ASTM A516 Grade 65 Steel Plate

ASTM A516 Grade 65 is a versatile PVQ steel plate (65 ksi tensile) offering a balanced mix of strength and low-temperature toughness for industrial boilers and storage tanks.

Material Carbon Steel (Pressure Vessel Quality)
Grade / Standard ASTM A516 Grade 65 / ASME SA516 Grade 65
Thickness 6mm - 300mm
Width 1500mm - 4020mm
Length 3000mm - 18000mm
Delivery Condition normalized / as_rolled
Surface Treatment bare / shot_blasting / painting
MOQ 1 Piece / 5 Tons
Delivery Time 15-30 Days / In Stock
Loading Port Tianjin / Shanghai / Qingdao
Equivalent Grades: ASTM A516 Gr.65 = ASME SA516 Gr.65 = EN P355NH = JIS SGV450 = GB Q345R (similar)
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Overview of ASTM A516 Grade 65 Steel Plate

ASTM A516 Grade 65 (A516 Gr.65) is a high-quality carbon steel plate optimized for use in welded pressure vessels and boilers. Positioned between Grade 60 and Grade 70 in terms of tensile strength, Grade 65 offers a balanced performance profile, providing a minimum tensile strength of 65 ksi (450 MPa). It is specifically designed for service in moderate to lower-temperature environments where a combination of moderate strength and improved notch toughness is required for safety-critical containment systems.

Shandong Tanglu Metal Material Co., Ltd. supplies premium ASTM A516 Grade 65 plates that are manufactured to “Fine Grain Practice” standards. This Pressure Vessel Quality (PVQ) steel is killed to ensure uniform properties and superior impact resistance. For international B2B buyers in the petrochemical, oil & gas, and energy sectors, our A516 Gr.65 plates provide a reliable intermediate solution that meets the rigorous demands of global pressure vessel codes like ASME Section VIII.

Key Features and Processing Advantages

The defining characteristic of ASTM A516 Grade 65 is its versatile mechanical profile, offering higher strength than Grade 60 while maintaining better ductility than Grade 70. This makes it an excellent choice for vessel components that require a specific balance of pressure-bearing capacity and formability. A key technical requirement for this grade is that plates thicker than 40mm (1.5 inches) must be normalized to refine the grain structure and ensure consistent toughness, particularly for low-temperature applications.

In terms of fabrication, A516 Grade 65 exhibits outstanding workability. It is highly responsive to precision CNC cutting (plasma and flame), as well as industrial rolling and bending into vessel shells and dished heads. The material’s balanced chemical composition ensures high-quality weldability, allowing for robust joints that can withstand significant internal pressures. For B2B procurement, the standardized high quality of our A516 Gr.65 plates ensures reliable performance and seamless integration into large-scale industrial manufacturing workflows.

Main Applications of ASTM A516 Grade 65 Steel Plate

ASTM A516 Grade 65 steel plate is widely utilized in the global energy and chemical processing industries. It is commonly used in the fabrication of medium-pressure industrial boilers, heat exchangers, and spherical storage tanks. In the oil and gas sector, it is a preferred material for separator vessels, refinery columns, and storage containers where the operating environment requires moderate strength and reliable impact resistance at low temperatures.

Beyond specialized chemical plants, A516 Gr.65 is used in power generation for steam drums and pressurized piping systems. It is also found in the transport industry, specifically for rail and road tankers designed for the safe distribution of pressurized gases and liquids. Due to its balanced properties and proven durability, ASTM A516 Grade 65 is the preferred intermediate standard for any application involving the storage or transport of pressurized substances where safety and material stability are paramount.

Why Choose Us for ASTM A516 Grade 65 Steel Plate

Shandong Tanglu Metal Material Co., Ltd. is your professional partner for ASTM A516 Grade 65 PVQ steel solutions. We recognize that pressure vessel applications demand absolute technical precision, which is why we source our plates from top-tier mills and provide full traceability with original Mill Test Certificates (MTC). Our plates can be supplied with additional testing, including HIC (Hydrogen Induced Cracking) and Charpy V-Notch impact testing, to meet the most stringent safety requirements of your project.

Our strategic logistics network, based near major Chinese ports like Tianjin, Shanghai, and Qingdao, ensures efficient global shipping and competitive lead times for our B2B clients. With a supply capacity of 10,000 tons per month, we can support both urgent repair needs and massive industrial construction contracts. We also offer expert value-added services, including precision CNC cutting, beveling, and shot-blasting. Choose Shandong Tanglu for stable quality, technical expertise, and a commitment to your industrial engineering success.

