Acier spécial C4510451.1191S45C

Table des matières

Steel is a fundamental material in the manufacturing industry, and among the numerous types available, special steels stand out for their unique properties and applications. Today, we’re focusing on a specific type known as Acier spécial C4510451.1191S45C. This article will cover everything you need to know about this steel variant, from its composition and properties to its applications, specifications, and more.

Overview of Special Steel C4510451.1191S45C

Special Steel C4510451.1191S45C, often simply referred to as S45C, is a medium carbon steel known for its exceptional balance of strength, hardness, and toughness. It is widely used in various industries, including automotive, construction, and machinery manufacturing, due to its versatile mechanical properties and ease of processing.

Key Features of S45C:

  • Haute résistance: Offers superior tensile and yield strength.
  • Bonne résistance: Maintains toughness under different conditions.
  • Usinabilité: Easily machinable and weldable.
  • Traitabilité thermique: Can be heat treated to improve hardness and mechanical properties.
Acier spécial C4510451.1191S45C

Composition chimique Acier spécial C4510451.1191S45C

Understanding the chemical makeup of S45C is crucial for grasping its properties and applications. The table below outlines the typical composition of this special steel.

ElémentsComposition (%)
Carbone (C)0.42-0.48
Silicium (Si)0.15-0.35
Manganèse (Mn)0.60-0.90
Phosphore (P)≤ 0.030
Soufre (S)≤ 0.035
Fer (Fe)Équilibre

This specific composition gives S45C its unique balance of hardness, strength, and toughness.

Mechanical Properties of Special Steel C4510451.1191S45C

The mechanical properties of S45C are what make it highly desirable in various applications. Here are the key mechanical properties:

PropriétéValeur
Résistance à la traction570-700 MPa
Limite d'élasticité305-355 MPa
Élongation14-17%
Dureté (Brinell)170-210 HB
Impact Value (Charpy V)34 J (at room temperature)

Applications of Special Steel C4510451.1191S45C

S45C’s versatility is evident in its widespread use across different industries. The table below highlights some common applications.

ApplicationDétails
Composants automobilesUsed in manufacturing gears, shafts, and crankshafts.
Construction MachineryIdeal for making structural components and frames.
Machines industriellesCommonly used in parts such as cams, axles, and spindles.
Outils et matricesSuitable for making molds and dies due to its hardness.
Matériel agricoleUsed in parts like plowshares and cultivator tines.

Specifications, Sizes, and Grades of Special Steel C4510451.1191S45C

S45C steel is available in various specifications and sizes to meet different requirements. Here’s a detailed look:

SpécificationsDétails
NormesJIS G4051, ASTM A29/A29M
FormsBars, Sheets, Plates, Forgings
TaillesThickness: 2mm to 500mm, Width: 10mm to 2000mm
NotesS45C, C45, 1045, 1191

Fournisseurs et prix des Acier spécial C4510451.1191S45C

Finding reliable suppliers and understanding the pricing is essential for procurement. Here’s a list of some notable suppliers and their pricing details:

fournisseurPaysPrice (USD per ton)Notes
ABC Steel CorporationÉTATS-UNIS600-750Remises en vrac disponibles
Global Steel Ltd.Allemagne620-780Custom sizes upon request
Asia MetalworksChine550-700Fast delivery options
Quality Steels Pvt. Ltd.Inde580-730Competitive pricing for large orders

Advantages and Limitations of Special Steel C4510451.1191S45C

Every material has its strengths and weaknesses. Let’s compare the pros and cons of S45C:

AspectAvantagesLimites
ForceRésistance élevée à la traction et à l'élasticitéNot as strong as high-carbon steels
DuretéGood impact resistanceLess tough compared to alloy steels
UsinabilitéEasily machinableRequires careful handling to avoid cracking
Traitabilité thermiqueCan be hardened and temperedHeat treatment needs to be precise
CoûtAffordable compared to many alloy steelsMore expensive than low-carbon steels

Processing and Heat Treatment of Acier spécial C4510451.1191S45C

Processing and heat treatment significantly affect the properties of S45C. Here’s an overview:

  • Recuit: Heat to 820-850°C, hold until temperature is uniform throughout the section, and cool in the furnace.
  • Normalisation: Heat to 870-900°C, hold until temperature is uniform throughout the section, and cool in still air.
  • Durcissement: Heat to 820-860°C, hold until temperature is uniform throughout the section, and quench in oil or water.
  • Trempe: Heat to 550-660°C, hold until temperature is uniform throughout the section, and cool in still air.

Comparaison avec d'autres aciers

How does S45C stack up against other steels? Let’s compare it to a couple of other popular steel types:

FonctionnalitéS45C1045 SteelAcier 4140
Teneur en carbone0.42-0.48%0.43-0.50%0.38-0.43%
ForceRésistance élevée à la traction et à l'élasticitéSimilar to S45CRésistance à la traction et limite d'élasticité plus élevée
DuretéBienBienExcellent
Traitabilité thermiqueExcellentExcellentExcellent
CoûtAffordableSlightly cheaper than S45CMore expensive due to alloying
Acier spécial C4510451.1191S45C

FAQ

Here are some frequently asked questions about S45C:

QuestionRéponse
What is S45C steel?S45C is a medium carbon steel known for its strength, toughness, and heat treatability.
What are the common applications of S45C?Common applications include automotive parts, machinery components, and industrial tools.
How does S45C compare to 1045 steel?Both are similar in composition and properties, but S45C may offer slightly higher strength.
Is S45C steel weldable?Yes, it is weldable, but preheating and post-weld heat treatment are recommended.
Can S45C be heat treated?Yes, it can be hardened and tempered to improve its mechanical properties.

Conclusion

Special Steel C4510451.1191S45C, or S45C, is a versatile and reliable medium carbon steel widely used across various industries. Its unique balance of strength, toughness, and machinability makes it a popular choice for many applications, from automotive components to industrial machinery. Understanding its properties, applications, and processing methods can help you make informed decisions for your projects.

Whether you’re a manufacturer looking for a robust material or an engineer seeking specific mechanical properties, S45C steel offers a compelling blend of performance and affordability. Dive into the world of special steels and discover how S45C can meet your needs, providing both reliability and efficiency in your manufacturing processes.

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