What is the wall thickness of SS 316 pipe?

What is the Wall Thickness of SS 316 Pipe? – Buyer's Guide & Specifications

 

When purchasing SS 316 stainless steel pipes, wall thickness is one of the most important factors buyers consider. It directly affects the pipe's pressure rating, durability, weight, and cost. Whether you are sourcing for chemical processing, marine piping, food-grade systems, or industrial construction, choosing the correct wall thickness ensures safety, compliance, and cost efficiency.

 

 

1. Why Wall Thickness Matters in SS 316 Pipes?

Pressure Resistance: Thicker walls can handle higher internal pressures without deformation.

Durability: Greater wall thickness provides better wear resistance, especially in abrasive or high-flow applications.

Weldability & Fabrication: Wall thickness affects bending, welding, and machining processes.

Cost Impact: More material means higher weight and cost-over-specifying thickness may lead to unnecessary expense.

 

SS 316 Pipe Wall Thickness Standards

SS 316 pipes are manufactured to multiple standards, with ASTM A312 and ASME B36.19/B36.10 being the most common for industrial and food-grade applications,Two common sizing systems are used: Schedule (SCH) and Metric thickness.

 

SS 316 Pipe Wall Thickness Table (ASTM A312 – Sch 5S to Sch 80S)

Nominal Pipe Size (NPS)	Outside Diameter (OD) mm	Sch 5S (mm)	Sch 10S (mm)	Sch 40S (mm)	Sch 80S (mm)
1/2"	21.34	1.65	2.11	2.77	3.73
1"	33.40	1.65	2.77	3.38	4.55
2"	60.33	2.11	2.77	3.91	5.54
4"	114.30	2.77	3.05	6.02	8.56
6"	168.28	3.05	3.40	7.11	10.97

(Other sizes available upon request)

 

How to Choose the Right Wall Thickness for 316 Stainless Steel Pipe?

For high-pressure applications (e.g., steam, oil, and chemical lines): Select a wall thickness of Schedule 40S or above.
For food and beverage processing: For most sanitary applications, Schedule 5S or Schedule 10S is sufficient.
For marine and offshore applications: Consider corrosion tolerance and thicker wall thickness for extended service life.

 

GNEE offers high-quality 316 stainless steel tubing at wholesale prices. As a purchasing manager, you can find the best deals for your industry's needs. We offer a wide variety of stainless steel tubing grades to meet your needs. You can trust us for reliable supply and cost-effective solutions.
Email: info@gneestainless.com

 

Material Grades: SS 316 / 316L (EN 1.4401 / 1.4404)

Size Range: OD 6 mm – 630 mm, wall thickness 0.5 mm – 50 mm

Standards: ASTM A312, ASTM A269, EN 10216-5

Surface Finish: 2B, BA, No.4, Polished

Certifications: ISO 9001, PED, SGS, BV

Fast Delivery: 15–25 days to major ports worldwide

Custom Packaging: Wooden crates, steel straps, seaworthy protection