PLAQUES DE CONSTRUCTION NAVALE S420G1+M
S420G1+M SHIPBUILDING PLATES 3

S420G1+M shipbuilding plates are high-strength structural steel plates that are specifically designed for use in the construction of ships and offshore structures. These plates offer excellent weldability and formability, making them ideal for use in the fabrication of various marine structures. With a minimum yield strength of 420 MPa, these plates provide the necessary strength and durability required for the harsh conditions encountered at sea. Additionally, the plates are designed to withstand extreme weather conditions and corrosive environments, ensuring the longevity and safety of the vessels they are used in. Overall, S420G1+M shipbuilding plates are a reliable and cost-effective solution for constructing high-quality marine structures.

EN10225 S420G1+M Steel Chemical Composition   

S420G1+ML'élément Max (%)
CSiMnPSNbVTiAlCrNimoisCuN
0.140.15
|
0.55
1.650.0200.0100.0400.0800.0250.015
|
0.055
0.250.700.250.300.010

EN10225 S420G1+ M Steel Mechanical Property

 S420G1+MLimite d'élasticité
mm
Min(Mpa)
Résistance à la traction
mm
Min(Mpa)
 Élongation
Min,%
 

40

40

100
≤16
16

40

40

63

63

80

80

100
 19
500-660480-640420400390380380

Advantages of S420G1+M Shipbuilding Plates

S420G1+M shipbuilding plates offer a myriad of advantages that make them a preferred choice for marine construction projects. Some of the key advantages include:

  • High Strength: S420G1+M plates exhibit high tensile strength, making them ideal for withstanding heavy loads and harsh marine conditions.
  • Excellent Weldability: These plates are known for their excellent weldability, allowing for easy and efficient fabrication during shipbuilding processes.
  • Good Toughness: S420G1+M plates possess good toughness properties, ensuring enhanced resistance to impact and fatigue loading.
  • Corrosion Resistance: The plates offer excellent corrosion resistance, protecting the vessel from the corrosive effects of seawater and other environmental factors.

Characteristics of S420G1+M Shipbuilding Plates

Understanding the key characteristics of S420G1+M shipbuilding plates is essential for leveraging their full potential in marine construction. Some of the notable characteristics include:

  • Normalized Rolling: S420G1+M plates undergo normalized rolling to achieve the desired mechanical properties, ensuring uniformity and consistency in performance.
  • Impact Testing: These plates are subjected to rigorous impact testing to verify their toughness and resilience under dynamic loading conditions.
  • High Yield Strength: S420G1+M plates exhibit high yield strength, providing structural stability and reliability in demanding marine applications.
  • Low Carbon Equivalent: The plates have a low carbon equivalent, reducing the risk of weld cracking and improving overall weld quality.

Applications and Uses of S420G1+M Shipbuilding Plates

S420G1+M shipbuilding plates find extensive applications across various segments of the maritime industry, serving diverse purposes in vessel construction. Some common applications and uses include:

  • Hull Construction: These plates are widely used in the fabrication of ship hulls, ensuring the structural integrity and stability of the vessel.
  • Decking: S420G1+M plates are employed in deck construction, providing a sturdy and reliable platform for crew members and cargo handling.
  • Superstructure Components: The plates are utilized in the construction of superstructure components such as bulkheads, frames, and stiffeners, enhancing the overall strength and durability of the vessel.
  • Offshore Platforms: S420G1+M plates are also utilized in the construction of offshore platforms, offering superior performance in challenging offshore environments.

Questions fréquemment posées

  • Q: What are the key properties of S420G1+M shipbuilding plates?

A: The key properties of S420G1+M plates include high strength, excellent weldability, good toughness, and corrosion resistance.

  • Q: What are the common applications of S420G1+M shipbuilding plates?

A: S420G1+M plates are commonly used in hull construction, decking, superstructure components, and offshore platforms in the maritime industry.

Overall, S420G1+M shipbuilding plates offer a compelling combination of strength, weldability, toughness, and corrosion resistance, making them a versatile and reliable choice for marine construction projects. By understanding the advantages, characteristics, applications, and uses of S420G1+M plates, professionals in the maritime industry can make informed decisions and optimize their shipbuilding processes for superior performance and durability.

Pourquoi choisir Gnee Steel

Si vous souhaitez trouver un fabricant de produits sidérurgiques fiable, Gnee sera votre meilleur choix. 15 ans d'expérience dans la fabrication de produits en acier, certifiés par la société de classification, CE, ISO et SGS. Et nous garantissons les normes de sécurité et de qualité les plus élevées. Nous remplissons toutes les exigences des sociétés de classification réputées.
certificat

De plus, notre acier a été exporté avec succès vers plus de 60 pays tels que l'Allemagne, la Corée du Sud, les États-Unis, le Mexique et l'Argentine. De nombreux clients réguliers viennent visiter notre entreprise et notre usine et passent plusieurs commandes.

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Quels services Gnee fournit-il ?
Tests de mesure et de qualité3
  • Contrôle dimensionnel: Longueur, largeur, diamètre ; Épaisseur, rectitude ; Planéité, profil ;
  • Inspection des surfaces: Inspection visuelle; Tests de rugosité ; Mesure de l'épaisseur du revêtement ;
  • Tests de composition: Analyse élémentaire interstitielle - C,S,P, Si ; Vérification de la qualité des alliages ; Évaluation de l'inclusion ;
  • Tests mécaniques: Résistance à la traction, limite d'élasticité ; Robustesse, ductilité ; Essais de dureté ;
  • Détection des défauts: Tests ultrasoniques et radiographiques ; Tests de particules magnétiques et de ressuage ;
  • Documentation: Rapports d'inspection; Certificats d'essais ; Traçabilité des matières
Usinage-et-finition1
Usinage-et-finition3
Usinage-et-finition2
  • Usinage CNC - tournage, fraisage, perçage
  • Traitements de surface comme le polissage
  • Traitements thermiques - trempe, recuit
  • Revêtement humide/en poudre
service-de-coupe3
service-de-coupe1
service de coupe2
  • Découpe au jet d'eau
  • Découpe au laser
  • Découpe plasma
  • Cisaillement/poinçonnage
Moulage et fabrication3
Moulage et fabrication1
Moulage et fabrication2
  • Roulant
  • Freinage par presse
  • Cintrage de plaques - concave et convexe
  • Cintrage de profils - fabrication sur mesure selon les dessins
Tests et inspection3
Tests et inspection1
Tests et inspection2
  • Analyse chimique
  • Essais mécaniques
  • Examination non destructive
  • Tests par ultrasons, radiographie

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