Short Description

Model No.: F310S-SO-RTJ-Flange-1-1/2"-600#

China Slip On Ring Type Joint Flange Manufacturer www.steeljrv.com offers ANSI B16.5 ASTM A182 F310S SO RTJ Flange, 1-1/2″, 600#.

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Key Specifications / Features

Type: SO RTJ Flange
Material: Grade 310S (UNS S31008)
Size: 1-1/2″ (DN50)
Class: 600#
Standard: ANSI B16.5

Stainless steel 310/310S is an austenitic heat resistant alloy with excellent resistance to oxidation under mildly cyclic conditions through 2000°F. Its high chromium and nickel contents provide comparable corrosion resistance, superior resistance to oxidation and the retention of a larger fraction of room temperature strength than the common austenitic alloys like Type 304. Stainless 310 is often used at cryogenic temperatures, with excellent toughness to -450°F, and low magnetic permeability.

A Ring Type Joint Flange, abbreviated as RTJF, is a type of flange that uses a metal ring that sits in a hexagonal groove as a gasket to seal the flange pair. The flanges seal when the bolts are tightened and the gasket is compressed into the groove making a metal to metal seal. An RTJ flange usually has a raised face with the groove machined into the face of the flange. The raised face doesn’t serve as a way to contain the pressure. data wnf rjf b16.5 - ANSI B16.5 ASTM A182 F310S SO RTJ Flange 1-1/2" 600#

RTJ Flanges are used for high pressure applications up to pressures as high as 15,000 psi (103 MPa). It is only furnished only on steel or alloy valve bodies and usually need to specified when ordering. The flanges usually come in blind, slip-on, threaded and weld neck.
The benefits of using an RTJ flange and ring is that the gasket is confined to a groove and has two sealing surfaces. The groove assures that the ring centers itself when the bolts are tightened. It also is self actuating meaning that the sealing pressure increases when the process pressure increases.
The disadvantages of using RTJ Flanges is that ring type joint grooves can accumulate dirt or moisture when the flange is open. Since the seal is a metal on metal connection, a small amount of damage on the narrow sealing surface(s) may lead to a leak. Additionally, the grooves and gasket must align properly in order to assemble the flange and obtain a seal. They must stay aligned throughout the operating cycle. This is important if you are flanging up to dissimilar metals like stainless steel to carbon steel flanges.

20191110215623 57822 - ANSI B16.5 ASTM A182 F310S SO RTJ Flange 1-1/2" 600#

Chemical composition % of Grade 310S (UNS S31008)

%

Cr

Ni

C

Si

Mn

P

S

Mo

Cu

Fe

310

min: 24.0
max:26.0

min: 19.0
max: 22.0

0.25

0.75

2.0

0.045

0.030

0.75

0.5

balance

310S

min: 24.0
max: 26.0

min: 19.0
max: 22.0

0.08

1.00

2.0

0.045

0.030

0.75

0.5

balance

Mechanical Properties of Grade 310S (UNS S31008):

Grade

Tensile Strength
ksi (min.)

Yield Strength 0.2%
Offset ksi (min.)

Elongation –
% in
50 mm (min.)

Hardness
(Brinell) MAX

Hardness
(Rockwell B) MAX

310/310S

75

30

40

217

95

Physical Properties of Grade 310S (UNS S31008):

Denstiy
lbm/in3

Coefficient of
Thermal Expansion (min/in)-°F

Electrical Resistivity mW-in

Thermal Conductivity BTU/hr-ft-°F

Specific Heat BTU/lbm -°F

Magnetic Permability (annealed)1

Modules of Elasticity (annealed)2-psi

at 68 °F

at 68 – 212°F

at 68 – 932°F

at 68 – 1832°F

at 68°F

at 1200°F

at 68 – 1832°F

at 68 – 932°F

at 32 – 212°F

at 200H

in tension (E)

in shear (G)

0.29

8.8

9.5

10.5

30.7

10.5

10.8

0.12

1.02

29 x 106

11.2 x 106


What are the characteristics of 310/310S Stainless?

  • Oxidation resistance to 2000°F
  • Moderate strength at high temperature
  • Resistance to hot corrosion
  • Strength and toughness at cryogenic temperatures

Typical Applications for 310/310S Stainless

  • Kilns
  • Heat Exchangers
  • Radiant Tubes
  • Muffles, retorts, annealing covers
  • Tube hangers for petroleum refiing adn steam boilers
  • Coal gasifier internal components
  • Saggers
  • Furnace parts, conveyor belts, rollers, oven linings, fans
  • Food processing equipment
  • Cryogenic structures

Fabrication with Stainless 310/310S

Type 310/310S is readily fabricated by standard commercial procedures. In comparison to carbon steel, stainless steels are tougher and tend to work harden rapidly.

Type 310/310S can be welded using all of the common welding processes.

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Brand Name
Yaang
Name
ANSI B16.5 ASTM A182 F310S SO RTJ Flange 1-1/2" 600#
Price
USD 1-9999
Product Availability
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