SS 316/316L/316Ti Round Bars & Rods

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Stainless Steel 316 / 316L / 316Ti Explained

Stainless Steel 316, 316L, and 316Ti are molybdenum-bearing austenitic stainless steels. To begin with, they offer significantly enhanced corrosion resistance compared to 304 grades. In particular, they perform exceptionally well in chloride-rich and marine environments. Furthermore, these grades deliver excellent resistance to pitting, crevice corrosion, and acidic media.

When selecting the right grade for your corrosive environment, consider the following: First, SS 316 serves as the standard molybdenum grade for general corrosion resistance. Next, SS 316L contains low carbon content — this provides superior weld corrosion resistance and prevents intergranular attack after welding. Finally, SS 316Ti is titanium-stabilized, ensuring high-temperature service stability and resistance to sensitization.

As a result, these grades are widely used in marine equipment, pharmaceutical machinery, and chemical processing plants. Moreover, they are trusted in heat exchangers, pressure vessels, and food processing systems. Equally important, medical devices and surgical instruments rely on their superior hygiene and corrosion resistance. Consequently, SS 316/316L/316Ti provide excellent durability, long-term corrosion resistance, and reliable performance in the most demanding environments.

Need expert guidance on selecting the right 316 grade for your application? Contact our technical team today — we’ll help you choose between 316, 316L, or 316Ti based on your corrosion exposure, welding requirements, and operating temperature, and provide a competitive quote tailored to your needs.

Other Types of Stainless Steel 316 / 316L / 316Ti Bars

SS 316 316L 316Ti Stainless Steel Square Bar
Explore SS 316/316L/316Ti Square Bar
Stainless Steel Square Bar
  • SS 316 / 316L / 316Ti Square Bar & Rod
  • UNS S31600 / S31603 / S31635 Grades
  • ASTM A276 / ASME SA276 Standard
  • DIN 1.4401 / 1.4404 / 1.4571 Square Bar
SS 316 316L 316Ti Stainless Steel Hex Bar
Explore SS 316/316L/316Ti Hex Bar
Stainless Steel Hex Bar
  • ASME SA276 SS 316L / 316Ti Hex Bar
  • ASTM A276 Stainless Steel Hexagon Rod
  • DIN 1.4404 / 1.4435 / 1.4441 Grades
  • UNS S31600 / S31635 Precision Hex Bar
SS 316 316L 316Ti Stainless Steel Rectangular Bar
Explore SS 316/316L/316Ti Rectangular Bar
Stainless Steel Rectangular Bar
  • ASTM A276 SS 316 Rectangular Bar
  • UNS S31600 / DIN 1.4571 Rectangle Rod
  • ASME SA276 Machined Rectangular Sections
  • SS 316Ti Polished Rectangular Bar Supply
SS 316 316L 316Ti Stainless Steel Flat Bar
Explore SS 316/316L/316Ti Flat Bar
Stainless Steel Flat Bar
  • DIN 1.4436 Stainless Steel Flat Bar
  • UNS S31600 Industrial Flat Sections
  • ASTM A276 SS 316L Flat Strip
  • SS 316 / 316Ti Polished Flat Bar
SS 316 316L 316Ti Stainless Steel Bright Bar
Explore SS 316/316L/316Ti Bright Bar
Stainless Steel Bright Bar
  • ASTM A276 SS 316Ti Bright Drawn Bar
  • UNS S31600 / S31603 / S31635 Grades
  • Mirror Finish Cold Drawn Bright Rods
  • SS 316 / 316L Precision Bright Bar
SS 316 316L 316Ti Stainless Steel Forged Bar
Explore SS 316/316L/316Ti Forged Bar
Stainless Steel Forged Bar
  • UNS S31600 Stainless Steel Forged Bar
  • ASTM A276 SS 316L Forged Rod
  • High Strength Polished Forged Bars
  • ASME SA276 SS 316Ti Forgings

