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Stainless Steel 316 | Product Overview
Introduction To Austenitic Stainless Steel 316
MOKSH TUBES & FITTINGS LLP is a leading manufacturer, supplier, exporter, importer, and stockist of Austenitic Stainless Steel 316 products including pipes & tubes, sheets, plates, bars, and fittings.
Austenitic Stainless Steel 316, is a versatile austenitic alloy with enhanced corrosion resistance due to its molybdenum content, making it superior to 304 stainless steel in chloride environments. It exhibits excellent resistance to pitting and crevice corrosion, good mechanical properties, and outstanding weldability. SS 316 is widely used in marine, chemical, pharmaceutical, and food processing industries where durability and corrosion resistance are critical.
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Technical Specifications – Stainless Steel 316 (UNS S31600 / EN 1.4401)
| Category | Details |
|---|---|
| Material | Austenitic Stainless Steel 316 |
| UNS No. | S31600 |
| EN / DIN | 1.4401 |
| Alloy Type | Molybdenum-Bearing Austenitic SS |
| Chromium | 16 – 18 % |
| Nickel | 10 – 14 % |
| Molybdenum | 2 – 3 % |
| Magnetic Properties | Non-Magnetic |
| Heat Treatable | ❌ No |
| Strengthening Method | Cold Working |
| Pitting / Crevice Resistance | Very Good |
| Chloride Resistance | Excellent |
| Typical Use | Marine, Chemical, Hygienic Applications |
Chemical Composition of Stainless Steel 316
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 10.0 – 14.0 |
| Molybdenum (Mo) | 2.0 – 3.0 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 0.75 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Nitrogen (N) | ≤ 0.10 |
Physical Properties of Stainless Steel 316
| Property | Imperial Units | Metric Units |
|---|---|---|
| Density | 0.289 lb/in³ | 8.0 g/cm³ |
| Melting Point | 2550 – 2650 °F | 1399 – 1454 °C |
| Modulus of Elasticity | 28 × 10³ ksi | 193 GPa |
| Poisson’s Ratio | 0.27 | — |
Heat Treatment & Fabrication of Stainless Steel 316
| Process | Temperature Range | Purpose |
|---|---|---|
| Solution Annealing | 1040 – 1120 °C | Restore corrosion resistance |
| Cooling | Water / Rapid Air | Maintain austenitic structure |
| Stress Relieving | 300 – 450 °C | Reduce residual stresses |
| Cold Working | — | Increase strength |
| Welding | TIG / MIG / SMAW | Excellent weldability |
📌 SS 316 performs significantly better than SS 304 in chloride-rich and marine environments.
Mechanical Properties of Stainless Steel 316 (Annealed)
| Property | Annealed | Cold-Drawn | Sheet |
|---|---|---|---|
| Tensile Strength | 485 – 620 MPa | 550 – 760 MPa | 515 – 690 MPa |
| Yield Strength (0.2%) | 205 – 310 MPa | 310 – 485 MPa | 240 – 415 MPa |
| Elongation | 40 – 60 % | 20 – 40 % | 35 – 55 % |
| Brinell Hardness | 120 – 180 | 160 – 210 | 140 – 190 |
| Rockwell Hardness | 80 – 95 B | 90 – 105 B | 85 – 95 B |
Available Forms & Size Range – Stainless Steel 316
| Product Form | Size Range |
|---|---|
| Pipes & Tubes | OD 6 – 600 mm, WT 0.8 – 40 mm |
| Sheets & Plates | 0.5 – 100 mm |
| Coils & Strips | 0.1 – 6 mm |
| Bars (Round / Flat / Hex) | Ø 6 – 350 mm |
| Wire & Mesh | Standard & custom sizes |
| Fittings & Flanges | ASME / DIN standards |
| Custom Components | As per drawing |
International Standards & Equivalent Grades – SS 316
| Standard | Equivalent Grade |
|---|---|
| UNS | S31600 |
| ASTM | A240, A312, A276 |
| ASME | SA240, SA312, SA276 |
| EN | 1.4401 |
| DIN | X5CrNiMo17-12-2 |
| JIS | SUS 316 |
| BS | 316S31 |
| ISO | X5CrNiMo17-12-2 |
Products in Austenitic Stainless Steel 316
Austenitic Stainless Steel 316 is available in:
Austenitic Stainless Steel 316 products are produced to the following global standards:
Uses and Advantages
Excellent resistance to chloride corrosion and pitting
Good mechanical properties and toughness
Excellent weldability and formability
High resistance to oxidation at elevated temperatures
Biocompatible and suitable for hygienic environments
Applications of Austenitic Stainless Steel 316
Austenitic Stainless Steel 316 is extensively used in environments exposed to harsh corrosion and aggressive chemicals, including:
Marine Applications
Boat fittings, propeller shafts, and marine fasteners due to superior resistance to seawater corrosion.
