S420G2+QT MARINE ÇELİK SAC
S420G2+QT MARINE STEEL SHEET 3

When it comes to marine applications, the choice of material is crucial for ensuring the safety and durability of structures. S420G2+QT marine steel sheet is a high-strength steel that is specifically designed for use in offshore and marine environments.

EN10225 S420G2+QT Steel Chemical Composition   

SeviyeKimyasal bileşim
S420G2+QTMaksimum Eleman (%)
CSiMnPSNotVTiAlCRNiAyCuN
0.140.15
|
0.55
1.650.0200.0070.0400.0800.0250.015
|
0.055
0.250.700.250.300.010

EN10225 S420G2+ QT Steel Mechanical Property

SeviyeMekanik Özellik
 S420G2+QTAkma dayanımı
mm
Min(Mpa)
Gerilme direnci
mm
Min(Mpa)
 Uzama
Min,%
 

40

40

100
≤16
16

40

40

63

63

80

80

100
 19
500-660480-640420400390380380

Advantages of S420G2+QT Marine Steel Sheet

S420G2+QT marine steel sheet offers a range of advantages that make it an ideal choice for marine applications. Some of the key advantages include:

  • High Strength: S420G2+QT steel has a minimum yield strength of 420 MPa, making it suitable for use in demanding marine environments.
  • Excellent Weldability: This steel grade can be easily welded using conventional methods, allowing for efficient fabrication and construction.
  • Good Toughness: S420G2+QT steel exhibits good toughness properties, which are essential for withstanding impact and fatigue loads in marine structures.
  • Corrosion Resistance: The steel is designed to resist corrosion in marine environments, ensuring long-term durability and performance.

Characteristics of S420G2+QT Marine Steel Sheet

In addition to its advantages, S420G2+QT marine steel sheet also possesses a range of characteristics that set it apart from other materials. Some of the key characteristics include:

  • High Ductility: S420G2+QT steel offers high ductility, allowing for easy forming and shaping during fabrication processes.
  • Low Carbon Equivalent: The steel has a low carbon equivalent, which helps to reduce the risk of hydrogen-induced cracking during welding.
  • Impact Resistance: S420G2+QT steel is designed to withstand impact loads, making it suitable for use in offshore structures subject to harsh environmental conditions.
  • Good Fatigue Resistance: The steel exhibits good fatigue resistance, ensuring long-term performance in marine applications where cyclic loading is present.

Applications and Uses of S420G2+QT Marine Steel Sheet

S420G2+QT marine steel sheet is commonly used in a variety of marine applications due to its high strength and durability. Some of the key applications and uses include:

  • Offshore Platforms: The steel is often used in the construction of offshore platforms, where it provides structural support and stability in harsh marine environments.
  • Shipbuilding: S420G2+QT steel is used in the construction of ships and marine vessels, where its high strength and corrosion resistance are essential for ensuring safety and longevity.
  • Offshore Wind Farms: The steel is also used in the construction of offshore wind farms, where it provides support for wind turbine structures in challenging marine conditions.
  • Subsea Pipelines: S420G2+QT steel is utilized in the fabrication of subsea pipelines, where its corrosion resistance and high toughness properties are critical for withstanding underwater conditions.

Sıkça Sorulan Sorular

1. What is the minimum yield strength of S420G2+QT marine steel sheet?

The minimum yield strength of S420G2+QT steel is 420 MPa, making it suitable for use in demanding marine environments.

2. What are some key advantages of S420G2+QT marine steel sheet?

Some key advantages of S420G2+QT steel include high strength, excellent weldability, good toughness, and corrosion resistance.

3. Where is S420G2+QT marine steel sheet commonly used?

S420G2+QT steel is commonly used in offshore platforms, shipbuilding, offshore wind farms, and subsea pipelines due to its high strength and durability.

4. What are some key characteristics of S420G2+QT marine steel sheet?

Some key characteristics of S420G2+QT steel include high ductility, low carbon equivalent, impact resistance, and good fatigue resistance.

5. How does S420G2+QT steel compare to other materials in marine applications?

S420G2+QT steel offers a unique combination of high strength, toughness, and corrosion resistance, making it a preferred choice for marine structures.

In conclusion, S420G2+QT marine steel sheet is a versatile and reliable material that is well-suited for a wide range of marine applications. Its high strength, excellent weldability, and corrosion resistance make it an ideal choice for offshore platforms, shipbuilding, offshore wind farms, and subsea pipelines. By understanding the advantages, characteristics, applications, and uses of S420G2+QT steel, engineers and designers can make informed decisions when selecting materials for marine projects.

Neden Gnee Steel'i Seçmelisiniz?

Güvenilir bir çelik ürünleri üreticisi bulmak istiyorsanız Gnee en iyi seçiminiz olacaktır. Sınıflandırma topluluğu, CE, ISO ve SGS tarafından onaylanmış 15 yıllık çelik ürünleri üreticisi deneyimi. Ve en yüksek güvenlik ve kalite standartlarını garanti ediyoruz. Tanınmış sınıflandırma kuruluşlarının tüm gereksinimlerini karşılıyoruz.
sertifika

Ayrıca çeliğimiz Almanya, Güney Kore, Amerika Birleşik Devletleri, Meksika, Arjantin gibi 60'tan fazla ülkeye başarıyla ihraç edilmiştir. Birçok düzenli müşteri şirketimizi ve fabrikamızı ziyarete geliyor ve birden fazla sipariş veriyor.

Ortak Şirket Ekranı
Gnee Hangi Hizmetleri Sağlıyor?
Ölçüm ve kalite testi3
  • Boyutlu muayene: Uzunluk, genişlik, çap; Kalınlık, doğruluk; Düzlük, profil;
  • Yüzey Denetimi: Görsel inceleme; Pürüzlülük testi; Kaplama kalınlığı ölçümü;
  • Kompozisyon Testi: Arayer element analizi - C,S,P, Si; Alaşım derecelendirme doğrulaması; Dahil edilme derecesi;
  • Mekanik Testler: Çekme mukavemeti, akma mukavemeti; Dayanıklılık, süneklik; Sertlik testi;
  • Kusur Tespiti: Ultrasonik, radyografik testler; Manyetik parçacık, boya penetrant testi;
  • Dokümantasyon: Denetim raporları; Test sertifikaları; Malzeme izlenebilirliği
İşleme ve bitirme1
İşleme ve bitirme3
İşleme ve bitirme2
  • CNC işleme - tornalama, frezeleme, delme
  • Parlatma gibi yüzey işlemleri
  • Isıl işlemler - söndürme, tavlama
  • Islak/toz kaplama
kesim hizmeti3
kesim-servis1
kesim-servis2
  • Su jeti ile kesme
  • Lazer kesim
  • Plazma kesme
  • Kesme/delme
Kalıplama ve İmalat3
Kalıplama ve İmalat1
Kalıplama ve İmalat2
  • Yuvarlamak
  • Frene basın
  • Plaka bükme - içbükey ve dışbükey
  • Profil bükme -çizimlere göre özel imalat
Test ve Muayene3
Test ve Muayene1
Test ve Muayene2
  • Kimyasal analiz
  • Mekanik test
  • Tahribatsız muayene
  • Ultrasonik, radyografi testleri

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