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Introduction
ASTM A693
covers precipitation-hardening stainless steel sheets, plates, and strips
intended for applications requiring high strength, excellent corrosion
resistance, superior toughness, and outstanding mechanical performance. These
stainless steel products are supplied in solution-treated or precipitation-hardened
conditions to meet the demanding requirements of aerospace, industrial, marine,
chemical processing, and precision engineering applications.
ASTM A693
stainless steel sheets, plates, and strips offer an excellent combination of
corrosion resistance, high yield strength, fatigue resistance, and heat
treatment capability. Their ability to achieve high mechanical strength through
precipitation hardening makes them ideal for manufacturing structural
components, fasteners, springs, shafts, valves, pump components, aircraft
parts, and other critical engineering products.
These
stainless steel products are widely used in aerospace, petrochemical, marine,
power generation, food processing, medical, and heavy engineering industries
where superior mechanical properties and long-term corrosion resistance are
essential.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A693
Stainless Steel Sheets, Plates, and Strips, supplying premium-quality
precipitation-hardening stainless steel products for industrial, aerospace,
marine, and engineering applications worldwide.
Applicable Standard
Standard
Specification: ASTM A693
Organization:
ASTM International
Title:
Standard Specification for Precipitation-Hardening Stainless Steel Plate,
Sheet, and Strip
This
specification covers precipitation-hardening stainless steel plate, sheet, and
strip intended for applications requiring high strength, excellent corrosion
resistance, and superior mechanical properties.
Forms of Supply
ASTM A693
stainless steel products are supplied in the following forms:
•
Stainless steel sheets
• Stainless steel plates
• Stainless steel strips
• Hot rolled plates
• Cold rolled sheets
• Precision strips
• Slit strips
• Cut-to-length sheets
• Flat rolled products
• Fabrication-ready components
• Industrial stainless steel plates
• Custom-sized products
Grades Covered Under ASTM A693
• 631
• 632
• 633
• 634
• 635
• XM-9
• XM-12
• XM-13
• XM-16
• XM-25
Supply Condition
•
Solution treated
• Precipitation hardened
• Annealed
• Cold rolled
• Hot rolled
• Heat treated
Surface Finish
• No. 1
Finish
• 2B Finish
• Bright Annealed (BA) Finish
• Mill Finish
• Ground Finish
• Polished Finish
Standard Sizes
Sheets and Plates
Thickness:
0.50 mm to 100 mm
Width:
1000 mm to 2500 mm
Length:
Up to 12000 mm
Strips
Thickness:
0.20 mm to 6 mm
Width: 10
mm to 600 mm
Custom
dimensions, slit strips, and fabricated products are available according to
customer requirements.
Chemical Composition of ASTM A693
|
Type |
Carbon |
Manganese |
Phosphorus |
Sulfur |
Silicon |
Chromium |
Nickel |
Aluminum |
Molybdenum |
Titanium |
Copper |
Other Elements |
|
631 |
0.09 |
1.00 |
0.040 |
0.030 |
1.00 |
16.0–18.0 |
6.5–7.7 |
0.75–1.50 |
— |
— |
— |
— |
|
632 |
0.09 |
1.00 |
0.040 |
0.030 |
1.00 |
14.0–16.0 |
6.5–7.7 |
0.75–1.50 |
2.00–3.00 |
— |
— |
E |
|
633 |
0.07–0.11 |
0.50–1.25 |
0.040 |
0.030 |
0.50 |
16.0–17.0 |
4.0–5.0 |
— |
2.5–3.2 |
— |
— |
F |
|
634 |
0.10–0.15 |
0.50–1.25 |
0.040 |
0.030 |
0.50 |
15.0–16.0 |
4.0–5.0 |
— |
2.5–3.2 |
— |
— |
F |
|
635 |
0.08 |
1.00 |
0.040 |
0.030 |
1.00 |
16.0–17.5 |
6.0–7.5 |
0.40 |
— |
0.40–1.20 |
— |
D |
|
XM-9 |
0.05 |
0.50 |
0.030 |
0.030 |
0.30 |
14.0–14.5 |
6.5–7.0 |
0.10 |
0.30 |
0.60–0.90 |
— |
G |
|
XM-12 |
0.07 |
1.00 |
0.040 |
0.030 |
1.00 |
14.0–15.5 |
3.5–5.5 |
— |
— |
— |
2.5–4.5 |
D |
|
XM-13 |
0.05 |
0.20 |
0.010 |
0.008 |
0.10 |
12.3–13.2 |
7.5–8.5 |
0.90–1.35 |
2.00–2.50 |
— |
— |
G |
|
XM-16 |
0.05 |
0.50 |
0.040 |
0.030 |
0.50 |
11.0–12.5 |
7.5–9.5 |
— |
0.50 |
0.80–1.40 |
1.50–2.50 |
F |
|
XM-25 |
0.05 |
1.00 |
0.030 |
0.030 |
1.00 |
14.0–16.0 |
5.0–7.0 |
— |
0.50–1.00 |
— |
1.25–1.75 |
H |
|
(Last Grade) |
0.02 |
0.25 |
0.015 |
0.010 |
0.25 |
11.0–12.5 |
10.8–11.2 |
— |
0.75–1.25 |
1.50–1.80 |
— |
G |
Notes
- D: Columbium plus
tantalum.
