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A387 Gr.21 Cl.2 Steel Plate A387 Pressure Vessel Plates A387 Hot Rolled Steel Sheet High Pressure Vessel

  • A387 Gr.21 Cl.2 Steel Plate A387 Pressure Vessel Plates A387 Hot Rolled Steel Sheet High Pressure Vessel
Place of Origin China
Brand Name Hongye
Certification ISO
Model Number A387 Gr.21 Cl.2
Minimum Order Quantity 25tons.We also can accept sample order.
Packaging Details Export Packing
Delivery Time Within 15-20 workdays after receiving deposit or L/C
Payment Terms T/T, L/C
Supply Ability 250,000 tons/year

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Whatsapp:0086 18588475571

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Product Details
Model NO. A387 Gr.21 Cl.2 Material Carton
Width Customized Origin Wuxi
Color Silver Brand Hongye
Transport Package Export Packing Supply Ability 50000000ton/Year
Customization Available |Customized Request
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Product Description

A387 Gr.21 Cl.2 Steel Plate A387 Pressure Vessel Plates A387 Hot Rolled Steel Sheet High Pressure Vessel

 

Company Profile

 

Hongye stands out with its unique capabilities! As a leading global metal distribution company, we provide tailored product solutions to meet our clients' needs, helping them gain a competitive edge.

 

Founded in 2009 and headquartered in Wuxi, China, Hongye has made significant achievements in the aerospace, defense, transportation, shipbuilding, semiconductor, energy, and construction sectors over the past five years.

 

We offer solutions in sheets, pipes, profiles, building materials, specialty steels, stainless steels, and non-ferrous metals. Additionally, our involvement in finance and port operations strengthens our position in the metal import and export market.

 

With our integrated “one-stop” services that include procurement, processing, retail, and logistics, Hongye has become an industry benchmark. We excel in delivering high-quality, cost-effective products, supported by robust supply chain management to meet customer needs continuously.

Internationally, Hongye has established a solid business network in Europe, Southeast Asia, and the Middle East. Our multilingual and culturally adept trade team ensures efficient and professional service for every transaction.

 

Since 2010, Hongye has made notable progress in sustainability, recognized by multiple institutions. By the end of 2012, we had invested 1.22 billion RMB (200 million USD) in China's metal distribution industry, becoming a significant local investor. We aim to expand our market share through collaboration and innovation.

 

Looking ahead, Hongye will continue to globalize, leveraging our experience and resources to grow our international market share and aspire to be a leader in the global metal distribution industry.

 

Our goal is to rank among the top 10 in comprehensive strength in China's metal distribution market.

 

 

Product Specification

 

parametric specification
thicknesses 5 mm -100 mm
widths 1500 mm - 4500 mm
lengths 3000 mm - 18000 mm
standard CCS,DNV,GL,LR,BV,ABS
strength class AH32
Steel plate surface treatment Greasing, painting, sandblasting, anti-rust treatment, etc.
applications Hulls, decks, structural components, etc.

 

 

Product Description

 

 
    • Material: A387 Grade 21 Class 2 alloy steel
    • Product Forms: Plates, pressure vessel plates, hot-rolled sheets
    • Applications: High-pressure vessels, boilers, piping systems

  2. Chemical Composition (%):

    • Carbon (C): 0.13 - 0.18
    • Manganese (Mn): 0.40 - 0.80
    • Silicon (Si): 0.15 - 0.30
    • Chromium (Cr): 1.00 - 1.50
    • Molybdenum (Mo): 0.44 - 0.65
    • Nickel (Ni): ≤ 0.30

  3. Mechanical Properties:

    • Minimum Yield Strength: 310 MPa
    • Minimum Tensile Strength: 485 MPa
    • Minimum Elongation: 18%
    • Charpy V-Notch Impact Toughness: ≥ 27 J at -29°C

  4. Dimensional Specifications:

    • Plates:
      • Thickness: 6 mm to 150 mm
      • Width: 1500 mm to 3500 mm
      • Length: 3000 mm to 12000 mm
    • Pressure Vessel Plates:
      • Thickness: 6 mm to 150 mm
      • Width: 1500 mm to 3500 mm
      • Length: 3000 mm to 12000 mm
    • Hot-Rolled Sheets:
      • Thickness: 2 mm to 20 mm
      • Width: 1000 mm to 2100 mm
      • Length: 2000 mm to 12000 mm

