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Introduction
ASTM
A553 / A553M covers quenched and tempered nickel alloy steel plates intended
primarily for welded pressure vessels used in low-temperature and cryogenic
service applications. These plates are specially engineered to maintain
excellent toughness, strength, and resistance to brittle fracture at extremely
low temperatures.
The
high nickel content in ASTM A553 alloy steel plates provides exceptional
low-temperature impact properties, making them one of the preferred materials
for liquefied natural gas (LNG) storage tanks, cryogenic vessels, industrial
gas storage systems, and pressure-retaining equipment operating under severe
temperature conditions.
ASTM
A553 plates are extensively utilized in industries where safety, reliability,
and mechanical integrity are critical under cryogenic service environments.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A553 /
A553M alloy steel plates, supplying premium-quality plates for LNG, cryogenic,
petrochemical, and pressure vessel applications worldwide.
Applicable Standard
Standard
Specification: ASTM A553 / A553M
Organization:
ASTM International
Title:
Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and
Tempered 7%, 8%, and 9% Nickel
This
specification covers quenched and tempered nickel alloy steel plates intended
for welded pressure vessels operating at low and cryogenic temperatures.
Forms of Supply
ASTM
A553 alloy steel plates are supplied in the following forms:
- Alloy
steel plates
- Pressure
vessel plates
- Cryogenic
steel plates
- Nickel
alloy steel plates
- Quenched
and tempered plates
- Heavy
thickness plates
- Hot
rolled plates
- Floor
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
- Pressure
vessel blanks
- Fabricated
plate components
Types Covered Under
ASTM A553
ASTM
A553 Type I
Type
I is a 9% nickel steel plate designed for applications requiring outstanding
toughness and impact resistance at extremely low temperatures. It is commonly
used in LNG storage tanks and cryogenic pressure vessels.
ASTM
A553 Type II
Type
II is an 8% nickel steel plate offering excellent low-temperature performance
combined with high strength and good weldability. It is widely used in
cryogenic storage and gas processing equipment.
Supply Condition
- Quenched
and tempered
- Double
normalized and tempered
- Heat-treated
condition
- Stress
relieved condition upon request
- 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 150 mm
Width:
1000 mm to 3500 mm
Length:
Up to 18000 mm
Custom
dimensions are available according to project specifications.
Chemical
Composition of ASTM A553 Alloy Steel Plates (%)
|
Element |
Analysis Type |
Type I |
Type II |
|
Carbon, maxA |
— |
0.13 |
0.13 |
|
Manganese, max |
Heat Analysis |
0.90 |
0.90 |
|
Product Analysis |
0.98 |
0.98 |
|
|
Phosphorus, maxA |
— |
0.035 |
0.035 |
|
Sulfur, maxA |
— |
0.035 |
0.035 |
|
Silicon |
Heat Analysis |
0.15–0.40 |
0.15–0.40 |
|
Product Analysis |
0.13–0.45 |
0.13–0.45 |
|
|
Nickel |
Heat Analysis |
8.50–9.50 |
7.50–8.50 |
|
Product Analysis |
8.40–9.60 |
7.40–8.60 |
Note A: Applies to both heat and product
analyses.
Tensile
Requirements
|
Property |
Requirement |
|
Tensile Strength,
ksi [MPa] |
100–120 [690–825] |
|
Yield Strength
(0.2% Offset), ksi [MPa] |
85 [585] |
|
Elongation in 2
in. [50 mm], min, % |
20.0 |
Key Features of
ASTM A553 Alloy Steel Plates
- Exceptional
low-temperature toughness
- Excellent
cryogenic performance
- High
nickel content for enhanced impact resistance
- Superior
resistance to brittle fracture
- Excellent
weldability
- High
tensile and yield strength
- Outstanding
structural integrity
- Reliable
performance under severe service conditions
- Long
operational life
- Suitable
for critical pressure vessel applications
Applications of
ASTM A553 Alloy Steel Plates
LNG Industry
- LNG
storage tanks
- LNG
terminals
- LNG
transportation systems
- Cryogenic
processing equipment
Cryogenic Industry
- Cryogenic
pressure vessels
- Refrigeration
systems
- Low-temperature
storage tanks
- Cryogenic
process equipment
Industrial Gas Industry
- Liquid
oxygen storage tanks
- Liquid
nitrogen vessels
- Liquid
argon storage systems
- Industrial
gas processing equipment
Petrochemical Industry
- Low-temperature
reactors
- Pressure
vessels
- Gas
processing systems
- Cryogenic
process units
Oil and Gas Industry
- LNG
infrastructure
- Gas
separation plants
- Storage
facilities
- Pressure-retaining
systems
Power Generation Industry
- Low-temperature
processing equipment
- Specialized
storage systems
- Industrial
process vessels
- Energy
infrastructure projects
Fabrication and
Welding
ASTM
A553 alloy steel plates offer excellent fabrication characteristics and can be
readily processed using conventional manufacturing methods.
- Suitable
for welded pressure vessel construction
- Good
cold forming characteristics
- Excellent
structural stability
- Good
machinability
- Suitable
for rolling and fabrication operations
- Reliable
weldability for cryogenic applications
Proper
fabrication procedures help preserve the low-temperature toughness and
mechanical properties of the material.
Heat Treatment
The
exceptional properties of ASTM A553 plates are achieved through carefully
controlled heat treatment procedures.
- Quenching
increases strength and hardness
- Tempering
improves toughness and ductility
- Double
normalizing refines grain structure
- Heat
treatment enhances cryogenic performance
- Controlled
processing ensures uniform mechanical properties throughout the plate
These
heat treatment processes are essential for achieving the required low-temperature
impact properties and service performance.
Advantages of ASTM
A553 Alloy Steel Plates
- Outstanding
cryogenic toughness
- Excellent
resistance to brittle fracture
- Superior
low-temperature impact properties
- High
mechanical strength
- Reliable
service performance
- Long
operational life
- Excellent
weldability
- Suitable
for critical cryogenic applications
- Proven
performance in LNG service
- Enhanced
safety in low-temperature environments
Conclusion
ASTM
A553 / A553M Type I and Type II alloy steel plates are premium nickel alloy
steels developed specifically for cryogenic and low-temperature pressure vessel
applications. Their exceptional toughness, high strength, superior weldability,
and resistance to brittle fracture make them ideal for LNG storage tanks,
industrial gas systems, cryogenic vessels, petrochemical plants, and critical
pressure-retaining equipment.
Ladhani
Metal Corporation supplies ASTM A553 / A553M alloy steel plates in various
thicknesses and customized dimensions, providing reliable material solutions
for cryogenic storage, LNG infrastructure, and low-temperature industrial
applications.
FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
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 Quenched and Tempered Nickel Alloy Steel Plates for Cryogenic and Low-Temperature Pressure Vessel Applications){kind=link}