SS 321 Stainless Steel
Sheets Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a prominent manufacturer and supplier of SS 321 Stainless Steel Sheets, offering high-quality sheets known for their excellent resistance to intergranular corrosion and superior performance at elevated temperatures. SS 321 is a titanium-stabilized austenitic stainless steel, ideal for applications involving prolonged exposure to high temperatures.
Our SS 321 sheets are manufactured according to international standards such as ASTM, ASME, EN, and DIN, serving industries like aerospace, chemical processing, thermal processing, and power generation.
| 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 50mm |
|
Width |
1000mm, 1250mm, 1500mm, 2000mm (custom sizes available) |
|
Length |
2000mm to 6000mm or custom lengths |
|
Surface Finish |
2B, No.4, BA, Mirror, Hairline |
|
Standards |
ASTM A240, ASME SA240, EN 10088, JIS G4304 |
Chemical Composition
| Element | SS 321 (%) |
|---|---|
|
Carbon (C) |
0.08 max |
|
Chromium (Cr)
|
17.0–19.0 |
|
Nickel (Ni) |
9.0–12.0 |
|
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 Sheets Offered
- Hot Rolled Sheets
- Cold Rolled Sheets
- Polished Sheets (2B, No.4, BA, Mirror Finish)
- Perforated Sheets
- Chequered / Embossed Sheets
Applications
- Aerospace Industry – Aircraft exhaust manifolds, cabin heaters
- Chemical Processing – Tanks, piping, heat exchangers
- Thermal Processing Equipment – Furnaces, heat shields
- Power Plants – Boiler casings, combustion chambers
- Oil & Gas Industry – Heat exchangers and offshore structures
Key Benefits
- Superior resistance to chlorides and marine atmospheres
- Excellent weldability and formability
- High strength and toughness even at cryogenic temperatures
- Long-lasting, low-maintenance material
- Multiple finishes available for decorative and industrial use
Frequently Asked Questions
Explore our FAQs for insights on materials, customization, and delivery.
Why choose SS 321 over SS 304 for high-temperature service?
SS 321 is stabilized with titanium, offering better resistance to carbide precipitation during high-temperature exposure.
Can SS 321 sheets be welded easily?
Yes, SS 321 sheets have excellent weldability with or without filler metals.
What surface finishes are available for SS 321 sheets?
We offer 2B, No.4, BA, Mirror, and Hairline finishes.
Do you provide third-party inspection for SS 321 sheets?
Absolutely, we offer mill test certificates and third-party inspections as required.
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