What sizes are available for SS 316 / 316L seamless pipes?

Stancor manufactures SS 316 / 316L seamless pipes in 1/4" NPS to 10" NPS (6.35mm to 273.1mm OD) with wall thickness from SCH 5S to SCH 160, XXS. Custom sizes available on request.

What is the chemical composition of SS 316 / 316L?

SS 316 / 316L (UNS S31600 / S31603) has a composition of C: 0.08 / 0.030 max, Mn: 2.00 max, Si: 0.75 max, Cr: 16.0-18.0. It is a austenitic stainless steel grade.

What are the equivalent grades of SS 316 / 316L?

The equivalent grades of SS 316 / 316L (UNS S31600 / S31603) are: ASTM: TP316 / TP316L, JIS: SUS 316 / SUS 316L, BS: 316S31 / 316S11, GOST: 08Kh17N13M2 / 03Kh17N14M2.

What is the corrosion resistance of SS 316 / 316L?

SS 316 / 316L has a PREN of ~24. Seawater resistance: Moderate - better than 304. Max service temperature: 870 C.

What certifications does Stancor hold for SS 316 / 316L seamless pipes?

Stancor manufactures SS 316 / 316L seamless pipes with full material test certificates (EN 10204 3.1/3.2), third-party inspection (TPI), and compliance with ASTM A312 / ASME SA312, ASTM A213 / ASME SA213, ASTM A269.

What grade is used for nuclear fuel reprocessing 316l pipe service?

For nuclear fuel reprocessing, SS 316L is commonly selected where austenitic stainless steel tube or pipe is required for corrosion resistance and low-carbon weldability. Typical standards are ASTM A312 / ASME SA312 for pipe, ASTM A213 / ASME SA213 for tubing, and ASTM A269 for instrumentation and general service tubes in nuclear fuel reprocessing duty. Stancor Tubular Products Pvt. Ltd. can supply it.

When should alloy 825 tube be chosen for spent fuel reprocessing service?

Alloy 825 tube is used in spent fuel reprocessing service where resistance to aggressive acidic chemical streams and chloride-bearing environments is needed. The relevant standards are ASTM B423 / ASME SB423, ASTM B163 / ASME SB163, and ASTM B705 / ASME SB705 for tube and pipe products in nuclear fuel reprocessing applications. Stancor Tubular Products Pvt. Ltd. can supply it.

Why is alloy c-276 pipe specified for fuel cycle reprocessing lines?

Alloy C-276 pipe is specified for fuel cycle reprocessing lines when very high corrosion resistance is required in severe chemical process conditions associated with nuclear fuel reprocessing. Common standards are ASTM B622 / ASME SB622 for pipe, ASTM B619 / ASME SB619 for welded products, and ASTM B626 / ASME SB626 for tubing in this service condition. Stancor Tubular Products Pvt. Ltd. can supply it.

Which standards apply to reprocessing plant 316l seamless tube and pipe?

For reprocessing plant 316L seamless tube and pipe, the usual standards are ASTM A312 / ASME SA312 for pipe, ASTM A213 / ASME SA213 for tubing, and ASTM A269 for seamless and welded austenitic stainless steel tubing. These are used where SS 316L is selected for nuclear fuel reprocessing service because of corrosion resistance and fabricability. Stancor Tubular Products Pvt. Ltd. can supply it.

What is the difference between alloy 825 tube and alloy c-276 tube in nuclear chemical reprocessing service?

In nuclear chemical reprocessing service, Alloy 825 tube is a nickel-iron-chromium alloy used for strong corrosion resistance across many acidic process streams, while Alloy C-276 tube is chosen for more severe corrosive conditions requiring broader resistance margins. Alloy 825 is supplied to ASTM B423 / ASME SB423, ASTM B163 / ASME SB163, and ASTM B705 / ASME SB705, while Alloy C-276 is supplied to ASTM B622 / ASME SB622, ASTM B619 / ASME SB619, and ASTM B626 / ASME SB626 for nuclear fuel reprocessing duty. Stancor Tubular Products Pvt. Ltd. can supply it.

Which tube grade is suitable for radioactive waste and nuclear fuel reprocessing service?

Suitable tube grades for radioactive waste and nuclear fuel reprocessing service include SS 316L, Alloy 825, and Alloy C-276 depending on the corrosiveness of the process stream and the required service life. SS 316L is typically supplied to ASTM A213 / ASME SA213, ASTM A269, and ASTM A312 / ASME SA312; Alloy 825 to ASTM B163 / ASME SB163, ASTM B423 / ASME SB423, and ASTM B705 / ASME SB705; and Alloy C-276 to ASTM B626 / ASME SB626, ASTM B622 / ASME SB622, and ASTM B619 / ASME SB619. Stancor Tubular Products Pvt. Ltd. can supply it.

