What Are 316 Stainless Steel Flanges?

Need tough, reliable pipe connections? That’s where 316 Stainless Steel Flanges come in. They’re made from grade 316 stainless steel. which is fantastic at handling corrosion, oxidation and heat. Think of them as essential connectors in your piping system they securely join pipes, valves, pumps, and other gear. Making sure you get a tight leak free seal. The real advantage of 316 is the molybdenum added to the mix. It seriously boosts resistance to harsh chemicals and salty environments. This makes them perfect for demanding jobs like marine applications, chemical plants and tough industrial settings where you just can’t compromise on strength and longevity.

316 Stainless Steel Flanges And 316Ti Flanges Specification

Specifications

:

ASTM A182 / ASME SA182

Size

:

1/2″ (15 NB) to 48″ (1200 NB)

Standards

:

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Class / Pressure

:

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standard

:

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Stainless Steel 316 Flanges Chemical Composition

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

N

SS 316

0.08 max

2 max

1.0 max

0.045 max

0.030 max

16.00 – 18.00

2.00 – 3.00

11.00 – 14.00

67.845 min

SS 316Ti

0.08 max

2 max

0.75 max

0.045 max

0.030 max

16.00 – 18.00

2.00 – 3.00

10.00 – 14.00

68.395 min

316 Stainless Steel Flanges And 316Ti Flanges Mechanical Properties

Grade

Density

Melting Point

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

SS 316

8.0 g/cm3

1400 °C (2550 °F)

Psi – 75000 , MPa – 515

Psi – 30000 , MPa – 205

35 %

SS 316Ti

8.0 g/cm3

1399 °C (2550 °F)

Psi – 75000 , MPa – 515

Psi – 30000 , MPa – 205

35 %

Equivalent Grade For 316 Stainless Steel Flanges And 316Ti Stainless Steel Flanges

STANDARD

WERKSTOFF NR.

UNS

JIS

BS

GOST

AFNOR

EN

SS 316

1.4401 / 1.4436

S31600

SUS 316

316S31 / 316S33

Z7CND17‐11‐02

X5CrNiMo17-12-2 / X3CrNiMo17-13-3

SS 316Ti

1.4571

S31635

SUS 316Ti

320S31

08Ch17N13M2T

Z6CNDT17‐123

X6CrNiMoTi17-12-2

Types of Stainless Steel 316 / 316Ti Flange

  • SS 316 / 316Ti Raised Face Slip On Flanges
  • 316 / 316Ti SS Slip On Plate Flanges
  • 316 / 316Ti Stainless Steel Slip On Flanges
  • SS UNS S31600 / S31635 Slip On Flanges
  • SS WERKSTOFF NR. 1.4435 / 1.4571 45 SORF Flanges
  • ASME SA182 316 / 316Ti Slip On Flanges
  • SS 316 / 316Ti Raised Face Weld Neck Flanges
  • 316 / 316Ti SS Weld Neck Flanges
  • 316 / 316Ti Stainless Steel Weld Neck Flange
  • SS UNS S31600 / S31635 Weld Neck Flanges
  • SS WERKSTOFF NR. 1.4435 / 1.4571 Weld Neck Flange
  • ASTM A182 316 / 316Ti Stainless Steel WNRF Flange
  • SS 316 / 316Ti Raised Face Blind Flanges
  • 316 / 316Ti SS Blind Flanges
  • 316 / 316Ti Stainless Steel Blind Flange
  • SS UNS S31600 / S31635 Blind Flanges
  • SS WERKSTOFF NR. 1.4435 / 1.4571 Blind Flange
  • ASTM A182 316 / 316Ti Stainless Steel BLRF Flanges
  • SS 316 / 316Ti Threaded Flanges
  • 316 / 316Ti SS Threaded Flanges
  • 316 / 316Ti Stainless Steel Threaded Flanges
  • SS UNS S31600 / S31635 Threaded Flanges
  • SS WERKSTOFF NR. 1.4435 / 1.4571 Threaded Flanges
  • ASTM A182 Stainless Steel 316 / 316Ti Threaded Flanges

Where to Buy Stainless Steel 316 Flanges

Regarding finding premium Stainless Steel 316 Flanges, Lakshya Steel is one of the dependable and trustworthy vendors. Our area of expertise is providing a wide spectrum of 316 SS flanges designed for exceptional strength, great corrosion resistance and long-term performance in severe conditions. Using premium raw materials and cutting edge manufacturing processes our flanges are produced to satisfy customer requirements and international standards. Whether your project calls for general industrial chemical, petrochemical, or marine uses, our 316 stainless steel flanges offer the dependability and strength needed for important operations. At Lakshya Steel, our values include outstanding customer service, on-time delivery and reasonable price range. To investigate our product line and get a specific price fit for your project requirements contact us now.

Frequently Asked Questions (FAQs) – Stainless Steel 316 Flanges

What are Stainless Steel 316 Flanges used for?

Piping systems link valves, pumps, pipes, and other equipment using stainless steel 316 flanges. For marine, chemical processing, and industrial uses, their corrosion resistance and endurance make them perfect.

What makes 316 stainless steel different from 304 stainless steel?

The key difference is the presence of molybdenum in 316 stainless steel, which enhances resistance to pitting and corrosion, especially in chloride-rich environments like seawater. This makes 316 more suitable for harsh or corrosive applications than 304.

Are 316 Stainless Steel Flanges resistant to saltwater?

Yes, 316 stainless steel has excellent resistance to saltwater and chloride environments due to its molybdenum content, making it a preferred choice for marine and offshore applications.

What types of 316 Stainless Steel Flanges are available?

Common types include Weld Neck Flanges, Slip-On Flanges, Blind Flanges, Socket Weld Flanges, Threaded Flanges, and Lap Joint Flanges. Each type is used based on the specific piping requirements and pressure ratings.

Can 316 Stainless Steel Flanges handle high temperatures?

Yes, 316 SS flanges can withstand high temperatures up to around 870°C (1598°F) intermittently and 925°C (1700°F) continuously, making them suitable for high-temperature industrial processes.
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