ABS D Steel

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ABS D STEEL (1)

ABS D steel is a grade of marine steel certified by the American Bureau of Shipping (ABS). Designed primarily for structural applications in marine and offshore industries, ABS D steel is known for its durability, strength, and resistance to harsh environmental conditions. This article delves into the chemical composition, mechanical properties, advantages, and applications of ABS D steel, providing a comprehensive overview of this essential material.

Chemical Composition of ABS D Steel

ABS GRADE D  generalStrength Chemical Composition
GradeThe Element Max (%)
CSiMnPSN
ABS GRADE D0.210.350.800.0350.0350.02

Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Mechanical Properties of ABS D Steel

ABS GRADE D generalstrength property
Grade Mechanical PropertyCharpy V Impact Test
ThicknessYieldTensileElongationDegreeEnergy 1Energy 2
ABS GRADE DmmMin MpaMpaMin  %-20JJ
t≤50235400-52018%2027
50<t≤70235400-52018%2434
70<t≤100235400-52018%2741
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

Advantages and Features of ABS D Steel

  • High Strength: ABS D steel offers a high strength-to-weight ratio, which is critical for marine structures that require robustness without excessive weight.
  • Good Toughness: The steel maintains good toughness properties, which is essential for withstanding impact and stress in harsh marine environments.
  • Corrosion Resistance: With elements like chromium and nickel, ABS D steel has enhanced corrosion resistance, which prolongs the life of marine structures.
  • Weldability: The steel’s composition is optimized for excellent weldability, facilitating easier construction and repairs.
  • Regulatory Compliance: ABS D steel meets the strict standards set by the American Bureau of Shipping, ensuring quality and safety.

Application Fields and Uses of ABS D Steel

  • Shipbuilding: ABS D steel is extensively used in the construction of ship hulls, decks, and superstructures due to its strength and resistance to marine environments.
  • Offshore Platforms: The material is suitable for the construction of offshore oil rigs and platforms, where it provides the necessary support and durability.
  • Marine Equipment: It is also used in the fabrication of various marine equipment, including containers, barges, and naval vessels.

In conclusion, ABS D steel is a versatile and robust material designed to meet the demanding requirements of the marine and offshore industries. Its balanced chemical composition and excellent mechanical properties make it a preferred choice for a wide range of applications. The steel’s high strength, toughness, corrosion resistance, and weldability, combined with compliance to ABS standards, ensure that structures made with ABS D steel are reliable, durable, and safe. Whether for shipbuilding, offshore platforms, or marine equipment, ABS D steel stands as a testament to the advancements in material engineering and its pivotal role in the maritime sector.

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Why Choose Gnee Steel

If you want to find a trustable steel products manufacturer, Gnee will be your best choice. 15 years of experience steel products manufacturer, certified by the classification society, CE, ISO, and SGS. And we guarantee the highest safety and quality standards. We fulfill all requirements of reputed classification societies.
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In addition, our steel has been successfully exported to more than 60 countries such as Germany, South Korea, the United States, Mexico, and Argentina. Many regular customers come to visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?
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  • Dimensional Inspection: Length, width, diameter; Thickness, straightness; Flatness, profile;
  • Surface Inspection: Visual inspection; Roughness testing; Coating thickness measurement;
  • Composition Testing: Interstitial elemental analysis - C,S,P, Si; Alloy grading verification; Inclusion rating;
  • Mechanical Testing: Tensile strength, yield strength; Toughness, ductility; Hardness testing;
  • Flaw Detection: Ultrasonic, radiographic testing; Magnetic particle, dye penetrant testing;
  • Documentation: Inspection reports; Test certificates; Material traceability
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  • CNC machining - turning, milling, drilling
  • Surface treatments like polishing
  • Heat treatments - quenching, annealing
  • Wet/powder coating
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  • Waterjet cutting
  • Laser cutting
  • Plasma cutting
  • Shearing/punching
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Molding and Manufacturing1
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  • Rolling
  • Press braking
  • Plate bending - concave & convex
  • Profile bending -custom fabrication as per drawings
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  • Chemical analysis
  • Mechanical testing
  • Non-destructive examination
  • Ultrasonic, radiography testing

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