Short Description

Model No.: 316L-Blind-Flange-RTJ-12-Inch-900#-R57

China Blind Flanges Manufacturer www.steeljrv.com offers ANSI B16.5 316L Blind Flange RTJ, 12 Inch, 900#, R57.

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Key Specifications / Features

Type: Blind Flange
Pressure: 900# (Class 900)
Size: 12 Inch (DN300)
Material: 316L
Flange Facing Type:RTJ
Dim. Tolerance: +/- 0.03 in.
Standards: ANSI B16.5

China Blind Flanges Manufacturer www.steeljrv.com offers ANSI B16.5 316L Blind Flange RTJ 12 Inch 900# R57.
20181241833373458575 - ANSI B16.5 316L Blind Flange RTJ 12 Inch 900# R57

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

Mo

N

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

2.00–3.00

0.1

485

170

201511272054296607394 - ANSI B16.5 316L Blind Flange RTJ 12 Inch 900# R57

Dimensions of ANSI/ASME B16.5 Class 900 Blind Flanges

Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam. 
of Bolt
Circle
Diam. 
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
Approx. Weight
inch dn O C BC BH BN BD KG/PCS LB/PCS
1/2″ 15 120.7 22.4 82.6 22.4 4 3/4″ 1.9 4.2
3/4″ 20 130 25.4 88.9 22.4 4 3/4″ 2.7 6
1″ 25 149.4 28.4 101.6 25.4 4 7/8″ 3.7 8.1
1-1/4″ 32 158.8 28.4 111.3 25.4 4 7/8″ 4.3 9.5
1-1/2″ 40 177.8 31.8 124 28.4 4 1″ 5.9 13
2″ 50 215.9 38.1 165.1 25.4 8 7/8″ 11.3 24.9
2-1/2″ 65 244.3 41.1 190.5 28.4 8 1″ 16 35.2
3″ 80 241.3 38.1 190.5 25.4 8 7/8″ 16.8 37
4″ 100 292.1 44.5 235 31.8 8 1 1/8″ 24.5 54
5″ 125 349.3 50.8 279.4 35.1 8 1 1/4″ 39.5 87
6″ 150 381 55.6 317.5 31.8 12 1 1/8″ 51.5 113.5
8″ 200 469.9 63.5 393.7 38.1 12 1 3/8″ 89 196
10″ 250 546.1 69.9 469.9 38.1 16 1 3/8″ 131 289
12″ 300 609.6 79.2 533.4 38.1 20 1 3/8″ 187 412
14″ 350 641.4 85.9 558.8 41.1 20 1 1/2″ 224 494
16″ 400 704.9 88.9 616 44.5 20 1 5/8″ 259 593
18″ 450 787.4 101.6 685.8 50.8 20 1 7/8″ 383 844
20″ 500 857.3 108 749.3 53.8 20 2″ 482 1063
24″ 600 1041 139.7 901.7 66.5 20 2 1/2″ 905 1995

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