What is the specification of ss316l pipe?

SS316L stainless steel pipe is widely used in industries requiring high corrosion resistance, excellent weldability, and strength at high temperatures. This guide provides a comprehensive overview of SS316L pipe specifications, including mechanical properties, dimensional standards, chemical composition, and frequently asked questions to help procurement professionals make informed decisions.

 

What Is SS316L Stainless Steel pipe?

SS316L is the low-carbon version of SS316 austenitic stainless steel, designated as UNS S31603, featuring excellent corrosion resistance, especially in chloride-rich environments. It is widely used in marine, chemical processing, pharmaceutical, food-grade, and oil & gas industries.

 

 

SS 316L Pipe Specifications

Standard	Specification
Material Grade	SS316L / UNS S31603 / 1.4404 / X2CrNiMo17-12-2
Manufacturing Types	Seamless, Welded, ERW, EFW
Product Forms	Round pipe, square/rectangular tube, hollow section
Dimensions Range	OD: 6mm - 1219mm, Wall Thickness: 0.5mm - 50mm, Length: up to 12m
Surface Finish	Mill Finish, Annealed & Pickled, Polished (180–600 grit)
Common Standards	ASTM A312, ASTM A269, ASTM A213, ASTM A249, EN 10216-5, JIS G3463

SS316L Pipe Chemical Composition (%)

Element	Min	Max
C	-	0.03
Mn	-	2.00
Si	-	1.00
P	-	0.045
S	-	0.03
Cr	16.0	18.0
Ni	10.0	14.0
Mo	2.0	3.0

SS316L Pipe Mechanical Properties

Property	Metric (Seamless)
Yield Strength (0.2% offset)	≥ 170 MPa
Tensile Strength	≥ 485 MPa
Elongation	≥ 35%
Hardness (HRB)	≤ 95
Density	7.99 g/cm³

 

What is the difference between SS316 and SS316L pipe?

SS316L has a lower carbon content (≤0.03%) compared to SS316, offering better resistance to intergranular corrosion after welding, making it ideal for chemical and pharmaceutical processing.

 

What pressure ratings are available for SS316L pipes?

Pressure ratings vary by schedule (SCH10S, SCH40S, SCH80S, etc.) and pipe size. For example, a 1-inch SCH40S SS316L pipe has a pressure rating of ~2,500 psi (17.2 MPa) at room temperature.

 

Can SS316L pipe be used for drinking water or food applications?

Yes. SS316L is compliant with sanitary regulations and widely used in food-grade and potable water systems due to its corrosion resistance and non-reactive nature.

 

Is SS316L magnetic?

No. SS316L is generally non-magnetic in the annealed condition but may show slight magnetism after cold working.

 

What certifications are provided with SS316L pipe?

GNEE supplies SS316L pipes with EN 10204 3.1 or 3.2 certificates, as well as compliance with PED, NACE MR0175, ISO 9001, and other third-party inspections (TÜV, SGS, BV) upon request.

 

SS316L pipe price per kg

The price per kilogram of SS316L pipe is influenced by a variety of factors, including the price of stainless steel raw materials (such as nickel and chromium), pipe specifications and dimensions, processing method (seamless/welded), surface treatment, order quantity, and transportation costs to the destination.For the latest quote on GNEE 316L stainless steel pipe, please contact us for real-time pricing and technical support! Email: sales@gneestainless.com