Chemical & Petrochemical Industry
Storage tanks, piping, and heat exchangers handling acidic and chloride-containing chemicals.
Food & Beverage Processing
Food handling equipment, brewing tanks, and dairy industry machinery requiring hygiene and corrosion resistance.
Pharmaceutical Industry
Processing equipment and sanitary fittings where cleanliness and corrosion resistance are critical.
Medical Instruments
Surgical tools and implants due to excellent biocompatibility and corrosion resistance.
Architectural & Construction
Cladding, handrails, and structural components in corrosive urban or coastal environments.
WHY CHOOSE US?
STAINLESS STEEL 316 PRICE PER KG (INDIA)
Typical Range: ₹350 – ₹650 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
FAQ's
What is Austenitic Stainless Steel 316 and what makes it different from 304 stainless steel?
Austenitic Stainless Steel 316 is a molybdenum-alloyed stainless steel that offers superior resistance to chloride corrosion, pitting, and crevice attack compared to Stainless Steel 304. Its enhanced durability makes it the preferred choice for marine, chemical, and pharmaceutical industries where exposure to aggressive environments is common.
What are the key properties of Stainless Steel 316?
SS 316 provides:
- Excellent resistance to chlorides, acids, and harsh chemicals.
- Good mechanical strength and toughness across temperature ranges.
- Outstanding weldability and formability.
- Oxidation resistance at elevated temperatures.
- Biocompatibility, making it safe for medical and food applications.
Where is Stainless Steel 316 commonly used?
Stainless Steel 316 is widely used in industries requiring high corrosion resistance and hygiene, including:
- Marine applications (boat fittings, propeller shafts, seawater-exposed fasteners).
- Chemical and petrochemical processing (storage tanks, pipelines, heat exchangers).
- Food & beverage industry (dairy equipment, brewing tanks, hygienic machinery).
- Pharmaceutical industry (sanitary fittings and processing equipment).
- Medical instruments (surgical tools, implants, biocompatible devices).
- Construction (cladding, handrails, coastal structures).
Why is Stainless Steel 316 preferred for marine and chemical applications?
SS 316 contains 2–3% molybdenum, which gives it superior resistance to chloride-induced corrosion and pitting compared to 304 stainless steel. This makes it the ideal material for seawater environments, acidic solutions, and aggressive chemical conditions, ensuring durability and long service life.
Who is the best supplier of Stainless Steel 316 in India?
Moksh Tubes & Fittings LLP is a leading manufacturer, supplier, exporter, importer, and stockist of Stainless Steel 316 products. They provide a wide range of pipes, tubes, sheets, plates, bars, flanges, fittings, and fasteners in compliance with international standards. With custom sizing, global delivery, competitive pricing, and strong technical support, Moksh Tubes & Fittings LLP is a trusted partner for industries worldwide.
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For inquiries or quotations related to Austenitic Stainless Steel 316 products, contact Moksh Tubes & Fittings LLP — your reliable partner for stainless steel solutions. Get in Touch