AISI 1340 Alloy Steel UNS G13400
Products Description AISI 1340 Alloy Steel (UNS G13400) is a specialized alloy steel that conforms to exacting standards and features a precisely delineated chemical composition, which together define its suitability for a diverse range of applications. The standards governing AISI 1340 Alloy...
Description
Products Description
AISI 1340 Alloy Steel (UNS G13400) is a specialized alloy steel that conforms to exacting standards and features a precisely delineated chemical composition, which together define its suitability for a diverse range of applications.
The standards governing AISI 1340 Alloy Steel are of critical importance. They encompass multiple aspects, including the stipulated mechanical properties, the prescribed heat treatment methods, and the permissible dimensional variations. Adhering meticulously to these standards is vital to ensure that the steel meets the anticipated performance and quality benchmarks across various industrial domains.
Now, let's take a look at a comparison of the chemical composition and mechanical properties of AISI 1340 Alloy Steel with some other common alloy steels in a table:
| Alloy Steel Type | Chemical Composition (approximate %) | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HB) |
|---|---|---|---|---|
| AISI 1340 | C: 0.38 - 0.43, Mn: 1.65 - 1.95, Si: 0.15 - 0.30, Cr: 0.70 - 0.90, Mo: 0.20 - 0.30 | 850 - 1000 | 650 - 750 | 240 - 300 |
| 4140 | C: 0.38 - 0.43, Mn: 0.75 - 1.00, Si: 0.15 - 0.30, Cr: 0.80 - 1.10, Mo: 0.15 - 0.25 | 950 - 1200 | 750 - 950 | 260 - 320 |
| 8620 | C: 0.18 - 0.23, Mn: 0.70 - 0.90, Si: 0.15 - 0.35, Cr: 0.40 - 0.60, Mo: 0.15 - 0.25 | 750 - 950 | 550 - 700 | 180 - 220 |
The carbon content in AISI 1340 Alloy Steel imparts strength and hardness. A precisely controlled carbon level ensures that the steel possesses the requisite mechanical capabilities to endure loads and stresses in diverse application scenarios.
Manganese significantly enhances the steel's hardenability and toughness. It facilitates the effective heat treatment of the steel and boosts its resistance to impact and fatigue.
Silicon contributes to the steel's increased strength and oxidation resistance. It plays a crucial role in maintaining the structural integrity of the material, particularly when exposed to elevated temperatures.
Chromium adds to the hardness, wear resistance, and corrosion resistance of the steel. The formation of stable carbides due to chromium is essential in enhancing the overall strength and durability of the steel.
Molybdenum improves the high-temperature strength and creep resistance of the steel. This is especially significant in applications where the steel is exposed to elevated temperatures for prolonged periods.
In summary, AISI 1340 Alloy Steel (UNS G13400) is characterized by its strict adherence to precise standards and a carefully formulated chemical composition. These elements collectively render it appropriate for a wide range of applications where specific mechanical and performance attributes are essential. Understanding and regulating the composition and standards of this alloy steel are pivotal for its optimal deployment in different industrial fields.
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