Short Description

Model No.: F316L-WNRTJ-Flange-1-1/2-Inch-Sch80-900#

China Weld Neck Ring Type Joint Flange Manufacturer www.ugsteelmill.com offers ASME B16.5 ASTM A182 F316L WNRTJ Flange, 1-1/2 Inch, Sch80, 900#.

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Key Specifications / Features

Type: WNRTJ Flange
Material: 316L
Pressure: CL900
Size: DN40 (1-1/2″)
Standard: ASME B16.5
Ends: RTJ (Ring Type Joint)

201810291737178570926 - ASME B16.5 ASTM A182 F316L WNRTJ Flange 1-1/2 Inch Sch80 900#

Chemical Composition and Mechanical Property for 316L

Steel Grade

Chemical Composition

Mechanical Performance

C(Max)

Si(Max)

Mn(Max)

P(Max)

S(Max)

Ni

Cr

N(Max)

Mo

Tensile Strength
(Min)

Yield Strength
(Min)

Mpa

Mpa

316L

0.03

0.75

2.00

0.045

0.03

10.0–14.0

16.0–18.0

0.1

2.00–3.00

485

170

201810291741306331088 - ASME B16.5 ASTM A182 F316L WNRTJ Flange 1-1/2 Inch Sch80 900#

Class 900 WN RTJ Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thickness Hub OD Weld Neck OD Welding Neck Length RTJ RF Dia RTJ RF Height PCD RTJ Pitch dia RTJ Depth RTJ Width Bore
    A B C D E F G H I J K L
1/2 15 120 22.3 38 21.3 60 60.5 6.35 82.6 39.67 6.35 8.74 Refer Note: Welding Neck bore is derived from the pipe schedule
3/4 20 130 25.4 44 26.7 70 66.5 6.35 88.9 44.45 6.35 8.74
1 25 150 28.6 52 33.4 73 71.5 6.35 101.6 50.8 6.35 8.74
1 1/4 32 160 28.6 64 42.2 73 81 6.35 111.1 60.33 6.35 8.74
1 1/2 40 180 31.8 70 48.3 83 92 6.35 123.8 68.27 6.35 8.74
2 50 215 38.1 105 60.3 102 124 7.92 165.1 95.25 7.92 11.91
2 1/2 65 245 41.3 124 73 105 137 7.92 190.5 107.95 7.92 11.91
3 80 240 38.1 127 88.9 102 156 7.92 190.5 123.83 7.92 11.91
4 100 290 44.5 159 114.3 114 181 7.92 235 149.23 7.92 11.91
5 125 350 50.8 190 141.3 127 216 7.92 279.4 180.98 7.92 11.91
6 150 380 55.6 235 168.3 140 241 7.92 317.5 211.12 7.92 11.91
8 200 470 63.5 298 219.1 162 308 7.92 393.7 269.88 7.92 11.91
10 250 545 69.9 368 273 184 362 7.92 469.9 323.85 7.92 11.91
12 300 610 79.4 419 323.8 200 419 7.92 533.4 381 7.92 11.91
14 350 640 85.8 451 355.6 213 467 11.13 558.8 419.1 11.13 16.66
16 400 705 88.9 508 406.4 216 524 11.13 616 469.9 11.13 16.66
18 450 785 101.6 565 457 229 594 12.7 685.8 533.4 12.7 19.84
20 500 855 108 622 508 248 648 12.7 749.3 584.2 12.7 19.84
24 600 1040 139.7 749 610 292 772 15.88 901.7 692.15 15.88 26.97

RING JOINT FLANGE (RTJ)

     1505913188 3581 ringjointflange - ASME B16.5 ASTM A182 F316L WNRTJ Flange 1-1/2 Inch Sch80 900#

A ring joint flanges (RTJ) is used when a metal-to-metal seal between the mating flanges is required (which is a condition for high-pressure and high-temperature applications, i.e. above 700/800 C°).

A ring joint flange features a circular groove to accommodate a ring joint gasket (oval, or rectangular). As the two ring joint flanges are bolted together and then tightened, the applied bolting force deforms the gaskets inside the flange groove creating a very tight metal-to-metal seal. To make this happen, the material of the ring joint gasket has to be softer (more ductile) than the material of the flange.

RTJ flanges can be sealed by RTJ gaskets of different styles (R, RX, BX) and profiles (example: octagonal/oval for the R style).

The most common RTJ gasket is the R style with an octagonal section, as it ensures a very strong seal (the oval section is an older type). A “flat groove” design, however, accepts both RTJ gaskets having an octagonal or oval section.

Ring Joint flange - ASME B16.5 ASTM A182 F316L WNRTJ Flange 1-1/2 Inch Sch80 900#

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