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Introduction
ASTM A564 / A564M covers
hot-finished and cold-finished age-hardening stainless steel bars, shapes,
forgings, and special quality products intended for applications requiring high
strength, excellent corrosion resistance, and superior toughness. These
stainless steel grades achieve their enhanced mechanical properties through
precipitation hardening heat treatment processes.
ASTM A564 stainless steel
bars and tubes are widely used in aerospace, marine, petrochemical, power
generation, defense, oil and gas, chemical processing, and industrial
engineering applications. Their combination of high strength, corrosion
resistance, and durability makes them suitable for critical components
operating under demanding service conditions.
Ladhani Metal Corporation is
a manufacturer, supplier, and exporter of ASTM A564 / A564M stainless steel
bars and tubes, supplying premium-quality stainless steel products for
industrial and engineering applications worldwide.
Applicable Standard
Standard Specification: ASTM
A564 / A564M
Organization: ASTM
International
Title: Standard Specification
for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
This specification covers
precipitation hardening stainless steel bars, shapes, and related products
intended for high-strength corrosion-resistant applications.
Forms of Supply
ASTM A564 stainless steel
products are supplied in the following forms:
- Round bars
- Square bars
- Hex bars
- Flat bars
- Forged bars
- Bright bars
- Peeled bars
- Ground bars
- Polished bars
- Stainless steel tubes
- Mechanical tubes
- Hollow bars
- Precision tubes
- Cut-to-length bars
- Custom machined components
Supply Condition
- Hot finished
- Cold finished
- Solution annealed
- Condition A
- H900
- H1025
- H1075
- H1100
- H1150
- Age hardened
- Machined condition
Surface Finish
- Bright finish
- Ground finish
- Polished finish
- Peeled finish
- Turned finish
- Smooth finish
- Mill finish
Standard Sizes
Bars
Diameter: 6 mm to 600 mm
Length: Up to 6000 mm
Tubes
Outside Diameter: 6 mm to
323.9 mm
Wall Thickness: 1 mm to 25 mm
Length: Up to 12 meters
Custom dimensions are
available according to customer specifications.
Chemical Composition
|
Grade |
Carbon (%) |
Manganese (%) |
Phosphorus (%) |
Sulfur (%) |
Silicon (%) |
Chromium (%) |
Nickel (%) |
Aluminum (%) |
Molybdenum (%) |
Titanium (%) |
Copper (%) |
Other Elements |
|
630 |
0.07 |
1.00 |
0.040 |
0.030 |
1.00 |
15.00–17.50 |
3.00–5.00 |
— |
— |
— |
3.00–5.00 |
C |
|
631 |
0.09 |
1.00 |
0.040 |
0.030 |
1.00 |
16.00–18.00 |
6.50–7.75 |
0.75–1.50 |
— |
— |
— |
— |
|
632 |
0.09 |
1.00 |
0.040 |
0.030 |
1.00 |
14.00–16.00 |
6.50–7.75 |
0.75–1.50 |
2.00–3.00 |
— |
— |
— |
|
634 |
0.10–0.15 |
0.50–1.25 |
0.040 |
0.030 |
0.50 |
15.00–16.00 |
4.00–5.00 |
— |
2.50–3.25 |
— |
— |
D |
|
635 |
0.08 |
1.00 |
0.040 |
0.030 |
1.00 |
16.00–17.50 |
6.00–7.50 |
0.40 |
— |
0.40–1.20 |
— |
— |
|
XM-12 |
0.07 |
1.00 |
0.030 |
0.030 |
1.00 |
14.00–15.50 |
3.50–5.50 |
— |
— |
— |
2.50–4.50 |
C |
|
XM-13 |
0.20 |
0.20 |
0.010 |
0.008 |
0.10 |
12.25–13.25 |
7.50–8.50 |
0.90–1.35 |
2.00–2.50 |
— |
— |
E |
|
XM-16 |
0.03 |
0.50 |
0.015 |
0.015 |
0.50 |
11.00–12.50 |
7.50–9.50 |
— |
0.50 |
0.90–1.40 |
1.50–2.50 |
F |
|
XM-25 |
0.05 |
1.00 |
0.030 |
0.030 |
1.00 |
14.00–16.00 |
5.00–7.00 |
— |
0.50–1.00 |
— |
1.25–1.75 |
G |
Notes
|
Note |
Requirement |
|
C |
Columbium + Tantalum: 0.15–0.45% |
|
D |
Nitrogen: 0.07–0.13% |
|
E |
Nitrogen: 0.01% |
|
F |
Columbium + Tantalum: 0.10–0.50% |
|
G |
Columbium: 8 × Carbon Minimum |
Key Features of ASTM A564 Stainless Steel Bars and Tubes
- High tensile strength
- Excellent corrosion resistance
- Superior toughness
- Outstanding fatigue resistance
- Good machinability
- Excellent wear resistance
- Heat treatable for enhanced
strength
- Good dimensional stability
- Long service life
- Suitable for critical engineering
applications
Applications of ASTM A564 Stainless Steel Bars and Tubes
Aerospace Industry
- Aircraft components
- Landing gear parts
- Structural fittings
- Aerospace fasteners
Oil and Gas Industry
- Valve components
- Pump shafts
- Offshore equipment
- Pressure-containing parts
Marine Industry
- Propeller shafts
- Marine hardware
- Corrosion-resistant components
- Offshore structures
Petrochemical Industry
- Process equipment
- Pump components
- Valve stems
- Chemical handling systems
Power Generation Industry
- Turbine components
- High-strength shafts
- Fasteners
- Mechanical assemblies
Industrial Engineering
- Gears
- Couplings
- Machine components
- Structural parts
Fabrication and Machining
ASTM A564 stainless steel
products offer excellent fabrication characteristics.
- Good machinability in
solution-treated condition
- Suitable for CNC machining
- Excellent forging properties
- Good weldability with appropriate
procedures
- Suitable for precision engineering
applications
- Excellent dimensional stability
after heat treatment
Heat Treatment
The precipitation hardening
process is the key feature of ASTM A564 grades.
- Solution annealing improves
workability
- Aging treatment increases strength
- H900 condition provides maximum
strength
- H1025 and H1150 conditions provide
improved toughness
- Controlled heat treatment optimizes
mechanical properties
Advantages of ASTM A564 Stainless Steel Bars and Tubes
- Exceptional strength-to-weight
ratio
- Excellent corrosion resistance
- Superior mechanical performance
- Long operational life
- Good resistance to stress corrosion
cracking
- Excellent fatigue strength
- Reduced maintenance requirements
- Reliable performance in harsh
environments
- Suitable for high-performance
engineering applications
- Cost-effective lifecycle
performance
Conclusion
ASTM A564 / A564M stainless
steel bars and tubes are premium precipitation hardening stainless steel
products designed for applications requiring high strength, excellent corrosion
resistance, and outstanding durability. Available in grades such as 630 (17-4
PH), XM-12, J93370, J93500, J92205, and J93372, these products are widely used
in aerospace, marine, petrochemical, oil and gas, power generation, and
industrial engineering sectors.
Ladhani Metal Corporation supplies
ASTM A564 / A564M stainless steel bars and tubes in various grades, sizes, and
customized dimensions, providing reliable material solutions for critical
industrial and engineering applications worldwide.
www.ladhanimetal.com
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