API 2W GRADE 50 MARINE STEEL
API 2W GRADE 50 MARINE STEEL 3

API 2W Grade 50 marine steel is a high-strength, low-alloy structural steel plate that is specifically designed for use in offshore structures. This type of steel is known for its excellent weldability, toughness, and corrosion resistance, making it ideal for harsh marine environments.

Mechanical Properties

THICKNESS
(in)
0.2% YS
(ksi)
UTS
(ksi)
ELONGATION IN 2″
(MIN %)
ELONGATION IN 8″
(MIN %)
0.500 – 1.0050 – 75652318
1.001 – 1.50050 – 70652318

Impact Properties

SPECIMEN SIZE
(in)
MIN TRANSVERSE AVERAGE ENERGY
(ft-lbs)
MIN SINGLE VALUE
(ft-lbs)
TEST TEMPERATURE
(°F)
0.394 x 0.3943025-40
0.295 x 0.3943025-40
0.197 x 0.3943025-40
0.295 x 0.3942319-50
0.197 x 0.3941513-80

Chemical Composition

C
(MAX wt %)
MN 1)
(wt %)
P
(MAX wt %)
S
(MAX wt %)
SI
(wt %)
ALTOT
(wt %)
CR
(MAX wt %)
MO
(MAX wt %)
NI
(MAX wt %)
CU
(MAX wt %)
TI
(wt %)
CB
(wt %)
N 2)
(MAX wt %)
B 2)
(MAX wt %)
0.121.15 – 1.600.0200.0100.05 – 0.500.020 – 0.0600.250.080.750.500.007 – 0.0200.040.013 3)0.0005

Advantages of API 2W Grade 50 Marine Steel

One of the key advantages of API 2W Grade 50 marine steel is its high strength-to-weight ratio, which allows for the construction of lighter and more cost-effective offshore structures. This steel grade also offers excellent weldability, which is essential for the fabrication of complex structures in the marine industry. Additionally, API 2W Grade 50 steel has good toughness and impact resistance, making it suitable for use in demanding offshore environments.

Characteristics of API 2W Grade 50 Marine Steel

API 2W Grade 50 marine steel is a thermomechanically controlled-rolled (TMCP) structural steel plate that is produced in accordance with the American Petroleum Institute (API) specification. This steel grade is characterized by its high yield strength, which is typically around 50 ksi (345 MPa), and excellent low-temperature toughness. API 2W Grade 50 steel also has good weldability and formability, allowing for ease of fabrication and construction.

Applications of API 2W Grade 50 Marine Steel

API 2W Grade 50 marine steel is commonly used in the construction of offshore platforms, floating production storage and offloading (FPSO) vessels, and other marine structures. Its high strength and corrosion resistance make it well-suited for the harsh conditions found in offshore environments, where structures are exposed to saltwater, wind, and waves. API 2W Grade 50 steel is also used in the fabrication of ship hulls, subsea pipelines, and other critical components in the marine industry.

Uses of API 2W Grade 50 Marine Steel

API 2W Grade 50 marine steel is utilized in a wide range of applications in the marine and offshore industries. Some common uses of this steel grade include:

  • Offshore platform construction
  • FPSO vessel fabrication
  • Shipbuilding
  • Subsea pipeline construction
  • Mooring systems

These applications require materials that can withstand the harsh conditions of the marine environment, making API 2W Grade 50 steel an ideal choice for structural components that need to be strong, durable, and corrosion-resistant.

Frequently Asked Questions about API 2W Grade 50 Marine Steel

  1. What are the key properties of API 2W Grade 50 marine steel?

API 2W Grade 50 steel is known for its high strength, excellent weldability, toughness, and corrosion resistance. It has a yield strength of around 50 ksi (345 MPa) and is produced in accordance with the API specification for offshore structures.

  • 2. What are the main advantages of using API 2W Grade 50 steel in marine applications?

The main advantages of API 2W Grade 50 marine steel include its high strength-to-weight ratio, good weldability, toughness, and corrosion resistance. These properties make it well-suited for use in offshore structures, shipbuilding, and other marine applications.

In conclusion, API 2W Grade 50 marine steel is a versatile and reliable material that is widely used in the marine and offshore industries. Its high strength, excellent weldability, and corrosion resistance make it an ideal choice for a variety of structural applications in harsh marine environments.

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.
certificate

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.

Partner Company Display
What Services Does Gnee Provide?
Measurement-and-quality-testing3
  • 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
Machining-and-finishing1
Machining-and-finishing3
Machining-and-finishing2
  • CNC machining - turning, milling, drilling
  • Surface treatments like polishing
  • Heat treatments - quenching, annealing
  • Wet/powder coating
cutting-service3
cutting-service1
cutting-service2
  • Waterjet cutting
  • Laser cutting
  • Plasma cutting
  • Shearing/punching
Molding-and-Manufacturing3
Molding and Manufacturing1
Molding-and-Manufacturing2
  • Rolling
  • Press braking
  • Plate bending - concave & convex
  • Profile bending -custom fabrication as per drawings
Testing-and-Inspection3
Testing-and-Inspection1
Testing-and-Inspection2
  • Chemical analysis
  • Mechanical testing
  • Non-destructive examination
  • Ultrasonic, radiography testing

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