What stainless steel grade is recommended for marine environments and coastal installations in pipe and tube applications?

SS 316 and SS 316L are the recommended grades for marine environments and coastal installations because their molybdenum-bearing chemistry improves resistance in chloride-bearing atmospheres and seawater splash zones. Common product standards are ASTM A312 / ASME SA312 for pipe, ASTM A213 / ASME SA213 for tube, and ASTM A269 for tubing, depending on the specific service condition; Stancor Tubular Products Pvt. Ltd. can supply it.

Which standard should I choose for coastal SS 316 pipe versus SS 316L tube service?

For coastal SS 316 or SS 316L pipe, ASTM A312 / ASME SA312 is typically used for process and general pressure service, while ASTM A213 / ASME SA213 is used for tube applications and ASTM A269 is used for general service tubing. The right choice depends on the specific service condition such as process piping, heat-transfer tube duty, or instrumentation-style tubing; Stancor Tubular Products Pvt. Ltd. can supply it.

Austenitic Stainless SteelUNS S31600 / S31603W.Nr 1.4401 / 1.4404

Also known as: SS 316 / 316L, Stainless Steel 316 / 316L Seamless Pipes & Tubes, S31600 / S31603, UNS S31600 / S31603, 1.4401 / 1.4404, Werkstoff 1.4401 / 1.4404, W.Nr 1.4401 / 1.4404, X5CrNiMo17-12-2 / X2CrNiMo17-12-2, 316 stainless steel, 316l stainless steel, aisi 316, aisi 316l, ss316, ss316l

Stainless Steel 316 / 316L Seamless Pipes & Tubes

SS 316 / 316L (UNS S31600 / S31603) are molybdenum-bearing austenitic stainless steels with 2-3% Mo, providing significantly improved resistance to pitting and crevice corrosion in chloride environments. 316L is the low-carbon variant (C: 0.030% max) preferred for welded fabrication, eliminating the risk of intergranular corrosion.

Request QuoteContact Sales

Size Range

1/4" NPS to 10" NPS (6.35mm to 273.1mm OD)

Wall Thickness

SCH 5S to SCH 160, XXS

Standards

4 specs

Chemical Composition Comparison (% by weight)

SS 316 S31600

C0.08 max

Mn2.00 max

Si0.75 max

Cr16.0-18.0

Ni10.0-14.0

Mo2.0-3.0

P0.045 max

S0.030 max

SS 316L S31603

C0.030 max

Mn2.00 max

Si0.75 max

Cr16.0-18.0

Ni10.0-14.0

Mo2.0-3.0

P0.045 max

S0.030 max

Grade	C	Mn	Si	Cr	Ni	Mo	P	S
SS 316S31600	0.08 max	2.00 max	0.75 max	16.0-18.0	10.0-14.0	2.0-3.0	0.045 max	0.030 max
SS 316LS31603	0.030 max	2.00 max	0.75 max	16.0-18.0	10.0-14.0	2.0-3.0	0.045 max	0.030 max

Mechanical Properties Comparison

SS 316

Tensile Strength515 MPa min

Yield Strength205 MPa min

Elongation35% min

Hardness95 HRB max

SS 316L

Tensile Strength485 MPa min

Yield Strength170 MPa min

Elongation35% min

Hardness95 HRB max

Grade	Tensile Strength	Yield Strength	Elongation	Hardness
SS 316	515 MPa min	205 MPa min	35% min	95 HRB max
SS 316L	485 MPa min	170 MPa min	35% min	95 HRB max

Physical Properties - SS 316 / 316L

Density7.98 g/cm3

Melting Range1375-1400 C

Thermal Conductivity16.3 W/m-K

Electrical Resistivity740 nOhm-m

Specific Heat500 J/kg-K

Coeff. of Thermal Expansion15.9 um/m-C

Density	Melting Range	Thermal Conductivity	Electrical Resistivity	Specific Heat	Coeff. of Thermal Expansion
7.98 g/cm3	1375-1400 C	16.3 W/m-K	740 nOhm-m	500 J/kg-K	15.9 um/m-C

Corrosion Resistance - SS 316 / 316L

Property	Value
Pitting Resistance (PREN)	~24
Max Service Temp (Oxidizing)	870 C
Intergranular Corrosion	316: Susceptible if sensitized / 316L: Resistant (low carbon)
Stress Corrosion Cracking	Better than 304 in chlorides
General Corrosion Rate	<0.05 mm/yr in most acids
Seawater Resistance	Moderate - better than 304

