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SA 516 GR.65 PLATES

SA 516 GR.65 PLATES
Material Grade: ASME SA 516 Grade 65 / ASTM A516
Material Type: Pressure Vessel Quality (PVQ) Carbon Steel
Tensile Range: 450 - 585 MPa (65-85 ksi)
Service Focus: Moderate & Lower Temperature Pressure Service
Metallurgical Edge: Fine-Grained Killed Steel for High Reliability
Fabrication Advantage: High Structural Integrity for Welded Joints
Stock Availability: Wide Range of Thicknesses (Normalized)
Primary Applications: Storage Tanks, Boilers, & Heat Exchangers
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ASME SA 516 Grade 65 Plates are high-performance carbon steel plates designed for Pressure Vessel Quality (PVQ) service. Positioned as a versatile intermediate grade within the ASME SA 516 specification, Grade 65 provides a strategic balance between the ductility of Grade 60 and the high strength of Grade 70. These plates are primarily utilized in the fabrication of welded pressure vessels where improved notch toughness is required for moderate to lower temperature service. By utilizing fine-grain practice and fully killed steel processing, SA 516 Gr.65 ensures a uniform internal structure, making it highly resistant to brittle fracture under significant internal pressures.

The technical advantage of SA 516 Grade 65 lies in its tensile strength range of 450–585 MPa (65–85 ksi), allowing engineers to design thinner-walled vessels compared to Grade 60 without sacrificing structural safety. This grade is exceptionally well-suited for welded boilers, heat exchangers, and storage tanks used in the petroleum and chemical industries. Its moderate carbon content ensures superior weldability and ease of fabrication, even when dealing with thicker plate sections. By choosing SA 516 Grade 65, manufacturers benefit from a material that complies with rigorous global safety standards while offering the reliability needed for critical energy and industrial infrastructure.



SA 516 GR.65 PLATES Features

  • » Intermediate Strength Profile: Provides a tensile strength of 450–585 MPa, offering a higher pressure rating than Grade 60 while maintaining excellent ductility for cold forming.
  • » Optimized Notch Toughness: Manufactured using fine-grain practice to ensure superior impact resistance, particularly critical for vessels operating in moderate to lower temperature environments.
  • » Pressure Vessel Quality (PVQ): Fully compliant with ASME Boiler and Pressure Vessel Code requirements, ensuring high structural integrity under extreme internal stresses.
  • » Excellent Weldability: The controlled chemical composition allows for high-quality, defect-free welding, ensuring the long-term safety of longitudinal and circumferential vessel joints.
  • » Fully Killed Carbon Steel: Deoxidized during the steelmaking process to produce a uniform chemical and mechanical structure, minimizing internal impurities and laminar tearing.
  • » Enhanced Service Life: Offers reliable performance in demanding oil, gas, and chemical processing environments where material fatigue and thermal stress are constant factors.
  • » Normalized Heat Treatment: Typically supplied in a normalized condition for thicknesses exceeding 40mm to refine grain structure and enhance toughness across the entire plate.
  • » Versatile Fabrication: Highly adaptable for rolling into shells, pressing into dished ends, and manufacturing high-pressure heat exchanger components.

SA 516 GR.65 PLATES Specification

Standards

  • ASME: SA 516 Grade 65
  • ASTM: A 516 Grade 65
  • PNS Equivalent: Grade 450
  • Metallurgy: Fully Killed / Fine Grain

Chemistry

  • Carbon (C): 0.24% Max
  • Manganese (Mn): 0.85% - 1.20%
  • Phosphorus (P): 0.035% Max
  • Silicon (Si): 0.15% - 0.40%

Strength

  • Tensile Strength: 450 - 585 MPa
  • Yield Strength: 240 MPa (Min)
  • Elongation (8in): 19% (Min)
  • Elongation (2in): 23% (Min)

Processing

  • Heat Treatment: Normalized (>40mm)
  • Impact: Low Temp Charpy (Optional)
  • Welding: Excellent Structural Integrity
  • Forming: Cold & Hot Formable

Dimensions

  • Thickness: 6 mm to 150 mm
  • Width: 1500 mm to 3000 mm
  • Length: 3000 mm to 12000 mm
  • Stock: Available in Standard Sheets

Quality

  • MTC: EN 10204 3.1 Certified
  • Ultrasonic: ASTM A435 / A578
  • Testing: Tensile & Bend Tested
  • Origin: Fully Traceable Mill Batch

SA 516 GR.65 PLATES Detailed Specifications

Property Specification
Grade ASME SA 516 GR.65 Boiler and Pressure Vessel Steel Plates
Width 1500mm-3000mm
Thickness 3 - 200 mm/ dimensions up to 4.000 mm
Length 3000mm-11000mm.
Production Hot-Rolled (HR)
Heat Treatment Rolled/Normalised/N+T/QT

SA 516 GR.65 PLATES Chemical Composition

C Si Mn P S Al Cr Cu Ni Mo Nb Ti V
0.08/0.20 0.4 0.9/1.5 0.03 0.03 0.02 0.3 0.3 0.3 0.08 0.01 0.03 0.02

SA 516 GR.65 PLATES Mechanical Properties

Tensile strength (ksi) Tensile strength (MPa) Yield strength (ksi) Yield strength (MPa) Elongation in 200mm (min)(%) Elongation in 50mm (min) (%)
65-85 450-585 35 240 19 23

SA 516 GR.65 PLATES Equivalent Grades

British Standard European Norm ASTM/ASME DIN
BS1501-224-460A/B EN10028 P295GH A/SA516 - Grade 65 DIN 17155 17 MN 4

Industrial Locations & Keywords

Industrial Locations & Keywords
Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair)
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