ASME SA 387 Gr 22 Alloy Plate Exporters
Introduction
ASME SA 387 Gr 22
Alloy Plate is a premium alloy steel plate renowned for
its high tensile strength, corrosion resistance, and durability under high
temperature and pressure. Widely used in the manufacturing and construction
industries, this grade is part of the ASTM A387 standard specification for
pressure vessel plates. These plates are specifically designed for use in
boilers and pressure vessels that operate at elevated temperatures.
Overview
ASME SA 387 Gr 22
Alloy Plate is an alloy steel plate containing Chromium
and Molybdenum. This unique composition imparts excellent heat resistance and
enhanced mechanical properties, making it ideal for heavy-duty applications.
The plates are produced by quenching and tempering processes, ensuring superior
toughness and resistance to brittle fracture.
Specifications
The key specifications of ASME SA 387 Gr 22
Alloy Plate include:
- Standard:
ASTM A387 / ASME SA387
- Grade:
Gr 22
- Thickness:
Typically ranges from 6mm to 150mm
- Width:
1500mm to 2500mm
- Length:
Up to 12,000mm
- Heat
Treatment: Quenched and tempered
- Mechanical
Properties:
- Tensile
Strength: 515-690 MPa
- Yield
Strength: 310 MPa (minimum)
- Elongation:
18-22%
- Chemical
Composition:
- Carbon
(C): 0.05-0.15%
- Manganese
(Mn): 0.30-0.60%
- Phosphorus
(P): 0.025% max
- Sulfur
(S): 0.025% max
- Silicon
(Si): 0.50% max
- Chromium
(Cr): 2.00-2.50%
- Molybdenum
(Mo): 0.90-1.10%
Applications
ASME SA 387 Gr 22 Alloy Plate is utilized in
various critical applications due to its excellent properties:
1.
Pressure Vessels: Used
extensively in the fabrication of pressure vessels that operate at high
temperatures and pressures.
2.
Boilers: Ideal for boiler manufacturing,
where high-temperature resistance is crucial.
3.
Heat Exchangers: Used in the
construction of heat exchangers due to its superior thermal conductivity.
4.
Petrochemical Industry: Employed in the
petrochemical sector for handling high-temperature fluids and gases.
5.
Power Generation: Utilized in
power plants for constructing parts of turbines and other high-temperature
components.
Industry Implications
The utilization of ASME SA 387 Gr 22 Alloy
Plate has several significant implications for various industries:
1.
Enhanced Safety: The high
strength and durability of these plates ensure the safe operation of boilers
and pressure vessels under extreme conditions.
2.
Longer Lifespan: Components made
from these plates exhibit a longer operational lifespan, reducing the need for
frequent replacements.
3.
Cost Efficiency: Despite the
higher initial cost, the longevity and reduced maintenance requirements of
these plates lead to overall cost savings.
4.
Environmental Impact: The durability
and efficiency of these plates contribute to reduced waste and energy
consumption, supporting sustainability initiatives.
5.
Performance Reliability: Ensures
reliable performance in critical applications, minimizing the risk of
operational failures and downtime.
Conclusion
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