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Introduction
ASTM A473
covers stainless steel forgings intended for use in boilers, pressure vessels,
turbines, valves, flanges, and other high-strength industrial applications.
These forgings are manufactured to provide excellent corrosion resistance,
toughness, strength, and durability under high-pressure and
elevated-temperature service conditions.
ASTM A473
stainless steel forgings are widely used in industries requiring reliable
forged components for corrosive and demanding operating environments.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A473
stainless steel forgings, supplying high-quality forged products for critical
industrial and engineering applications.
Applicable Standard
Standard
Specification: ASTM A473
Organization: ASTM International
Title: Standard Specification for Stainless Steel Forgings
This
specification covers stainless steel forgings for pressure-containing and
high-temperature service applications.
Forms of Supply
ASTM A473
stainless steel forgings are supplied in the following forms:
Forged rings
Forged shafts
Forged discs
Forged blocks
Forged flanges
Forged valve bodies
Custom forged components
Supply
Condition
Annealed
condition
Solution annealed
Quenched and tempered (for martensitic grades)
Surface
Finish
Black
surface
Rough machined
Shot blasted
Machined finish
Standard
Sizes
Diameter: Up
to 3000 mm
Thickness: Up to 1000 mm
Weight: As per requirement
(Custom
sizes available as per drawings)
Grades Covered Under ASTM A473
304
304L
316
316L
410
420
431
These grades
include austenitic and martensitic stainless steels offering excellent
corrosion resistance, strength, and toughness.
Chemical Composition of ASTM A473 Stainless Steel
Forgings (%)
|
Grade |
Carbon % |
Manganese % |
Phosphorus % |
Sulfur % |
Silicon % |
Chromium % |
Nickel % |
Molybdenum % |
Nitrogen % |
Other Elements % |
|
304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–10.5 |
... |
0.10 |
... |
|
304L |
0.030 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–12.0 |
... |
0.10 |
... |
|
310 |
0.25 |
2.00 |
0.045 |
0.030 |
1.50 |
24.0–26.0 |
19.0–22.0 |
... |
... |
... |
|
316 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
0.10 |
... |
|
316L |
0.030 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
0.10 |
... |
|
317 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
11.0–15.0 |
3.0–4.0 |
0.10 |
... |
|
321 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–12.0 |
... |
... |
Ti 5×C min |
|
347 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–13.0 |
... |
... |
Cb+Ta 10×C
min |
|
410 |
0.15 max |
1.00 max |
0.040 max |
0.030 max |
1.00 max |
11.5–13.5 |
... |
... |
... |
... |
|
430 |
0.12 max |
1.00 max |
0.040 max |
0.030 max |
1.00 max |
16.0–18.0 |
... |
... |
... |
... |
Mechanical Properties
|
Grade |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
|
304 |
≥ 515 |
≥ 205 |
≥ 35 |
|
304L |
≥ 485 |
≥ 170 |
≥ 35 |
|
316 |
≥ 515 |
≥ 205 |
≥ 35 |
|
316L |
≥ 485 |
≥ 170 |
≥ 35 |
|
410 |
≥ 450 |
≥ 275 |
≥ 20 |
|
420 |
≥ 700 |
≥ 500 |
≥ 12 |
|
431 |
≥ 850 |
≥ 655 |
≥ 10 |
Key Features of ASTM A473 Stainless Steel Forgings
Excellent
corrosion resistance
High mechanical strength
Good toughness and durability
Reliable performance under pressure
Excellent machinability and weldability
Suitable for high-temperature and corrosive environments
Long service life
Applications of ASTM A473 Stainless Steel Forgings
ASTM A473
forgings are widely used in industries requiring strength, corrosion
resistance, and pressure performance.
Oil &
Gas Industry
• Valve bodies
• Pressure fittings
Power Plants
• Turbine components
• High-pressure systems
Chemical
Industry
• Corrosive process equipment
• Reactor components
Industrial
Engineering
• Forged shafts and rings
• Heavy-duty machinery parts
Heat Treatment
Austenitic
grades are solution annealed
Martensitic grades are hardened and tempered
Heat treatment improves strength, toughness, and corrosion resistance
Ensures uniform mechanical properties
Conclusion
ASTM A473
stainless steel forgings provide a dependable solution for pressure,
high-temperature, and corrosive service applications. With multiple stainless steel
grades and excellent mechanical properties, these forgings are ideal for
critical industrial and engineering components.
Ladhani
Metal Corporation supplies ASTM A473 stainless steel forgings in various grades
and sizes, ensuring high-quality products for power plants, oil & gas,
chemical processing, and heavy engineering industries.
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