316/316L/316Ti STAINLESS STEEL ROUND BAR EQUIVALENT GRADES

STANDARD UNS WNR. AFNOR EN JIS BS GOST
SS 316 S31600 1.4401 / 1.4436 Z7CND17-11-02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3 SUS 316 316S31 / 316S33 –
SS 316L S31603 1.4404 / 1.4435 Z3CND17-11-02 / Z3CND18-14-03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2
SS 316Ti S31635 1.4571 Z2 NCDU 25-20 X1NiCrMoCu25-20-5 SUS 316Ti 904S13 –

SPECIFICATION OF STAINLESS STEEL 316/316L/316Ti ROUND BAR

Stainless Steel Round Bar Specification ASTM A276 / A479, ASME SA276 / A479
Dimension Standard EN, DIN, JIS, ASTM, BS, ASME, AISI
Size 14 mm – 300 mm
Thickness 50 mm to 6000 mm Long
Length 1 to 6 Meters, Custom Cut Length
Form Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.

CHEMICAL COMPOSITION OF STAINLESS STEEL 316/316L/316Ti ROUND BAR

Grade C% Mn% Si% P% S% Cr% Mo% Ni% N%
316 (S31600) 0.08 max 2.0 max 0.75 max 0.045 max 0.03 max 16.0 – 18.0 2.0 – 3.0 10.0 – 14.0 0.10 max
316L (S31603) 0.03 max 2.0 max 0.75 max 0.045 max 0.03 max 16.0 – 18.0 2.0 – 3.0 10.0 – 14.0 0.10 max
316Ti (S31635) 0.08 max 2.0 max 0.75 max 0.045 max 0.03 max 16.0 – 18.0 2.0 – 3.0 10.0 – 14.0 0.10 max

MECHANICAL PROPERTIES OF STAINLESS STEEL 316/316L/316Ti ROUND BAR

Grade Tensile Strength (ksi) Yield Strength 0.2% (ksi) Elongation (%) Hardness (Brinell) MAX Hardness (Rockwell B) MAX
316 75 30 40 217 95
316L 70 25 40 217 95
316Ti 515 MPa 205 MPa 35 205 75

PHYSICAL PROPERTIES OF SS 316 / 316L

Density lb/in³ Thermal Conductivity (BTU/h ft. °F) Electrical Resistivity (in x 10⁶) Modulus of Elasticity (psi x 10⁶) Coefficient of Thermal Expansion (in/in)/°F x 10⁶ Specific Heat (BTU/lb/°F) Melting Range (°F)
0.285 at 68°F 9.4 at 212°F
12.4 at 932°F		 28.3 at 68°F
39.4 at 752°F
49.6 at 1652°F		 28 9.4 at 32–212°F
10.2 at 32–1000°F
10.4 at 32–1500°F		 0.1200 at 68°F to 212°F 2500 to 2590

PHYSICAL PROPERTIES OF SS 316Ti

Density lb/in³ Coefficient of Thermal Expansion (min/in)-°F Thermal Conductivity BTU/h-ft.-°F Specific Heat BTU/lb-°F Modulus of Elasticity (psi)
0.285 at 68°F 9.2 at 68–212°F
11.0 at 68–1600°F		 9.4 at 212°F
12.4 at 932°F		 0.12 at 32–212°F 29 x 10⁶ in tension (E)

💡 Practical Difference in Use

Use Stainless Steel 316 Round Bars when: superior corrosion resistance, high mechanical strength, and excellent performance in chloride and marine environments are required for heavy-duty industrial components. → Example: marine shafts, chemical processing rods, pump components, food processing equipment, and structural fasteners.

Use Stainless Steel 316L Round Bars when: enhanced weldability, resistance to intergranular corrosion, and minimal carbide precipitation are critical for welded and fabricated assemblies. → Example: pressure vessels, welded pipelines, pharmaceutical equipment, heat exchanger tubing, and fabrication structures.

Use Stainless Steel 316Ti Round Bars when: high-temperature stability, resistance to sensitization, and long-term strength are required in moderately elevated temperature environments. → Example: exhaust systems, thermal equipment supports, chemical reactors, power plant hardware, and high-temperature fasteners.

Applications of Stainless Steel 316 / 316L / 316Ti Round Bars

To begin with, Stainless Steel 316, 316L, and 316Ti round bars are widely used in corrosion-resistant and structurally demanding applications. Furthermore, they are preferred where durability, hygiene, and long service life are essential for reliable operation.

