AISI 4150 Alloy Steel Chemical Composition Properties, Grade, Table and Online Pdf
AISI 4150 alloy steel has been used for a long time as a top-class grade with outstanding mechanical properties and great wear resistance resistivity. Its composition is dominated by the element carbon, and is also rich in manganese, phosphorus, sulfur, silicon, chromium, and molybdenum, which is the reason of its unbreakability and longevity. The HBW (Hardness Brinell) testing hardness range of the material is 190-210, which reveals the uses in gears, shafts, axles, components that require high strength and toughness. Alloys of AISI 4150 comply with ASTM standards and have exceptional machining abilities once they are correctly heat-treated. In order to technically comprehend the formula, engineers and manufacturers refer to grids as well as table, chart and pdf resources which in turn show the different contents, properties, and grades of the alloy which may be suitable for specific industrial requirements. These resources help to make the right materials selections ensuring optimal performance and longevity in variety of applications.
AISI 4150 Alloy Steel Chemical Composition And Grade Table
AISI 4150 Steel is a low-alloy steel known for a combination of higher strength, toughness and wear-resistance. As its chemical constitution usually contains carbon (C), manganese (Mn), chromium (Cr), and molybdenum (Mo), the structure remains vital (or accurate) across all organisms On the average, evensteel contain carbon (0.48-0.53%), manganese (0.75-1.00%), chromium (0.75-1.20%), and molybdenum (0.15-0.30%), respectively. This makes it well-adapted to areas where high safety and strength standards are essential such as automotive, aerospace, and machinery industries. AISI 4150 steel is classified to the SAE-AISI system as an alloy being a variety of steels with exact mechanical characteristics and heat treatment procedure that has been predetermined.
| Elements | Iron, Fe | Chromium, Cr | Manganese, Mn | Carbon, C | Silicon, Si | Molybdenum, Mo | Phosphorous, P | Sulfur, S |
|---|---|---|---|---|---|---|---|---|
| Min (%) | 96.745 | 0.8 | 0.75 | 0.48 | 0.15 | 0.15 | - | - |
| Max (%) | 97.67 | 1.1 | 1 | 0.53 | 0.3 | 0.25 | 0.035 | - |
Advantages and Disadvantages of AISI 4150 Alloy Steel
High Strength: Requires little maintenance and provides great tensile and yield strengths ideal for loading.
Good Ductility: Does not crack or break under high pressure.
Superior Fatigue Resistance: Remains intact during multiple cycles of loading.
Versatile: Suitable for a variety of applications including crankshafts and gears.
Advantages:
Difficult to Machine: Requires specialized tools and techniques for machining.
Limited Cold Forming: Prone to cracking when bent to final form at normal melting state.
Susceptible to Decarburization: Outer layers may harden during heat treatment, affecting hardness.
High Alloy Content: Increases material cost compared to lower alloy steels.
Disadvantages:
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