FOR REQUIREMENT OF THIS GRADE
OR FOR DETAIL CONTACT US AT :-
Introduction
ASTM A543 / A543M covers
quenched and tempered nickel-chromium-molybdenum alloy steel plates intended
primarily for welded pressure vessels and pressure-retaining components
requiring exceptionally high strength and toughness. These plates are specially
designed for demanding applications where superior mechanical properties,
excellent notch toughness, and reliable performance under high-pressure
conditions are critical.
ASTM A543 alloy steel plates
are widely used in pressure vessels, reactors, storage tanks, petrochemical
plants, power generation facilities, offshore installations, and heavy
engineering applications. The addition of nickel, chromium, and molybdenum
provides excellent strength, toughness, and resistance to brittle fracture.
Ladhani Metal Corporation is
a manufacturer, supplier, and exporter of ASTM A543 / A543M alloy steel plates,
supplying premium-quality pressure vessel plates for critical industrial
applications worldwide.
Applicable Standard
Standard Specification: ASTM
A543 / A543M
Organization: ASTM
International
Title: Standard Specification
for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered Nickel-Chromium-Molybdenum
Steel
This specification covers
high-strength quenched and tempered nickel-chromium-molybdenum alloy steel
plates intended for welded pressure vessels and pressure-retaining equipment.
Forms of Supply
ASTM A543 alloy steel plates
are supplied in the following forms:
- Alloy steel plates
- Pressure vessel plates
- Quenched and tempered plates
- Heavy thickness plates
- Hot rolled plates
- Cut-to-size plates
- CNC profile cut plates
- Flame cut plates
- Plasma cut plates
- Water jet cut plates
- Rolled shell plates
- Vessel shell plates
- Plate circles
- Ring cut plates
- Fabricated plate components
- Pressure vessel blanks
- Structural fabrication plates
Supply Condition
- Quenched and tempered
- Heat treated condition
- Stress relieved condition
- Shot blasted condition
- Fabrication-ready condition
Surface Finish
- Hot rolled finish
- Shot blasted finish
- Pickled finish
- Primer coated finish
- Shop coated finish
- Clean mill finish
Standard Sizes
Thickness: 6 mm to 250 mm
Width: 1000 mm to 4000 mm
Length: Up to 18000 mm
Custom dimensions available
upon request.
Chemical
Composition of ASTM A543 Alloy Steel Plates (%)
|
Element |
Type B |
Type C |
|
Carbon, maxA |
0.20 |
0.18 |
|
Manganese, maxA |
0.40 |
0.40 |
|
Phosphorus, maxA |
0.020 |
0.020 |
|
Sulfur, maxA |
0.020 |
0.020 |
|
Silicon – Heat Analysis |
0.15–0.40 |
0.15–0.40 |
|
Silicon – Product Analysis |
0.13–0.45 |
0.13–0.45 |
|
Nickel – Heat Analysis |
2.25–4.00 |
2.00–3.50 |
|
Nickel – Product Analysis |
2.18–4.07 |
1.93–3.57 |
|
Chromium – Heat Analysis |
1.00–1.90 |
1.00–1.90 |
|
Chromium – Product Analysis |
0.94–1.96 |
0.94–1.96 |
|
Molybdenum – Heat Analysis |
0.20–0.65 |
0.20–0.65 |
|
Molybdenum – Product Analysis |
0.16–0.69 |
0.16–0.69 |
|
Vanadium, maxA |
0.03 |
0.03 |
Note A: Applies to both heat and product analyses.
Tensile
Requirements
|
Property |
Class 1 |
Class 2 |
Class 3 |
|
Tensile Strength, ksi [MPa] |
105–125 [725–860] |
115–135 [795–930] |
90–115 [620–795] |
|
Yield Strength, min, ksi [MPa] |
85 [585] |
100 [690] |
70 [485] |
|
Elongation in 2 in. [50 mm], min, % |
14 |
14 |
16 |
Key Features of ASTM A543 Alloy Steel Plates
- Exceptional tensile and yield
strength
- Excellent notch toughness
- Superior low-temperature
performance
- Outstanding pressure resistance
- Good weldability
- Excellent fracture resistance
- High structural integrity
- Reliable performance under severe
operating conditions
- Suitable for critical pressure
vessel applications
- Long service life
Applications of ASTM A543 Alloy Steel Plates
Pressure Vessel Industry
- High-pressure vessels
- Reactor vessels
- Process vessels
- Pressure-retaining equipment
Petrochemical Industry
- Chemical reactors
- Refinery process units
- Pressure systems
- High-pressure equipment
Oil and Gas Industry
- Offshore platforms
- Processing facilities
- Storage vessels
- Pressure equipment
Power Generation Industry
- Steam systems
- Pressure components
- Industrial process equipment
- Specialized pressure vessels
Heavy Engineering Industry
- Critical fabricated structures
- Industrial equipment
- Specialized engineering projects
- Heavy-duty process systems
Fabrication and Welding
ASTM A543 alloy steel plates
offer excellent fabrication characteristics.