  • Chemical & Process Industry: Shafts, agitators, valves, pumps, reactors, and fasteners.
  • Marine & Offshore: Propeller shafts, dock hardware, seawater fittings, anchors, and structural supports.
  • Food, Beverage & Pharmaceutical: Hygienic equipment, mixing systems, storage vessels, and conveyor parts.

When to Choose Stainless Steel 316 vs. 316L vs. 316Ti Round Bars?

First and foremost, the selection mainly depends on corrosion exposure, fabrication method, welding requirements, and operating temperature. Consequently, choosing the right grade ensures optimal performance and extended service life in demanding environments.

Choose SS 316 Round Bars when:

  • High corrosion resistance is required in marine or chemical environments
  • Excellent mechanical strength and durability are needed
  • Machined components require good surface finish
  • Used in shafts, fasteners, pumps, valves, and marine hardware
  • Balanced cost and performance is preferred
  • General-purpose corrosion resistance is sufficient

Choose SS 316L Round Bars when:

  • Welding and fabrication are involved
  • Resistance to intergranular corrosion is critical
  • Post-weld heat treatment is not feasible
  • Used in pressure vessels, pipelines, tanks, and structural fabrications
  • Low carbon content improves weld integrity
  • Long service life in corrosive environments is required

Choose SS 316Ti Round Bars when:

  • Exposure to moderately elevated temperatures is expected
  • Titanium stabilization prevents carbide precipitation
  • Thermal stability and long-term strength are important
  • Used in exhaust systems, heat equipment, and chemical reactors
  • Improved resistance to sensitization is required
  • Better performance in thermal cycling conditions

Industries That Use Stainless Steel 316 / 316L / 316Ti Round Bars

To begin with, these grades are widely used in industries where corrosion resistance, mechanical reliability, hygiene compliance, and long operational life are critical. Moreover, their versatility makes them suitable for applications ranging from marine environments to high-temperature chemical processing.

Chemical & Process Industry

Primary usage: corrosive and chemical handling environments.

Uses

Pumps, valves, reactors, agitators, shafts.

Why SS 316?

Excellent resistance to acids, chemicals, and chlorides.

Marine & Offshore

Primary usage: seawater and coastal exposure conditions.

Uses

Propeller shafts, dock fittings, fasteners, anchors.

Why SS 316?

Superior pitting and crevice corrosion resistance.

Food, Beverage & Pharmaceutical

Primary usage: hygienic and contamination-free processing.

Uses

Mixers, conveyors, storage vessels, processing machinery.

Why SS 316L?

Improved weld cleanliness and corrosion resistance.

Pharmaceutical & Biotechnology

Primary usage: sterile and controlled environments.

Uses

Cleanroom equipment, reactors, fluid handling systems.

Why SS 316L?

Low carbon prevents contamination and corrosion.

Oil & Gas / Petrochemical

Primary usage: corrosive fluid and pressure environments.

Uses

Pipelines, valves, fasteners, structural supports.

Why SS 316?

High strength and chemical resistance.

Fabrication & Engineering

Primary usage: machined and welded assemblies.

Uses

Frames, brackets, precision components.

Why SS 316L / 316Ti?

Better weld integrity and thermal durability.

Water & Wastewater Treatment

Primary usage: corrosive and chloride-rich water environments.

Uses

Pump shafts, agitator rods, valve stems, filtration equipment.

Why SS 316L?

Excellent resistance to chlorides and improved weldability for fabricated systems.

Pulp & Paper Industry

Primary usage: corrosive chemical pulping and bleaching environments.

Uses

Agitator shafts, dryer rolls, chemical feed rods, support structures.

Why SS 316Ti?

Resistance to corrosive chemicals and thermal stability in drying processes.

Textile & Dyeing Industry

Primary usage: chemically aggressive dyeing and finishing processes.

Uses

Dyeing equipment shafts, roller rods, chemical mixing components.

Why SS 316L?

Resistance to aggressive dyes, bleaches, and corrosive chemicals used in textile processing.

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