  5. Heat Treatment:

    • Normalized and tempered

  6. Surface Condition:

    • Plates and pressure vessel plates: Hot-rolled, descaled
    • Hot-rolled sheets: As-rolled

  7. Certifications and Standards:

    • Manufactured to meet ASTM A387/A387M standard
    • Approved for pressure vessel and boiler applications

  8. Applications:

    • Pressure vessels, boilers, and heat exchangers
    • High-temperature and high-pressure piping systems
    • Structural components in power generation and petrochemical industries

Baosteel's A387 Grade 21 Class 2 steel products offer excellent mechanical properties, including high strength, toughness, and creep resistance, making them ideal for demanding high-pressure vessel and boiler applications. The consistent quality and reliable supply of these materials support the critical infrastructure needs of various industries.

 
 
Product Characteristics
 

  1. High Strength and Toughness:

    • Minimum yield strength of 310 MPa and tensile strength of 485 MPa
    • Charpy V-Notch impact toughness of at least 27 J at -29°C
    • Allows for the design of thinner, lighter-weight components without compromising structural integrity

  2. Creep Resistance:

    • Alloyed with chromium and molybdenum to enhance creep resistance at elevated temperatures
    • Suitable for high-pressure, high-temperature applications such as boilers and pressure vessels

  3. Excellent Weldability:

    • The chemical composition and heat treatment processes ensure good weldability
    • Enables the fabrication of complex pressure vessel and piping systems

  4. Consistent Quality:

    • Manufactured to meet the stringent ASTM A387/A387M standard
    • Undergoes rigorous quality control and testing to ensure compliance with industry requirements

  5. Dimensional Versatility:

    • Available in a wide range of plate, pressure vessel, and hot-rolled sheet thicknesses and sizes
    • Facilitates the production of components with diverse dimensional specifications

  6. Reliability and Safety:

    • The material's mechanical properties and quality assurance provide a high degree of reliability and safety for critical applications
    • Supports the integrity and longevity of pressure vessels, boilers, and other high-pressure systems

  7. Sustainability:

    • The material is recyclable, contributing to the circular economy and environmentally responsible manufacturing practices

 

Application of the product

 

Power Generation:

Boiler and heat exchanger components for thermal power plants

Pressure vessels and piping for nuclear power facilities

Structural support and enclosures for power generation equipment

Oil and Gas:

Pressure vessels, separators, and reactors for refineries and petrochemical plants

Piping and pipelines for oil and gas transportation and processing

Offshore platforms and subsea equipment

Chemical Processing:

Pressure vessels, reactors, and distillation columns for chemical production

Piping and storage tanks for the handling of corrosive and high-pressure chemicals

Aerospace and Defense:

Pressure vessels and structural components for aircraft and spacecraft

Missile casings and rocket motor housings

Industrial Machinery:

High-pressure hydraulic and pneumatic accumulators

Pressure vessels and piping for industrial compressors and air separation units

Construction and Infrastructure:

Pressure vessels and tanks for water treatment and desalination plants

High-pressure water mains and piping systems

The high-strength, toughness, and creep resistance of the A387 Grade 21 Class 2 steel make it an ideal choice for applications where safety, reliability, and long-term performance are critical. The material's weldability and dimensional versatility also facilitate the fabrication of complex pressure vessel and piping systems.

 

 

FAQ

Q1: Are you trading company or manufacturer?

A: We are the manufacturer with 3 factories. Specializing in producing welded Wear plate, carbon steel profile, Carbon Products bollard for over 10 years.
Q2:What product information must I provide before making a purchase?
A:Please provide the grade, width, thickness, and surfacetreatment requirements, as well as the quantities you require.
Q3:What are your payment terms?
A: 30% T/T in advance and 70% balance before shipment or based on BL copy or LC at sight.
Q4:Is it possible to send samples?
A: Of course, we offer free samples and express shipping to customers all over the world.
Q5:Do you offer a service for customized products?
A: Yes, we can produce according to your specifications and drawings.
Q6:Can you assist me in importing steel products for the first time?
A: Yes, we have shipping agent who will arrange the shipment with you.
Q7. What is your delivery time?
A: Within 7 working days after receiving your balance payment.
 
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