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Introduction
ASTM A582
/ A582M covers hot-finished and cold-finished free-machining stainless steel
bars intended for applications requiring superior machinability, good corrosion
resistance, and reliable mechanical properties. These grades contain controlled
additions of sulfur or selenium to improve machining characteristics, chip
formation, and tool life during manufacturing operations.
ASTM A582
stainless steel bars are widely used in the production of precision-machined
components, fasteners, shafts, fittings, valve parts, pump components, gears,
bushings, instrumentation parts, and engineering assemblies. These materials
are specifically designed to enhance productivity in automatic and CNC
machining operations.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A582 /
A582M stainless steel bars, supplying premium-quality free-machining stainless
steel products for industrial and engineering applications worldwide.
Applicable Standard
Standard
Specification: ASTM A582 / A582M
Organization:
ASTM International
Title:
Standard Specification for Free-Machining Stainless Steel Bars
This
specification covers hot-finished and cold-finished free-machining stainless
steel bars suitable for machining and fabrication applications.
Forms of Supply
ASTM A582
stainless steel products are supplied in the following forms:
- Round bars
- Square bars
- Hexagonal bars
- Flat bars
- Bright bars
- Cold drawn bars
- Hot rolled bars
- Peeled bars
- Ground bars
- Polished bars
- Precision bars
- Forged bars
- Cut-to-length bars
- Machining quality bars
Grades Covered Under ASTM A582 / A582M
- XM-1
- 303
- XM-5
- 303Se
- XM-2
- 416
- XM-6
- 416Se
- 420F
- 420FSe
- 440F
- 440FSe
- XM-34
- 430F
- 430FSe
Supply Condition
- Hot finished
- Cold finished
- Bright drawn
- Peeled
- Ground
- Annealed
- Solution annealed
- Machining-ready condition
Surface Finish
- Bright finish
- Ground finish
- Polished finish
- Peeled finish
- Turned finish
- Smooth finish
- Mill finish
Standard Sizes
Diameter:
6 mm to 600 mm
Width: Up
to 500 mm
Length:
Up to 6000 mm
Custom
dimensions are available according to customer requirements.
Chemical Composition of ASTM A582 Stainless Steel Bars (%)
Austenitic
Grades
|
Grade |
Carbon (%) |
Manganese (%) |
Phosphorus (%) |
Sulfur (%) |
Silicon Max (%) |
Chromium (%) |
Nickel (%) |
Molybdenum (%) |
Selenium |
Other Elements |
|
XM-1 |
0.08 |
5.00–6.50 |
0.04 |
0.18–0.35 |
1.00 |
16.00–18.00 |
5.00–6.50 |
— |
— |
Cu 1.75–2.25 |
|
303 |
0.15 |
2.00 |
0.20 |
0.15 min |
1.00 |
17.00–19.00 |
8.00–10.00 |
— |
— |
— |
|
XM-5 |
0.15 |
2.50–4.50 |
0.20 |
0.25 min |
1.00 |
17.00–19.00 |
7.00–10.00 |
— |
— |
— |
|
303Se |
0.15 |
2.00 |
0.20 |
0.06 |
1.00 |
17.00–19.00 |
8.00–10.00 |
— |
0.15 min |
— |
|
XM-2 |
0.15 |
2.00 |
0.05 |
0.11–0.16 |
1.00 |
17.00–19.00 |
8.00–10.00 |
0.40–0.60 |
— |
Al 0.60–1.00 |
Martensitic
Grades
|
Grade |
Carbon (%) |
Manganese (%) |
Phosphorus (%) |
Sulfur (%) |
Silicon Max (%) |
Chromium (%) |
Nickel (%) |
Molybdenum (%) |
Selenium |
Other Elements |
|
416 |
0.15 |
1.25 |
0.06 |
0.15 min |
1.00 |
12.00–14.00 |
— |
— |
— |
— |
|
XM-6 |
0.15 |
1.50–2.50 |
0.06 |
0.15 min |
1.00 |
12.00–14.00 |
— |
— |
— |
— |
|
416Se |
0.15 |
1.25 |
0.06 |
0.06 |
1.00 |
12.00–14.00 |
— |
— |
0.15 min |
— |
|
420F |
0.30–0.40 |
1.25 |
0.06 |
0.15 min |
1.00 |
12.00–14.00 |
0.50ᶜ |
— |
— |
Cu 0.60 maxᶜ |
|
420FSe |
0.20–0.40 |
1.25 |
0.06 |
0.06 |
1.00 |
12.00–14.00 |
0.50ᶜ |
— |
0.15 min |
Cu 0.60 maxᶜ |
|
440F |
0.95–1.20 |
1.25 |
0.06 |
0.15 min |
1.00 |
16.00–18.00 |