- Suitable for conventional welding
methods
- Good forming and machining
properties
- Suitable for pressure vessel
fabrication
- Excellent structural stability
- Preheating may be recommended for
thicker sections
- Post-weld heat treatment may be
required depending on service conditions
Proper fabrication procedures
help maintain toughness and mechanical strength.
Heat Treatment
ASTM A543 plates are supplied
in the quenched and tempered condition.
- Quenching increases strength and
hardness
- Tempering improves toughness and
ductility
- Controlled heat treatment ensures
uniform mechanical properties
- Heat treatment enhances resistance
to brittle fracture
Advantages of ASTM A543 Alloy Steel Plates
- High strength-to-weight ratio
- Excellent toughness characteristics
- Superior low-temperature
performance
- Reliable pressure vessel service
- Long operational life
- Reduced risk of brittle fracture
- Excellent structural integrity
- Suitable for severe industrial
environments
- Cost-effective for critical
applications
Conclusion
ASTM A543 / A543M Class 1 and
Class 2 alloy steel plates are premium quenched and tempered
nickel-chromium-molybdenum steel plates developed for pressure vessel
applications requiring exceptional strength, toughness, and reliability. Their
superior mechanical properties and excellent resistance to brittle fracture
make them ideal for petrochemical plants, oil and gas facilities, power
generation projects, and heavy engineering applications.
Ladhani Metal Corporation
supplies ASTM A543 / A543M alloy steel plates in various classes, thicknesses,
and customized dimensions, ensuring premium-quality materials for pressure
vessel fabrication and critical industrial applications.
FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
#ASTMA543 #ASTMA543M
#ASTMA543SteelPlate #ASTMA543PressureVesselSteel #ASTMA543AlloySteel
#ASTMA543PressureVesselPlate #ASTMA543QuenchedAndTempered
#ASTMA543HeatTreatedSteel #ASTMA543Class1 #ASTMA543Class2
#ASTMA543HighStrengthSteel #ASTMA543BoilerPlate #ASTMA543SteelSheets
#ASTMA543PlateSupplier #ASTMA543Manufacturer #ASTMA543Exporter
#ASTMA543Stockist #ASTMA543Dealer #ASTMA543IndustrialSteel
#ASTMA543SteelProducts #ASTMA543LowAlloySteel #ASTMA543PressureEquipmentSteel
#ASTMA543HeavyPlate #ASTMA543EngineeringSteel #ASTMA543MechanicalProperties
#ASTMA543ChemicalComposition #ASTMA543SteelDistributor #ASTMA543PlateExporter
#ASTMA543FabricationSteel #ASTMA543HighTemperatureSteel #ASTMA543ReactorSteel
#ASTMA543PowerPlantSteel #ASTMA543PetrochemicalSteel #ASTMA543RefinerySteel
#ASTMA543WeldableSteel #ASTMA543IndustrialApplications #ASTMA543HeavyDutySteel
#ASTMA543SteelManufacturer #ASTMA543SteelStockist #ASTMA543AlloySteelPlate
#ASTMA543PressureRetainingSteel #ASTMA543HeatResistantSteel #ASTMA543SteelGrade
#ASTMPressureVesselSteel #AlloySteelPlate #PressureVesselPlate
#QuenchedTemperedSteel #IndustrialSteelPlate #HighStrengthAlloySteel
#BoilerQualitySteelPlate #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad
#Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar
#Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur
#Gwalior #Vijayawada #Jodhpur #Raipur #Kota #Guwahati #Chandigarh #Solapur
#Hubli #Mysuru #Tiruchirappalli #Bareilly
@Mumbai @Delhi @Chennai @Kolkata
@Hyderabad @Bengaluru
 Quenched and Tempered Nickel-Chromium-Molybdenum Steel Plates for Pressure Vessel Applications){kind=link}