SS 316 Round Bar Supplier India for Demanding Corrosion-Resistant Applications
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Powerful SS 316 Round Bar Supplier India for Demanding Corrosion-Resistant Applications
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Looking for an SS 316 Round Bar Supplier India? Explore AISI 316, UNS S31600, EN 1.4401, X5CrNiMo17-12-2 and SUS316 round bars for industrial applications.
SS 316 Round Bar: One Material, Multiple International Designations
Industrial buyers ordering stainless steel internationally may encounter the same material under different naming systems.
Stainless Steel 316 is commonly specified as SS 316, AISI 316 or Type 316. Depending on the standard and country, buyers may also see:
- UNS S31600
- EN 1.4401
- X5CrNiMo17-12-2
- SUS316
- V4A
- 316 Stainless Steel
These designations are particularly useful when handling international drawings, purchase orders and material enquiries.
Technical reference data identifies EN 1.4401 / X5CrNiMo17-12-2 / AISI 316 / UNS S31600 as an austenitic chromium-nickel-molybdenum stainless steel. World Stainless also lists the corresponding international designations including 1.4401, S31600, 316 and SUS316.
For a purchasing team, recognizing these names can make grade identification easier before a quotation is prepared.
Table of Contents
- What Is SS 316 Round Bar?
- International Names of SS 316
- Chemical Composition
- Role of Molybdenum
- Important Characteristics
- Industrial Applications
- Why Choose SS 316 Round Bar?
- Specifications
- Buying Guide
- FAQs
- Request a Quote
What Is SS 316 Round Bar?
SS 316 Round Bar is a solid cylindrical stainless-steel product manufactured from Type 316 austenitic stainless steel.
Its chemistry contains chromium and nickel together with a significant addition of molybdenum. Technical data for EN 1.4401 specifies approximately 16.5–18.5% chromium, 10–13% nickel and 2–2.5% molybdenum.
The molybdenum-bearing chemistry is an important reason why 316 is selected for applications exposed to chloride-containing environments and certain industrial chemicals.
Round-bar form also makes the material suitable for manufacturing machined components such as shafts, pins, bushes, fasteners, valve parts and other engineered components.
International Names and Designations of SS 316
| Designation System | SS 316 Designation |
|---|---|
| Common commercial name | Stainless Steel 316 |
| Indian market | SS 316 |
| AISI / ASTM | Type 316 |
| UNS | S31600 |
| EN Material Number | 1.4401 |
| EN Steel Name | X5CrNiMo17-12-2 |
| JIS | SUS316 |
| Common European trade terminology | V4A |
| Short commercial name | SS316 |
Technical materials databases identify 1.4401 as AISI 316 / UNS S31600 / X5CrNiMo17-12-2, while international grade listings also identify SUS316.
Important Purchasing Point
If a customer sends an enquiry for EN 1.4401 Round Bar, don’t simply treat the material name as enough information.
Confirm:
- Product form
- Diameter
- Applicable standard
- Mechanical requirements
- Chemical requirements
- Finish
- Testing
- Certification
This helps ensure the supplied material matches the actual engineering requirement.
Chemical Composition of SS 316
The following values represent the commonly specified chemistry for EN 1.4401 / X5CrNiMo17-12-2. Exact requirements should be checked against the applicable product standard.
| Element | Typical / Maximum Requirement |
|---|---|
| Carbon | ≤ 0.07% |
| Silicon | ≤ 1.00% |
| Manganese | ≤ 2.00% |
| Chromium | 16.5–18.5% |
| Nickel | 10.0–13.0% |
| Molybdenum | 2.0–2.5% |
| Phosphorus | ≤ 0.045% |
| Sulfur | ≤ 0.030% |
| Nitrogen | ≤ 0.10–0.11% |
The exact sulfur limit can depend on the particular specification or product standard, so buyers should reference the applicable standard when ordering.
Why Does Molybdenum Matter in SS 316?
Molybdenum is one of the defining alloying elements in Type 316 stainless steel.
The addition of molybdenum contributes to improved resistance against localized corrosion, particularly pitting and crevice corrosion, in chloride-containing environments. Technical references describe 1.4401 as having very good corrosion resistance and specifically note its performance in chloride-containing and certain acidic media.
This makes SS 316 Round Bar relevant to applications where ordinary stainless-steel service conditions may not be sufficient.
The actual suitability still depends on the concentration, temperature, exposure time, contaminants and mechanical conditions of the application.
Important Characteristics of SS 316 Round Bar
Austenitic Stainless Steel
SS 316 belongs to the austenitic stainless-steel family and is widely used for corrosion-resistant engineering components.
Molybdenum-Bearing Chemistry
Its molybdenum content is an important feature for applications where resistance to localized corrosion is a consideration.
Corrosion Resistance
Technical references identify good to very good corrosion resistance for 1.4401, including performance in chloride-containing environments.
Good Fabrication Characteristics
SS 316 is used in fabricated equipment and engineered components where forming, welding and corrosion resistance are required.
Machined Component Applications
Round bars can be processed into precision components through turning, milling, drilling, threading and other machining operations.
Industrial Applications of SS 316 Round Bar
316 Stainless Steel Round Bar is used across multiple industrial sectors.
Typical applications include:
- Chemical-processing equipment
- Food-processing machinery
- Pharmaceutical equipment
- Marine-related components
- Pumps
- Valves
- Shafts
- Pins
- Bushes
- Fasteners
- Fittings
- Machinery components
- Tank and equipment construction
- Industrial hardware
- Process equipment
- Corrosion-resistant machined components
Technical material references list applications including chemical apparatus construction, pulp industry equipment, dairy and brewery applications.
