Stainless Steel
Square Bars Manufacturer

At Steel Icon Stainless Pvt. Ltd., we are a leading manufacturer and supplier of stainless steel square bars in India, offering precision-engineered bars that meet global quality standards such as ASTM, ASME, DIN, and EN. We provide customised sizes, surface finishes, and grades to meet specific industrial needs.

What are Stainless Steel Square Bars?

Stainless steel square bars are solid square-shaped metal bars known for their high strength, corrosion resistance, and durability. They are widely used in construction, manufacturing, marine, oil & gas, and engineering applications due to their superior mechanical properties and excellent machinability.
Products
Stainless Steel Bar
Fasteners
Forged Products
Flanges
Forged Fittings
Stainless Steel Billets
Round Corner Square Billets
Stainless Steel Pipes
Pipe Fittings
Valve

Stainless Steel Square Bars Specifications

Property Specification
Material Grades
SS 304, SS 316, SS 321, SS 410, SS 430
Size Range
5mm – 200mm
Length
Up to 6 meters (custom sizes available)
Surface Finish
Bright, Black, Polished, Rough Turned, Peeled & Ground
Manufacturing Process
Hot Rolled, Cold Drawn, Centerless Ground
Tensile Strength
515 MPa – 650 MPa
Hardness
80 – 95 HRB
Standard & Compliance
ASTM A276, ASME SA479, EN 10088, DIN 1.4301

Grades of Stainless Steel Square Bars

Stainless Steel Square Bars Equivalent Grades

Grade UNS EN / WNR
SS 304
S30400
1.4301 / X5CrNi18-10
SS 316
S31600
1.4401 / X5CrNiMo17-12-2
SS 321
S32100
1.4541 / X6CrNiTi18-10
SS 410
S41000
1.4006 / X12Cr13
SS 430
S43000
1.4016 / X6Cr17

Stainless Steel Square Bars Chemical Composition

Element SS 304 (%) SS 316 (%) SS 321 (%)
Carbon (C)
0.08 max
0.08 max
0.08 max
Manganese (Mn)
2.00 max
2.00 max
2.00 max
Silicon (Si)
1.00 max
1.00 max
1.00 max
Chromium (Cr)
18.0 – 20.0
16.0 – 18.0
17.0 – 19.0
Nickel (Ni)
8.0 – 10.5
10.0 – 14.0
9.0 – 12.0
Molybdenum (Mo)
2.00 – 3.00

Stainless Steel Square Bars Mechanical Properties

Property SS 304 SS 316 SS 321
Tensile Strength (MPa)
515 – 620
515 – 620
515 – 620
Yield Strength (MPa)
205 min
205 min
205 min
Elongation (%)
40 min
40 min
40 min
Hardness (HRB)
80 max
80 max
80 max

Applications of Stainless Steel Square Bars

Construction &
Infrastructure

Marine &
Offshore

Automotive &
Transportation

Manufacturing &
Heavy Equipment

Chemical &
Pharmaceutical Plants

Oil & Gas

Food & Beverage
Industry

Explore Our Types of Stainless Steel Bars

We also offer specialised stainless steel bars tailored for specific applications

Why Choose Steel Icon Stainless Pvt. Ltd.?

✅ ISO-Certified & Industry-Approved – Meets ASTM, ASME, and EN standards.
✅ Premium Quality Stainless Steel – Manufactured using high-grade raw materials.
✅ Customization Available – Custom sizes, finishes, and coatings available.
✅ Fast & Reliable Delivery – Shipping across India and globally.
✅ Competitive Pricing & Bulk Availability – Best rates for large-scale projects.

Frequently Asked Questions

Explore our FAQs for insights on materials, customization, and delivery.
What are the most commonly used stainless steel square bar grades?
The most common grades include SS 304, SS 316, SS 321, SS 410, and SS 430, each offering different strength and corrosion resistance properties.
Can stainless steel square bars be customized in size and finish?
Yes! We offer custom diameters, lengths, and surface finishes such as bright, polished, and black finishes.
Are your stainless steel square bars corrosion-resistant?
Yes, SS 316 square bars provide superior resistance to seawater, chemicals, and extreme environments.
Do you provide quality certification for stainless steel square bars?
Absolutely! All our products come with mill test reports, third-party inspection certificates, and compliance documents.
What is the lead time for bulk square bar orders?
Standard orders ship within 3-7 days, while custom orders take 7-14 days, depending on requirements.

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Our factory’s complete control ensures top-notch quality, prices, and service, reflecting our pride in what we do.

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