PLAQUE D'ACIER DE NAVIRE S420G2+M
S420G2+M SHIP STEEL PLATE 3

S420G2+M is a high-strength structural steel plate specifically designed for use in shipbuilding applications. This steel plate offers excellent weldability, formability, and toughness, making it ideal for constructing ships that are subjected to harsh marine environments. With a minimum yield strength of 420 MPa, S420G2+M provides superior strength and durability, ensuring the structural integrity of the ship. Additionally, this steel plate is designed to meet the stringent requirements of classification societies, making it a reliable and trusted choice for shipbuilders worldwide. Overall, S420G2+M ship steel plate is a top-quality material that ensures the safety and longevity of marine vessels.

EN10225 S420G2+M Chemical Composition   

S420G2+ML'élément Max (%)
CSiMnPSNbVTiAlCrNimoisCuN
0.140.15
|
0.55
1.650.0200.0070.0400.0800.0250.015
|
0.055
0.250.700.250.300.010

EN10225 S420G2+ M Mechanical Property

 S420G2+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 S420G2+M Ship Steel Plate

S420G2+M ship steel plate offers several advantages that make it a preferred choice for shipbuilding projects:

  • High Strength: S420G2+M steel plate has a minimum yield strength of 420 MPa, making it ideal for applications where strength is crucial.
  • Excellent Weldability: This steel plate is known for its good weldability, allowing for ease of fabrication and construction.
  • Corrosion Resistance: S420G2+M steel plate is designed to resist corrosion in marine environments, ensuring longevity and durability.
  • Impact Toughness: The material exhibits excellent impact toughness, making it suitable for use in demanding conditions.

Characteristics of S420G2+M Ship Steel Plate

Understanding the key characteristics of S420G2+M ship steel plate is essential for making informed decisions in shipbuilding projects:

  • Chemical Composition: S420G2+M steel plate typically contains elements such as carbon, manganese, silicon, phosphorus, sulfur, and niobium.
  • Mechanical Properties: The material offers high tensile strength, good ductility, and excellent formability, meeting the stringent requirements of shipbuilding standards.
  • Heat Treatment: S420G2+M steel plate may undergo controlled rolling and accelerated cooling processes to achieve the desired mechanical properties.
  • Surface Finish: The plate is often supplied with a primer coating or shot-blasted finish to enhance its corrosion resistance and aesthetics.

Applications and Uses of S420G2+M Ship Steel Plate

S420G2+M ship steel plate finds extensive applications in various areas of shipbuilding and offshore structures:

  • Hull Construction: The high strength and weldability of S420G2+M steel plate make it suitable for hull construction, ensuring structural integrity and safety.
  • Decking and Superstructures: The material is commonly used for decking, superstructures, and other components that require strength, durability, and corrosion resistance.
  • Offshore Platforms: S420G2+M steel plate is utilized in the construction of offshore platforms, providing reliability and performance in challenging marine environments.
  • Marine Equipment: The material is also employed in the manufacturing of marine equipment, such as cranes, winches, and davits, due to its superior mechanical properties.

Questions fréquemment posées

1. What is the minimum yield strength of S420G2+M ship steel plate?

The minimum yield strength of S420G2+M ship steel plate is 420 MPa, ensuring high strength and structural integrity.

2. What are the key advantages of using S420G2+M steel plate in shipbuilding?

S420G2+M steel plate offers advantages such as high strength, excellent weldability, corrosion resistance, and impact toughness, making it a preferred choice for shipbuilding projects.

3. In which applications can S420G2+M ship steel plate be used?

S420G2+M ship steel plate is commonly used in hull construction, decking, superstructures, offshore platforms, and marine equipment due to its superior mechanical properties and corrosion resistance.

4. How is S420G2+M steel plate processed to achieve the desired mechanical properties?

S420G2+M steel plate may undergo controlled rolling and accelerated cooling processes during manufacturing to achieve the desired mechanical properties, such as high tensile strength and good formability.

5. What surface finishes are available for S420G2+M ship steel plate?

S420G2+M ship steel plate is often supplied with a primer coating or shot-blasted finish to enhance its corrosion resistance and improve aesthetics in shipbuilding applications.

In conclusion, S420G2+M ship steel plate is a versatile and reliable material that offers exceptional strength, weldability, corrosion resistance, and impact toughness for various shipbuilding and offshore applications. Understanding its advantages, characteristics, and uses is essential for professionals in the maritime industry to make informed decisions and ensure the success of their projects.

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.

Affichage de l'entreprise partenaire
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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