- E: Nitrogen
0.07–0.13.
- F: Columbium plus
tantalum 0.10–0.50.
- G: Nitrogen 0.01.
- H: Columbium 8 times the carbon minimum
Key Features of ASTM A693 Stainless Steel
Products
• High
mechanical strength
• Excellent corrosion resistance
• Superior fatigue resistance
• Excellent toughness
• Outstanding heat treatment response
• Good weldability (selected grades)
• Excellent dimensional stability
• High strength-to-weight ratio
• Long service life
• Suitable for critical engineering applications
Applications of ASTM A693 Stainless Steel
Products
Aerospace Industry
•
Aircraft structural components
• Aerospace fasteners
• Engine components
• Landing gear parts
Marine Industry
• Marine
hardware
• Offshore equipment
• Corrosion-resistant components
• Marine structural parts
Chemical Processing Industry
•
Chemical equipment
• Process vessels
• Pump components
• Valve assemblies
Power Generation Industry
• Turbine
components
• Heat-resistant structural parts
• Power plant equipment
• Mechanical assemblies
Industrial Manufacturing
• Shafts
• Springs
• Fasteners
• Precision engineering components
General Engineering
• Machine
parts
• Wear-resistant components
• Structural assemblies
• Industrial fabrication
Fabrication and Welding
ASTM A693
stainless steel products offer excellent fabrication characteristics depending
on the selected grade.
• Good
machining characteristics in the solution-treated condition
• Suitable for precision fabrication
• Good forming properties
• Excellent grinding performance
• Welding procedures should be selected according to the grade specified
• Heat treatment after fabrication may be required for optimum mechanical
performance
Proper
fabrication and precipitation-hardening procedures ensure maximum strength and
corrosion resistance.
Heat Treatment
ASTM A693
precipitation-hardening stainless steels are designed to achieve high
mechanical properties through controlled heat treatment.
•
Solution treatment prepares the material for aging
• Precipitation hardening develops maximum strength
• Stress relieving reduces residual stresses after fabrication
• Controlled aging improves hardness and toughness
• Proper heat treatment ensures consistent mechanical properties
Heat
treatment procedures vary according to the selected ASTM A693 grade.
Advantages of ASTM A693 Stainless Steel
Products
•
Excellent corrosion resistance
• High strength after precipitation hardening
• Superior fatigue resistance
• Excellent dimensional stability
• Long operational service life
• Reliable mechanical performance
• Good fabrication characteristics
• Suitable for demanding industrial applications
• High durability in corrosive environments
• Cost-effective lifecycle performance
Conclusion
ASTM A693
Stainless Steel Sheets, Plates, and Strips are high-performance
precipitation-hardening stainless steel products developed for applications
requiring exceptional strength, corrosion resistance, toughness, and
durability. Available in Grades 631, 632, 633, 634, 635, XM-9, XM-12, XM-13,
XM-16, and XM-25, these materials are widely used in aerospace, marine,
chemical processing, power generation, industrial manufacturing, and precision
engineering applications.
Ladhani Metal Corporation supplies ASTM A693 stainless steel sheets, plates, and strips in various grades, sizes, heat-treated conditions, surface finishes, and customized dimensions, providing dependable stainless steel solutions for industrial, aerospace, marine, and engineering projects worldwide.
FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
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