At Steel House India, we bring over 30 years of expertise to the manufacturing and distribution of premium industrial steel profiles. As a premier manufacturer and stockist of ASTM A276 and AISI 316L stainless steel square bars in India, we maintain a massive inventory at our central Mumbai warehouse for immediate loading. Whether you need custom cut-to-length sizes or a high-volume wholesale supplier for your next project, we deliver absolute material traceability at factory-direct pricing.


316L Square Bar Material Properties & Standards


Stainless Steel Square Bars manufacturer stockist and supplier in India – Steel House India

Stainless Steel Square Bars

Carbon Steel Square Bars manufacturer stockist and supplier in India – Steel House India

Stainless Steel Square Bars

Alloy Steel Square Bars manufacturer stockist and supplier in India – Steel House India

Stainless Steel Square Bars

We maintain a fully traceable inventory of all square profiles so your team can verify compliance instantly. Below are the exact chemical standards and manufacturing conditions available for immediate dispatch.


Technical Specification Matrix

Standard Specification ASTM A276 / ASTM A479 / AISI
Material Designations UNS S31603 Solid Bars / Werkstoff Nr. 1.4404
Available Conditions Cold Drawn, Hot Rolled, Centerless Ground, and Bright Polished
Standard Lengths 1 Meter to 6 Meters (Custom cut lengths available on request)
Edge Profiles Sharp square edges or automatic chamfering (30°, 45°, 60°)

Stainless Steel 316L Square Bar Dimensions and Weight Chart


Use this dimensional table to calculate your project weights and freight requirements. We keep these metric and imperial sizes ready for loading at our warehouse.


If your project requires a non-standard dimension or tight-tolerance profile, our in-house drawing unit can process custom sizes to match your blueprints.


Sizing and Weight Reference Table

Size (mm) Size (Inches) Weight per Meter (Kg/m approx.)
8 mm 5/16" 0.50 Kg
10 mm 3/8" 0.79 Kg
12 mm 1/2" 1.13 Kg
16 mm 5/8" 2.01 Kg
20 mm 3/4" 3.14 Kg
25 mm 1" 4.91 Kg
32 mm 1-1/4" 8.04 Kg
40 mm 1-1/2" 12.56 Kg
50 mm 2" 19.63 Kg

Why Use 316L Stainless Steel Square Bars?


Grade 316L is specified for harsh, corrosive environments where standard 304 stainless steel fails. Our technical team processes these bars to ensure consistent grain structure and clean surface finishes for trouble-free machining and welding.


Low-Carbon Welding Grade

With a maximum carbon content of 0.03%, this grade prevents carbide precipitation during welding. This gives the material excellent resistance to intergranular corrosion, meaning your welded joints won't weaken or corrode prematurely in high-stress applications.


Chloride & Pitting Protection

The addition of 2% to 3% molybdenum protects our square bars against localized crevice corrosion and pitting. This makes them highly reliable for marine hardware, offshore installations, and chemical processing equipment.


Quality Testing and Export-Ready Packaging


We handle all testing and export packaging in-house to make sure your order arrives exactly as specified in your purchase order.


100% Certified Material: Every shipment includes genuine Mill Test Certificates (MTC) conforming to EN 10204 3.1.


In-House Testing: We conduct strict internal quality checks, including ultrasonic testing, Positive Material Identification (PMI), macro/micro analysis, and tensile strength tests. We also regularly coordinate with third-party inspection (TPI) agencies like SGS, TUV, and Lloyd's.


Moisture-Proof Sea Packaging: To protect the bright polished finish from saltwater air during transit, bars are treated with anti-rust oil, wrapped in heavy HDPE sheets, and secured in strong wooden crates.


Global Shipping Footprint: Our logistics team manages export documentation and container shipping routes straight to industrial hubs in the UAE, Saudi Arabia, Oman, and globally.


Ready Stock at Our Mumbai Warehouse & Pan-India Supply Network


By holding a massive inventory of cold drawn and hot rolled square bars at our main Mumbai warehouse, Steel House India helps you avoid project delays. Whether you need a few pieces for a prototype or bulk tonnage for a large-scale project, we can dispatch orders quickly.


We run daily transport dispatches to major industrial corridors across Maharashtra, Gujarat, Tamil Nadu, and Karnataka, ensuring your material arrives at your factory floor or fabrication yard on time.


Buy ASTM A276 SS 316L Square Bar Wholesale Price – Get a Quote


Let us know your size and quantity requirements for an accurate, current price per kg. Fill out the quick form below, and our commercial sales team will send you an itemized wholesale quote within 2 business hours.



Looking for Different Stainless Steel Bar Grades and Profiles?


If your project specs change or you are comparing alternative alloys, you can view our other core product stock pages directly:


Standard Marine-Grade Profiles

For heavy-duty machining, structural shafts, or rotating parts where square profiles aren't required, see our ready-to-ship inventory on our Stainless Steel 316 Round Bars page.


High-Temperature Applications

If your application exposes the steel to continuous extreme heat and requires protection against intergranular corrosion, check our available sizing charts on our Stainless Steel 321 Square Bars page.