0.50ᶜ |
— |
— |
Cu 0.60 maxᶜ |
|
440FSe |
0.95–1.20 |
1.25 |
0.06 |
0.06 |
1.00 |
16.00–18.00 |
0.50ᶜ |
— |
0.15 min |
Cu 0.60 maxᶜ |
Ferritic
Grades
|
Grade |
Carbon (%) |
Manganese (%) |
Phosphorus (%) |
Sulfur (%) |
Silicon Max (%) |
Chromium (%) |
Nickel (%) |
Molybdenum (%) |
Selenium |
Other Elements |
|
XM-34 |
0.08 |
2.50 |
0.04 |
0.15 min |
1.00 |
17.50–19.50 |
— |
1.50–2.50 |
— |
— |
|
430F |
0.12 |
1.25 |
0.06 |
0.15 min |
1.00 |
16.00–18.00 |
— |
— |
— |
— |
|
430FSe |
0.12 |
1.25 |
0.06 |
0.06 |
1.00 |
16.00–18.00 |
— |
— |
0.15 min |
— |
Key Features of ASTM A582 Stainless Steel Bars
- Excellent machinability
- Superior chip-breaking
characteristics
- Improved tool life
- High-speed machining capability
- Good corrosion resistance
- Excellent dimensional accuracy
- Reliable mechanical properties
- Suitable for automatic machining
operations
- Good surface finish after machining
- Cost-effective manufacturing
solution
Applications of ASTM A582 Stainless Steel Bars
Fastener Industry
- Bolts
- Nuts
- Screws
- Studs
- Precision threaded components
Valve and Pump Industry
- Valve stems
- Pump shafts
- Valve bodies
- Precision machined components
Automotive Industry
- Shafts
- Bushings
- Couplings
- Engine components
Engineering Industry
- Gears
- Machine components
- Mechanical assemblies
- Precision machined parts
Aerospace Industry
- Instrumentation components
- Aerospace fittings
- Specialized fasteners
Industrial Manufacturing
- CNC machined parts
- Turned components
- Automatic screw machine products
- Precision engineering products
Fabrication and Machining
ASTM A582
stainless steel bars are specifically designed for machining operations.
- Excellent CNC machining performance
- Suitable for automatic screw
machines
- High-speed turning capability
- Excellent drilling characteristics
- Good threading performance
- Superior chip control
- Reduced machining costs
- Improved production efficiency
The
sulfur and selenium additions significantly enhance machinability compared to
conventional stainless steel grades.
Heat Treatment
ASTM A582
stainless steel bars may be supplied in annealed or heat-treated conditions
depending on the grade.
- Solution annealing improves
corrosion resistance
- Annealing enhances machinability
- Heat treatment improves strength in
martensitic grades
- Stress relieving may be performed
where required
- Controlled processing ensures
uniform properties
Advantages of ASTM A582 Stainless Steel Bars
- Outstanding machinability
- Reduced machining time
- Longer cutting tool life
- Improved production efficiency
- Excellent dimensional consistency
- Good corrosion resistance
- Reliable performance
- Superior surface finish
- Suitable for mass production
- Cost-effective engineering material
Conclusion
ASTM A582
/ A582M free-machining stainless steel bars are premium stainless steel
products developed for high-speed machining and precision manufacturing
applications. Available in grades such as XM-1, 303, XM-5, 303Se, XM-2, 416,
XM-6, 416Se, 420F, 420FSe, 440F, 440FSe, XM-34, 430F, and 430FSe, these bars
offer excellent machinability, good corrosion resistance, superior chip
control, and dependable mechanical properties.
Ladhani Metal Corporation
supplies ASTM A582 / A582M stainless steel bars in various grades, sizes, and
customized dimensions, providing reliable material solutions for machining,
engineering, automotive, valve, pump, and industrial manufacturing applications
worldwide.
FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
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