A517 Grade E is a high-strength quenched and tempered alloy steel plate designed for use in demanding structural applications where exceptional toughness and weldability are required. It is commonly specified for projects involving heavy machinery, pressure vessels, and components that must withstand extreme loading conditions and harsh environments. The steel achieves its properties through a controlled heat treatment process that refines its microstructure, resulting in a material that offers excellent resistance to fracture and reliable performance even at low temperatures. Its ability to maintain strength and ductility under stress makes it a preferred choice in industries such as construction, energy, and manufacturing, where safety and durability are critical considerations.
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A517 grade EChemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
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A517 grade E |
0.10-0.22 |
0.08-0.45 |
0.35-0.78 |
0.035 |
0.035 |
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Cr |
Mo |
B |
Ti |
V |
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1.34-2.06 |
0.36-0.64 |
0.001-0.005 |
0.005-0.11 |
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Grade |
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A517 grade E Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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A517 grade E |
mm |
Min Mpa |
Mpa |
Min % |
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6-65 |
690 |
795-930 |
16% |
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65-150 |
620 |
725-930 |
14% |
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applications
Heavy Machinery and Equipment
Used in mining machinery, large cranes, and heavy‑duty lifting systems that must withstand dynamic and impact loads during operation.
Pressure Vessels and Storage Tanks
Applied in the energy sector for pressure vessels, storage tanks, and related equipment requiring high strength and good toughness, especially in low‑temperature environments.
Bridges and Structural Construction
Utilized in the fabrication of bridges, building frames, and other structural components where reliable performance under heavy loads is essential.
Offshore and Marine Structures
Selected for offshore platforms, subsea equipment, and marine structures due to its ability to resist harsh environmental conditions and maintain structural integrity.
Transportation Industry
Used in the manufacturing of heavy trucks, specialized vehicles, and rail components where a combination of strength and reduced weight is required.
General Industrial Fabrication
Applied in various industrial machinery and equipment, including processing plants and power generation facilities, where durable and high‑performance steel is needed.
Application Conditions for A517 Grade E
A517 Grade E is used under conditions that demand high strength, toughness, and reliable performance. It is typically applied in environments where components are subjected to heavy loads, dynamic forces, or significant pressure. The steel is suitable for use in low‑temperature settings where impact resistance and fracture toughness are critical. It is also employed in situations requiring excellent weldability and structural integrity, such as in the construction of large machinery, pressure vessels, and offshore structures. Additionally, it performs well in harsh industrial environments, including those involving corrosive elements or extreme operating temperatures. Overall, A517 Grade E is chosen for applications that require a combination of high strength, durability, and consistent performance under challenging conditions.
advantages
High Strength
Provides excellent tensile and yield strength, enabling the design of lighter yet robust structures and components.
Excellent Toughness
Maintains good impact resistance even at low temperatures, reducing the risk of brittle fracture under severe loading.
Good Weldability
Can be easily welded using standard methods, supporting the fabrication of large and complex structures.
Superior Durability
Offers strong resistance to wear, fatigue, and harsh operating conditions, ensuring long service life.
Stable Performance
Delivers consistent mechanical properties across the plate due to precise heat treatment and manufacturing control.
Reduced Weight
High strength allows for thinner sections, helping to lower overall weight in equipment and structures.
Get an valued quotation for A517 Grade E , Contact GNEE Steel.
Is A517GrE suitable for boiler drum manufacturing?
Yes, A517GrE is suitable for boiler drum manufacturing. Its high pressure and temperature resistance, along with good weldability and toughness, meet the strict requirements of boiler drum operation.
What is the elongation requirement of A517GrE?
The minimum elongation of A517GrE is 18% (in 50 mm gauge length). This ensures good ductility, allowing the material to deform plastically before fracture under stress.
How to store A517GrE plates properly?
A517GrE plates should be stored in a dry, well-ventilated area to avoid moisture and corrosion. They should be placed on wooden pallets away from the ground and protected from direct sunlight.
What is the yield strength range of A517GrE?
The yield strength range of A517GrE is typically 515-655 MPa (74.7-95 ksi). It provides good ductility and deformation resistance under stress, ensuring structural stability.
Which standards does A517GrE comply with?
A517GrE complies with the ASTM A517 standard, which specifies requirements for high-strength carbon and alloy steel plates for pressure vessels and boilers in harsh service conditions.
Can A517GrE be heat-treated?
Yes, A517GrE can be heat-treated, including quenching and tempering (Q&T), which enhances its strength and toughness. The standard heat treatment process is quenching followed by tempering to achieve the required properties.
Can A517GrE be used in offshore structures?
Yes, A517GrE is widely used in offshore structures such as oil platforms and offshore pipelines. Its high strength and toughness can withstand harsh marine environments and heavy loads.
What machining processes is A517GrE suitable for?
A517GrE is suitable for various machining processes, including turning, milling, drilling, and cutting. Proper cutting tools and parameters are recommended to ensure machining efficiency and surface quality.
What is the melting point of A517GrE?
The melting point of A517GrE ranges from 1450-1500°C (2642-2732°F). This high melting point ensures it can maintain structural stability at high service temperatures.
Does A517GrE require post-weld heat treatment (PWHT)?
Yes, PWHT is usually required for A517GrE after welding. It relieves residual stresses, improves weld toughness, and enhances the corrosion resistance of the joint, ensuring long-term service reliability.
What is the modulus of elasticity of A517GrE?
The modulus of elasticity of A517GrE is approximately 200 GPa at room temperature. It represents the material's stiffness and ability to resist elastic deformation under stress.