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Introduction
ASTM A313 /
A313M covers stainless steel spring wire intended for the manufacture of
springs and wire forms requiring high strength, elasticity, and corrosion
resistance. These wires are specifically designed to maintain mechanical
properties under repeated stress and varying environmental conditions.
ASTM A313
stainless steel spring wire is widely used in industries where durability,
fatigue resistance, and corrosion protection are critical.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A313 /
A313M stainless steel spring wire, supplying high-quality wire for precision
spring and industrial applications.
Applicable Standard
Standard
Specification: ASTM A313 / A313M
Organization: ASTM International
Title: Standard Specification for Stainless Steel Spring Wire
This
specification covers stainless steel wire for springs and other applications
requiring high tensile strength and corrosion resistance.
Forms of Supply
ASTM A313
stainless steel spring wire is supplied in the following forms:
Coiled wire
Spool wire
Straightened wire
Cut lengths
Supply
Condition
Cold drawn
Spring temper
Annealed (for forming purposes)
Surface
Finish
Bright
finish
Soap coated
Clean surface
Standard
Sizes
Diameter:
0.10 mm to 12 mm
Coil Weight: As per requirement
Packaging: Coil / Spool / Carrier
Grades Covered Under ASTM A313 / A313M
XM-28
302
304
305
316
321
347
631 (17-7 PH)
XM-16
These grades
include austenitic and precipitation-hardening stainless steels, offering a
wide range of strength, corrosion resistance, and spring performance
characteristics.
Chemical Composition of ASTM A313 Stainless Steel
Spring Wire (%)
Austenitic Grades
|
Type / Grade |
Carbon |
Manganese |
Phosphorus |
Sulfur |
Silicon |
Chromium |
Nickel |
Molybdenum |
Nitrogen |
Other Elements |
|
XM-28 |
0.15 |
11.0–14.0 |
0.060 |
0.030 |
1.00 |
16.5–19.0 |
0.50–2.50 |
— |
0.20–0.45 |
— |
|
302 |
0.12 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
8.0–10.0 |
— |
0.10 |
— |
|
304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–10.5 |
— |
0.10 |
— |
|
305 |
0.12 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
10.5–13.0 |
— |
— |
— |
|
316 |
0.07 |
2.00 |
0.045 |
0.030 |
1.00 |
16.5–18.0 |
10.5–13.5 |
2.00–2.50 |
0.10 |
— |
|
321 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–12.0 |
— |
— |
Ti 5×(C+N) min |
|
347 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–13.0 |
— |
— |
10×C min Nb |
Age-Hardenable Grades
|
Type / Grade |
Carbon |
Manganese |
Phosphorus |
Sulfur |
Silicon |
Chromium |
Nickel |
Molybdenum |
Nitrogen |
Other Elements |
|
631 |
0.09 |
1.00 |
0.040 |
0.030 |
1.00 |
16.0–18.0 |
6.5–7.8 |
— |
— |
Al 0.75–1.50 |
|
XM-16 |
0.05 |
0.50 |
0.040 |
0.030 |
0.50 |
11.0–12.5 |
7.5–9.5 |
0.50 |
— |
Ti 0.80–1.40, Cu 1.50–2.50, Nb 0.10–0.50 |
Key Features of ASTM A313 Stainless Steel Spring Wire
High tensile
strength and elasticity
Excellent fatigue resistance
Good corrosion resistance
Maintains properties under repeated loading
Available in multiple grades and tempers
Suitable for precision spring manufacturing
Long service life
Applications of ASTM A313 Stainless Steel Spring Wire
ASTM A313
wire is widely used in industries requiring strength, flexibility, and
corrosion resistance.
Spring
Manufacturing
• Compression springs
• Tension springs
• Torsion springs
Automotive
Industry
• Suspension components
• Clips and fasteners
Industrial
Equipment
• Wire forms
• Mechanical springs
Medical
& Precision Applications
• Surgical springs
• Precision wire components
Heat Treatment
Cold drawn
wires may be stress relieved after forming
Precipitation hardening for grades like 631 (17-7 PH)
Heat treatment enhances strength and fatigue resistance
Ensures consistent spring performance
Conclusion
ASTM A313 / A313M stainless steel spring wire provides an excellent solution for applications requiring high strength, elasticity, and corrosion resistance. With a wide range of grades including XM-series and precipitation-hardening steels, it is ideal for manufacturing durable and high-performance springs.
Ladhani Metal Corporation supplies ASTM A313 / A313M stainless steel spring wire in various grades and sizes, ensuring premium quality products for automotive, industrial, and precision engineering applications.
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