ASME B16.20 316L Octagonal Ring Joint Gasket Type R57 DN300 900LBS
Short Description
Model No.: 316L-Octagonal-Ring-Joint-Gasket-Type-R57-DN300-900LBS
China Octagonal Ring Joint Gasket Manufacturer www.metallicsteel.com supplies ASME B16.20 316L Octagonal Ring Joint Gasket Type R57, DN300, 900LBS.
Tags:
Key Specifications / Features
Type: 316L Octagonal Ring Joint Gasket
Size: 12″ (DN300)
Material: 316L
Type: RTJ Gasket
Standard: ASME B16.20
Pressure Class: 900LBS
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Chemical Composition and Mechanical Property For 316L |
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Steel Grade |
Chemical Composition |
Mechanical Performance |
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|
C(Max) |
Si(Max) |
Mn(Max) |
P(Max) |
S(Max) |
Ni |
Cr |
Mo |
N |
Tensile Strength |
Yield Strength |
|
|
Mpa |
Mpa |
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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 |
Dimensions & Tolerances
Type R Octagonal Ring Joint Gaskets ASME B16.20 to be used with RTJ flanges ASME B16.5 series
|
R NO |
Dia P |
Width A |
Height |
Oct C |
Oct R1 |
NPS CL |
|
|
Oval B |
Oct H |
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| R 50 | 269.88 | 15.88 | 22.4 | 20.6 | 10.49 | 1.5 |
8 1500 |
| R 51 | 279.4 | 22.23 | 28.7 | 26.9 | 14.81 | 1.5 |
8 2500 |
| R 52 | 304.8 | 7.95 | 14.2 | 12.7 | 5.23 | 1.5 |
10 150 |
| R 53 | 323.85 | 11.13 | 17.5 | 16 | 7.75 | 1.5 |
10 300 900 |
| R 54 | 323.85 | 15.88 | 22.4 | 20.6 | 10.49 | 1.5 |
10 1500 |
| R 55 | 342.9 | 28.58 | 36.6 | 35.1 | 19.81 | 2.3 |
10 2500 |
| R 56 | 381 | 7.95 | 14.2 | 12.7 | 5.23 | 1.5 |
12 150 |
| R 57 | 381 | 11.13 | 17.5 | 16 | 7.75 | 1.5 |
12 300 900 |
| R 58 | 381 | 22.23 | 28.7 | 26.9 | 14.81 | 1.5 |
12 1500 |
| R 59 | 396.88 | 7.95 | 14.2 | 12.7 | 5.23 | 1.5 |
14 150 |
