SS 321 Stainless Steel
Coils Manufacturer
At Steel Icon Stainless Pvt. Ltd., we specialize in manufacturing and supplying SS 321 Stainless Steel Coils, ideal for high-temperature service and superior resistance to intergranular corrosion. SS 321 is a titanium-stabilized austenitic stainless steel that maintains strength and durability even during continuous exposure to elevated temperatures.
Our SS 321 coils adhere to ASTM, ASME, EN, and DIN standards and serve industries such as aerospace, chemical processing, power generation, and heat treatment plants.
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
|
Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Specifications
| Property | Specification |
|---|---|
|
Material Grade |
SS 321
|
|
Thickness Range |
0.3mm to 6mm |
|
Width |
1000mm, 1250mm, 1500mm, 2000mm (custom sizes available) |
|
Coil Inner Diameter |
508mm / 610mm |
|
Surface Finish |
2B, BA, No.4, No.1, Mirror Finish |
|
Edge Type |
Slit Edge, Mill Edge |
|
Standards |
ASTM A240, ASTM A480, ASME SA240, EN 10088 |
Chemical Composition
| Element | SS 321 (%) |
|---|---|
|
Carbon (C) |
0.08 max |
|
Chromium (Cr)
|
16.0–18.0
|
|
Nickel (Ni) |
10.0–14.0 |
|
Titanium (Ti)
|
≥5x%C |
|
Manganese (Mn) |
2.00 max |
|
Silicon (Si) |
1.00 max |
Mechanical Properties
| Property | SS 321 |
|---|---|
|
Tensile Strength |
515 – 750 MPa |
|
Yield Strength |
205 MPa min |
|
Elongation (%) |
≥ 40% |
|
Hardness (HRB) |
≤ 95 |
Types of SS 321 Coils Offered
- Hot Rolled Stainless Steel Coils
- Cold Rolled Stainless Steel Coils
- Polished Stainless Steel Coils (2B, No.4, BA, Mirror)
- Slit Coils (Custom Slitting Options Available)
- Annealed & Pickled Coils
Applications
- Aerospace Components – Jet engine parts, exhaust manifolds
- Chemical Processing Plants – Storage tanks, heat exchangers
- Thermal Processing Equipment – Furnaces, heaters, thermal shields
- Power Generation – Boiler casings, superheater tubes
- Oil & Gas Industry – High-temperature pipelines and vessels
Key Benefits
- Outstanding resistance to intergranular corrosion
- Superior performance at sustained elevated temperatures
- Titanium stabilization prevents carbide precipitation during welding
- Excellent mechanical strength and formability
- Versatile surface finish options for various industries
Frequently Asked Questions
Explore our FAQs for insights on materials, customization, and delivery.
Why is SS 321 preferred for high-temperature applications?
SS 321 resists carbide precipitation during prolonged exposure to high temperatures, maintaining material strength.
Can SS 321 coils be welded easily?
Yes, SS 321 coils have excellent weldability with or without filler materials.
What finishes are available for SS 321 coils?
We offer 2B, BA, No.4, No.1, and Mirror finishes.
Are SS 321 coils magnetic?
No, SS 321 is typically non-magnetic in annealed conditions.
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