ASTM A350 LF2 Flange
| Size Chart | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
|---|---|
| Standards | API7S-15, API7S-43, API605, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, EN1092 |
| Pressure Rating ANSI | 600 LBS, 900 LBS, 150 LBS, 2500 LBS, 300 LBS, 1500 LBS |
| Pressure Calculation in DIN | 16Bar 6Bar 25Bar 40Bar 10Bar / PN10 PN16 PN6 PN25 PN64 PN40 |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Anti-rust Paint, Zinc Plated,Oil Black Paint, Cold and Hot Dip Galvanized, Yellow Transparent |
| Most common types | Forged / Threaded / Screwed / Plate |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
|
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special design |
As per your drawing AS, ANSI, BS, DIN and JIS |
| Test | Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Bending machine, Pushing Machine,Press machine, electric bevelling machine, Sand-blasting machine etc |
| Nominal Pipe Size NPS (inches) |
Class 300 | ||||
|---|---|---|---|---|---|
| Diameter of Flange (inches) |
No. of Bolts |
Diameter of Bolts (inches) |
Diameter of Bolt Holes (inches) |
Bolt Circle (inches) |
|
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-3/4 | 4 | 1/2 | 0.62 | 2-5/8 |
| 3/4 | 4-5/8 | 4 | 5/8 | 0.75 | 3-1/4 |
| 1 | 4-7/8 | 4 | 5/8 | 0.75 | 3-1/2 |
| 1-1/4 | 5-1/4 | 4 | 5/8 | 0.75 | 3-7/8 |
| 1-1/2 | 6-1/8 | 4 | 3/4 | 0.88 | 4-1/2 |
| 2 | 6-1/2 | 8 | 5/8 | 0.75 | 5 |
| 2-1/2 | 7-1/2 | 8 | 3/4 | 0.88 | 5-7/8 |
| 3 | 8-1/4 | 8 | 3/4 | 0.88 | 6-5/8 |
| 3-1/2 | 9 | 8 | 3/4 | 0.88 | 7-1/4 |
| 4 | 10 | 8 | 3/4 | 0.88 | 7-7/8 |
| 5 | 11 | 8 | 3/4 | 0.88 | 9-1/4 |
| 6 | 12-1/2 | 12 | 3/4 | 0.88 | 10-5/8 |
| 8 | 15 | 12 | 7/8 | 1 | 13 |
| 10 | 17-1/2 | 16 | 1 | 1.12 | 15-1/4 |
| 12 | 20-1/2 | 16 | 1-1/8 | 1.25 | 17-3/4 |
| 14 | 23 | 20 | 1-1/8 | 1.25 | 20-1/4 |
| 16 | 25-1/2 | 20 | 1-1/4 | 1.38 | 22-1/2 |
| 18 | 28 | 24 | 1-1/4 | 1.38 | 24-3/4 |
| 20 | 30-1/2 | 24 | 1-1/4 | 1.38 | 27 |
| 24 | 36 | 24 | 1-1/2 | 1.62 | 32 |
|
C%
|
Mn%
|
Si%
|
S%
|
P%
|
Cr%
|
Ni%
|
|
0.30 max
|
0.6/1.35
|
.15/.30
|
.040 max
|
.035 max
|
0.30 max
|
0.40 max
|
|
PROPERTIES
|
Imperial
|
|---|---|
|
TS Min psi (Mpa)
|
70,000 (485)
|
|
YS Min psi (Mpa)
|
36,000 (250)
|
|
EL (2″ Min)
|
22%
|
|
RA Min
|
30%
|
|
Hardness, Bhn
|
Max 197
|
|
-50ºF Charpy
|
Min Impact
|
|
Energy F t/Lb (J):-
|
|
|
Set of 3 Specimen*
|
15 (20)
|
|
For One Specimen
|
12 (16)
|
|
Properties
|
Metric
|
Imperial
|
|---|---|---|
|
Thermal expansion co-efficient (@0-100°C/32-212°F)
|
10.4 µm/m°C
|
5.78 µin/in°F
|
|
Thermal conductivity
|
21.6 W/mK
|
150 BTU in/hr.ft².°F
|
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