ASTM A543/A543M NiCrMo Alloy Steel Plates for Pressure Vessel
ASTM A543/A543M NiCrMo alloy steel plates are high-performance materials engineered explicitly for pressure vessels and other critical pressure equipment applications. These plates’ exceptional strength, toughness, and resistance to high-pressure and high-temperature environments characterize these plates. They are ideal for demanding industries such as petrochemical, nuclear, oil and gas, power generation, aerospace, and marine. Comprising nickel, chromium, and molybdenum, this alloy offers superior mechanical properties, including high tensile strength, excellent wear resistance, and robust corrosion resistance. These qualities ensure the reliability and safety of pressure vessels and components, particularly those subjected to harsh operating conditions and rigorous safety standards.
Chemical Composition of ASTM A543/A543M NiCrMo Alloy Steel Plates for Pressure Vessel
| Grade |
C (max) |
Mn (max) |
P (max) |
S (max) |
Si (H) |
Si (P) |
Ni (H) |
Ni (P) |
Cr (H) |
Cr (P) |
Mo (H) |
Mo (P) |
V (max) |
| Type B |
0.20 |
0.40 |
0.020 |
0.020 |
0.15–0.40 |
0.13–0.45 |
2.25–4.00 |
2.18–4.07 |
1.00–1.90 |
0.94–1.96 |
0.20–0.65 |
0.16–0.69 |
0.03 |
| Type C |
0.18 |
0.40 |
0.020 |
0.020 |
0.15–0.40 |
0.13–0.45 |
2.00–3.50 |
1.93–3.57 |
1.00–1.90 |
0.94–1.96 |
0.20–0.65 |
0.16–0.69 |
0.03 |
Mechanical Properties of ASTM A543/A543M NiCrMo Alloy Steel Plates for Pressure Vessel
| Class |
Tensile Strength (ksi [MPa]) |
Yield Strength (min, ksi [MPa]) |
Elongation (min, %) |
| Class 1 |
105–125 [725–860] |
85 [585] |
14 |
| Class 2 |
115–135 [795–930] |
100 [690] |
14 |
| Class 3 |
90–115 [620–795] |
70 [485] |
16 |
| Standard |
ASTM A543/A543M NiCrMo Alloy Steel Plates for Pressure Vessel |
| Steel Grade/Material |
Type B, Type C |
| Dimension |
T 5-350mm × W 900-4100mm × L 3000-25000mm |
| Packing |
Packed with steel-framed plywood pallets |
| Supply Conditions |
AR = as-rolled TM = thermo-mechanical controlled processing CR = controlled QT = quenched and tempered N = normalized |
| Place of Origin |
Made in China |
| MOQ |
50 Tons |
| Transportation |
Railway, By Sea |
Applications of ASTM A543/A543M NiCrMo Alloy Steel Plates for Pressure Vessel
High-Pressure Applications: These plates are used to construct pressure vessels that operate under high pressure. The alloy’s strength and toughness make it suitable for such applications.
Petrochemical Industry: Used in pressure vessels that store and process chemicals, where the material’s resistance to high pressure and harsh environments is critical.
Nuclear Reactor Components: The alloy is suitable for nuclear reactor components due to its strength, toughness, and resistance to radiation.
Containment Vessels: Utilized in containment vessels that hold radioactive materials, ensuring safety and structural integrity under extreme conditions.
Storage Tanks: These are used in tanks for storing crude oil and natural gas under high pressure.
Heat Exchangers: Suitable for heat exchangers that operate under high-pressure conditions.
Steam Boilers: These are used in steam boilers where high-temperature and high-pressure steam is generated.
Pressure Piping: Suitable for high-pressure piping systems in power plants.
Cryogenic Vessels: These are used to construct cryogenic vessels that store and transport liquefied gases at very low temperatures.
Submarine Hulls: These are used to construct submarine hulls, and the material must withstand high pressure and harsh marine environments.
