Plaque d'acier RINA de qualité A420

Plaque d'acier RINA de qualité A420

PLAQUE D'ACIER DE QUALITÉ RINA A420 (1)
RINA GRADE A420 STEEL PLATE 7
RINA GRADE A420 STEEL PLATE (2)
RINA GRADE A420 STEEL PLATE 8
RINA GRADE A420 STEEL PLATE (3)
RINA GRADE A420 STEEL PLATE 9

RINA Grade A420 steel plate is a high-strength structural steel with excellent toughness and weldability. It is commonly used in the construction of ships and offshore structures. This article will provide a comprehensive overview of RINA Grade A420 steel plate, including its chemical composition, mechanical properties, advantages, and application fields.

Chemical Composition

ÉlémentPourcentage
Carbone (C)0.21
Silicium (Si)0.10-0.55
Manganèse (Mn)0.60-1.70
Phosphore (P)0.035
Soufre (S)0.035
Nickel (Ni)0.40
Chrome (Cr)0.20
Molybdène (Mo)0.08

Propriétés mécaniques

PropriétéValeur
Résistance à la traction (MPa)530-680
Limite d'élasticité (MPa)420
Allongement (%)19
Essai d'impact Charpy V-Notch40J à -20°C

Avantages et fonctionnalités

  • High strength: RINA Grade A420 steel plate has a minimum yield strength of 420 MPa, making it suitable for applications requiring high structural strength.
  • Excellent toughness: The steel plate exhibits excellent toughness, ensuring it can withstand harsh operating conditions and impacts.
  • Good weldability: RINA Grade A420 steel plate can be easily welded using common welding methods, allowing for efficient fabrication and construction processes.
  • Corrosion resistance: The steel plate has good resistance to corrosion, making it suitable for marine and offshore applications.
  • Uniform properties: RINA Grade A420 steel plate has consistent mechanical properties throughout its thickness, ensuring reliable performance.

Champs d'application et utilisations

RINA Grade A420 steel plate is primarily used in the construction of ships and offshore structures. Its high strength and excellent toughness make it suitable for various components, including hulls, decks, and superstructures. The corrosion resistance of the steel plate makes it ideal for marine environments, where it is exposed to seawater and other corrosive elements.

Some specific applications of RINA Grade A420 steel plate include:

  • Shipbuilding: The steel plate is used in the construction of various types of ships, such as bulk carriers, tankers, and container vessels.
  • Offshore structures: RINA Grade A420 steel plate is utilized in the fabrication of offshore platforms, drilling rigs, and other offshore structures.
  • Marine equipment: The steel plate is also used in the manufacturing of marine equipment, such as cranes, winches, and davits.

Conclusion

RINA Grade A420 steel plate is a high-strength structural steel with excellent toughness, weldability, and corrosion resistance. Its chemical composition and mechanical properties make it suitable for various applications in the shipbuilding and offshore industries. The advantages and features of the steel plate, such as high strength and good weldability, contribute to its widespread use. Understanding the application fields and uses of RINA Grade A420 steel plate can help industries make informed decisions when selecting materials for their projects.

Questions et réponses

Q: Can RINA Grade A420 steel plate be used in cold environments?

A: Yes, RINA Grade A420 steel plate has good impact resistance, even at low temperatures. It is suitable for use in cold environments.

Q: What certifications are available for RINA Grade A420 steel plate?

A: RINA Grade A420 steel plate can be certified by various classification societies, such as RINA, ABS, BV, DNV, and LR.

Q: Is RINA Grade A420 steel plate readily available in the market?

A: Yes, RINA Grade A420 steel plate is widely available from steel suppliers and manufacturers. It can be purchased in various sizes and thicknesses to meet specific project requirements.

Produits en acier pour la construction navale connexes

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.
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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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