📐 Dimension & Size Table

Thickness (mm), Width (mm), Length (mm), Weight (kg/m²)
6 2000 6000-12000 47.1
10 2000 6000-12000 78.5
16 2500 6000-12000 125.6
20 2500 6000-12000 157.0
40 3000 6000-12000 314.0
60 3000 6000-12000 471.0
80 2500 6000 628.0
100 2000 6000 785.0
200 2000 4000 1570.0

* Custom sizes available upon request. Tolerances per relevant international standards.

🔬 Chemical Composition

Element Min Max Display Value Note
C - 0.24 ≤0.24 Based on thickness
Mn 0.85 1.20 0.85-1.20 -
Si 0.15 0.40 0.15-0.40 -
P - 0.035 ≤0.035 -
S - 0.035 ≤0.035 -

* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.

⚙️ Mechanical Properties

Property Value Unit Test Condition
Yield Strength ≥240 MPa 35 ksi minimum
Tensile Strength 450 - 585 MPa 65-85 ksi
Elongation ≥21 % in 200mm

* Values shown are minimum requirements unless otherwise stated.

📦 Commercial Information

Packaging Standard seaworthy export packing, bundled with steel strips and angle iron protection, with desiccant inside to prevent moisture.
Payment Terms tt : T/T (Telegraphic Transfer) lc : L/C (Letter of Credit) dp : D/P (Documents against Payment) western_union : Western Union paypal : PayPal
Price Term FOB CFR CIF EXW
Supply Capacity 10,000 Tons/Month
Loading Port Tianjin / Shanghai / Qingdao

Why Choose Our ASTM A516 Grade 65 Steel Plate?

Balanced Strength & Toughness

Offers an intermediate 65 ksi tensile strength, providing an ideal balance between pressure capacity and material ductility.

Excellent Low-Temp Performance

Fine grain practice and mandatory normalization for thick plates ensure reliable notch toughness for moderate to low-temperature service.

High-Integrity Welding Quality

Specifically designed for welded pressure vessels, ensuring robust joints that meet strict industrial safety codes.

Fully Traceable MTC Documentation

Every plate is supplied with comprehensive MTC documents per ASTM A516, guaranteeing 100% material compliance and safety.

📐

Versatile Thick Plate Supply

Available in thicknesses up to 300mm with professional normalization treatments for large-scale boiler and refinery projects.

Professional CNC Cutting & Beveling

We provide precision CNC cutting and beveling services to deliver plates ready for immediate welding and industrial assembly.

🏭 Applications of ASTM A516 Grade 65 Steel Plate

ASTM A516 Grade 65 is the premier intermediate choice for pressure vessel fabrication. It is vital for industrial boilers, oil refinery columns, spherical tanks, and heat exchangers requiring balanced mechanical properties.

🔧 Pressure Vessel & Boiler 🛢️ Oil & Gas Pipeline

📋 Quality & Certification

Our Certifications

  • ✅ ISO 9001:2015
  • ✅ CE Marking
  • ✅ ABS
  • ✅ DNV GL
  • ✅ Lloyd's Register (LR)
  • ✅ Bureau Veritas (BV)
  • ✅ SGS Certified

Mill Certificate Type

  • 📋 EN 10204 3.1
  • 📋 EN 10204 3.2
  • 📋 Original Mill Certificate

❓ Frequently Asked Questions

Why choose A516 Grade 65 over Grade 60 or 70?

Grade 65 is the ideal middle-ground choice, providing higher strength than Grade 60 while maintaining better ductility and formability than Grade 70.

When is normalization mandatory for A516 Grade 65?

Like all A516 grades, normalization is required for plates thicker than 40mm (1.5 inches) to ensure uniform grain structure and toughness.

Is A516 Gr.65 suitable for heat exchanger tubesheets?

Yes, its stable mechanical properties and good machinability make it a common choice for heat exchanger tubesheets and shells.

Do you offer HIC testing for A516 Grade 65?

Yes, we provide additional Hydrogen Induced Cracking (HIC) testing for plates intended for sour gas or harsh petrochemical service.

What is the maximum thickness for A516 Grade 65?

We can supply A516 Grade 65 in thicknesses ranging from 6mm up to 300mm, with custom dimensions available upon request.

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ASTM A516 Grade 65 Steel Plate

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