Equivalent International Grades

ASTMTP316 / TP316L

JISSUS 316 / SUS 316L

BS316S31 / 316S11

GOST08Kh17N13M2 / 03Kh17N14M2

ASTM	JIS	BS	GOST
TP316 / TP316L	SUS 316 / SUS 316L	316S31 / 316S11	08Kh17N13M2 / 03Kh17N14M2

SS 316 / 316L vs Comparable Grades

Grade	UNS	Tensile	Yield	PREN	Max Temp
SS 304 / 304LAustenitic Stainless Steel	S30400 / S30403	515 / 485 MPa min	205 / 170 MPa min	~18	870 C
SS 317LAustenitic Stainless Steel	S31703	515 MPa min	205 MPa min	~29	870 C
SS 316HAustenitic Stainless Steel	S31609	515 MPa min	205 MPa min	~24	870 C (continuous)

SS 316 / 316L vs SS 304 / 304L: 316 adds molybdenum for superior chloride resistance; 304 is more economical.

SS 316 / 316L vs SS 317L: 317L has higher Mo content (3-4%) for more aggressive chemical environments.

SS 316 / 316L vs SS 316H: 316H has higher carbon (0.04-0.10%) for elevated temperature creep strength.

Applicable Standards

ASTM A312 / ASME SA312ASTM A213 / ASME SA213ASTM A269DIN EN 10216-5

Applications

Marine environments and coastal installations

Chemical processing with chloride exposure

Pharmaceutical manufacturing equipment

Offshore oil & gas piping systems

Pulp and paper industry

Nuclear fuel reprocessing (316L)

Medical implants and surgical instruments

Semiconductor sub-fab PCW, DI water and CMP slurry piping (316L)

Key Advantages of SS 316 / 316L

✓Superior pitting and crevice corrosion resistance vs 304

✓Excellent resistance to chloride environments

✓316L: Best combination of weldability and chloride corrosion resistance

✓316L: No post-weld heat treatment required

✓Industry standard for pharmaceutical & biotech

✓Good resistance to sulfuric acid solutions

SS 316 / 316L Applications by Region

🇬🇧

Middle East (UAE, Saudi Arabia, Qatar, Oman, Kuwait)

Premium grade for offshore platforms, desalination plants, and petrochemical facilities across UAE, Saudi Arabia, Qatar, and Oman. 316L specified by ADNOC, Saudi Aramco, and QatarEnergy.

🇪🇺

Europe (Germany, UK, Norway, Netherlands, Italy)

Specified for marine, pharmaceutical, chemical, and offshore applications in UK, Norway, Germany, and Netherlands. NORSOK approved.

🇺🇸

United States

Most widely specified Mo-bearing grade for pharmaceutical, chemical, and offshore piping in the United States.

Frequently Asked Questions about SS 316 / 316L Seamless Pipes & Tubes

Need SS 316 / 316L?

Get a custom quote or download the technical datasheet.

Request Quote

Quick Specifications

GradeSS 316 / 316L

UNSS31600 / S31603

Werkstoff Nr.1.4401 / 1.4404

EN NameX5CrNiMo17-12-2 / X2CrNiMo17-12-2

CategoryAustenitic Stainless Steel

Size Range

1/4" NPS to 10" NPS (6.35mm to 273.1mm OD)

Wall Thickness

SCH 5S to SCH 160, XXS

Get Price for SS 316 / 316LTalk to Expert

AIAI Sales Assistant WWhatsApp SContact Sales Team

Industries Served

MarineChemical ProcessingPharmaceuticalOil & GasPulp & PaperNuclearMedicalSemiconductor & Electronics

Related Grades

SS 304 / 304L

UNS S30400 / S30403

→

SS 304H

UNS S30409

→

SS 316H

UNS S31609

→

SS 321

UNS S32100

→

SS 347

UNS S34700

→

SS 310S

UNS S31008

→

Compare With

SS 304 / 304L

Austenitic Stainless Steel

→

SS 317L

Austenitic Stainless Steel

→

SS 316H

Austenitic Stainless Steel

→

Part of

Stainless Steel Seamless Pipes (Austenitic) →

Ready to Order SS 316 / 316L Seamless Pipes & Tubes?

Stancor Tubular Products supplies SS 316 / 316L seamless pipes & tubes across the GCC, India, Europe and the USA. Contact our sales team for competitive pricing, fast delivery, and full material certification.

Request Quotation Call +91 22 65271000