The correct grade selection should always be based on the actual operating environment.
Why Choose SS 316 Round Bar?
1. Suitable for Demanding Corrosion Environments
The molybdenum-containing chemistry makes SS 316 relevant to applications where localized corrosion resistance is important.
2. Internationally Recognized Grade
International buyers can identify the material through several designations:
SS 316 → AISI 316 → UNS S31600 → EN 1.4401 → X5CrNiMo17-12-2 → SUS316
3. Useful for Precision Components
Round-bar form is convenient for producing shafts, pins, bushes, fittings and other machined components.
4. Industrial Versatility
The material is used in chemical, food, pharmaceutical, marine and general engineering applications.
5. Established Technical Standards
ASTM A276/A276M covers hot-finished and cold-finished stainless-steel bars, including rounds, squares and hexagons. The currently listed active edition is ASTM A276/A276M-25.
SS 316 Round Bar Specifications
When requesting a quotation, buyers should provide complete technical details.
| Specification | Requirement |
|---|---|
| Material | Stainless Steel 316 |
| AISI / ASTM | Type 316 |
| UNS | S31600 |
| EN Material Number | 1.4401 |
| EN Designation | X5CrNiMo17-12-2 |
| JIS | SUS316 |
| Product | Round Bar |
| Diameter | As required |
| Length | As required |
| Finish | As required |
| Condition | As required |
| Quantity | As required |
| Testing | As specified |
| Material Certificate | As required |
| Applicable Standard | Customer specification |
For stainless-steel bars, buyers can refer to the relevant ASTM A276/A276M requirements. ASTM states that the specification covers hot-finished or cold-finished bars and includes round bars.
What Should You Specify When Buying SS 316 Round Bar?
A professional purchase enquiry should contain enough information for the supplier to understand the exact requirement.
Grade
Write the complete designation where possible:
SS 316 / AISI 316 / UNS S31600 / EN 1.4401 / X5CrNiMo17-12-2 / SUS316
Diameter
Mention the exact required diameter.
Length
Specify fixed lengths, cut lengths or required commercial length.
Quantity
Mention pieces, kilograms or total required quantity.
Finish
Specify bright, polished, peeled, ground or another required finish where applicable.
Standard
Mention ASTM, EN, JIS or another required specification.
Testing
State whether chemical, mechanical or other testing is required.
Certification
Mention whether a material test certificate is required with the shipment.
Delivery
Provide the destination so the supplier can evaluate dispatch requirements.
SS 316 Round Bar Supplier in Mumbai, India
Manan Steel & Metals supplies stainless-steel and industrial metal products for engineering, fabrication and industrial requirements.
For customers searching for an SS 316 Round Bar Supplier India, enquiries can include:
- SS 316 Round Bars
- AISI 316 Round Bars
- UNS S31600 Round Bars
- EN 1.4401 Round Bars
- X5CrNiMo17-12-2 Round Bars
- SUS316 requirements
Visit the Manan Steel & Metals website for company and product information.
You can also explore our Round Bar product page.
For standards information, refer to ASTM International and the relevant ASTM A276/A276M stainless-steel bar specification.
Frequently Asked Questions
What is SS 316 Round Bar?
SS 316 Round Bar is a solid cylindrical product made from Type 316 austenitic stainless steel containing chromium, nickel and molybdenum.
What is the UNS number of SS 316?
The commonly associated UNS designation is S31600.
What is EN 1.4401?
EN 1.4401 is the European material number associated with Type 316 stainless steel. Its EN steel designation is X5CrNiMo17-12-2.
What is X5CrNiMo17-12-2?
X5CrNiMo17-12-2 is the EN/DIN designation associated with 1.4401 / AISI 316 stainless steel.
What is SUS316?
SUS316 is the Japanese designation associated with Type 316 stainless steel.
Why is molybdenum added to SS 316?
Molybdenum contributes to improved resistance to localized corrosion, particularly pitting and crevice corrosion, in suitable chloride-containing environments.
Where is SS 316 Round Bar used?
It is used in chemical-processing equipment, food and pharmaceutical equipment, marine-related components, pumps, valves, shafts, fittings and other corrosion-resistant industrial components.
Which ASTM specification covers stainless-steel round bars?
ASTM A276/A276M covers hot-finished and cold-finished stainless-steel bars, including rounds.
What details should I provide for an SS 316 quotation?
Provide grade/designation, diameter, length, quantity, finish, standard, testing requirements, certification requirements and delivery location.
Request a Quote for SS 316 Round Bar
Looking for an SS 316 Round Bar Supplier India for your industrial requirement?
Send your complete size and quantity requirement to Manan Steel & Metals.
Manan Steel & Metals
Shop No. 2, Hira Building,
97 Khetwadi Main Road (Nanubhai Desai Road),
Girgaon, Mumbai – 400004, Maharashtra, India
Phone: 7977369869
Email: manansteel@gmail.com
Website: https://www.manansteel.com/
International Designations to Remember
SS 316 → AISI 316 → Type 316 → UNS S31600 → EN 1.4401 → X5CrNiMo17-12-2 → SUS316
When placing an international order, always confirm the exact product standard, dimensions, testing requirements and certification instead of relying only on the commercial material name.