Aerospace Industry: Stainless Steel 13-8 PH bars find extensive use in the aerospace sector, particularly in components such as structural parts, landing gear, fasteners, and engine components, where high strength, corrosion resistance, and lightweight properties are critical.
Industrial Equipment: Stainless Steel 13-8 PH bars are employed in various industrial equipment such as valves, fittings, shafts, and gears, where a combination of strength, toughness, and corrosion resistance is required for reliable performance.
Medical Devices: The biocompatibility and corrosion resistance of 13-8 PH bars make them suitable for use in medical devices like surgical instruments and implants, where durability and resistance to body fluids are essential.
Marine Industry: Stainless Steel 13-8 PH bars find extensive use in the aerospace sector, particularly in components such as structural parts, landing gear, fasteners, and engine components, where high strength, corrosion resistance, and lightweight properties are critical.
High-Performance Sporting Goods: These bars are also utilized in the manufacturing of high-performance sporting goods like golf club shafts, where the combination of strength, toughness, and corrosion resistance enhances performance and durability.
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