| Material | Sizes | Types |
|---|---|---|
| ASTM A350 |
|
Lap joint |
| Test Certificates | Face Types | ASME |
|
|
|
| Pressure Rating | DIN Pressure | Surface finish |
| Class 150 to Class 2500 | PN 6 to PN64 |
|
| Product | Price |
| A350 LF2 1 1/2 LAP JOINT 300 FLANGE | US $25.96 per piece |
| A350 LF2 2 LAP JOINT FLANGE 300# | US $31.53 per piece |
ASTM A350 LF2 lap joint flanges
A350 LF2 lap joint flange
SA 350 LF2 lap joint Flange
ASTM A350 Gr LF2 lap joint Flange
ASTM A350 LF2 Class 1 lap joint Flange
ASME SA 350 LF2 Class 1 lap joint Flange
| NPS | I.D. | O.D. | Bolt Circle | H | T1 | T2 | RA | Bolt Hole (B) | No. of Bolt Holes |
|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 0.88" | 3.50" | 2.38" | 1.19" | .44" | .62" | .12" | .62" | 4 |
| 3/4" | 1.09" | 3.88" | 2.75" | 1.50" | .50" | .62" | .12" | .62" | 4 |
| 1" | 1.36" | 4.25" | 3.12" | 1.94" | .56" | .69" | .12" | .62" | 4 |
| 1-1/4" | 1.70" | 4.62" | 3.50" | 2.31" | .62" | .81" | .19" | .62" | 4 |
| 1-1/2" | 1.97" | 5.00" | 3.88" | 2.56" | .69" | .88" | .25" | .62" | 4 |
| 2" | 2.44" | 6.00" | 4.75" | 3.06" | .75" | 1.00" | .31" | .75" | 4 |
| 2-1/2" | 2.94" | 7.00" | 5.50" | 3.56" | .88" | 1.12" | .31" | .75" | 4 |
| 3" | 3.57" | 7.50" | 6.00" | 4.25" | .94" | 1.19" | .38" | .75" | 4 |
| 3-1/2" | 4.07" | 8.50" | 7.00" | 4.81" | .94" | 1.25" | .38" | .75" | 8 |
| 4" | 4.57" | 9.00" | 7.50" | 5.31" | .94" | 1.31" | .44" | .75" | 8 |
| 5" | 5.66" | 10.00" | 8.50" | 6.44" | .94" | 1.44" | .44" | .88" | 8 |
| 6" | 6.72" | 11.00" | 9.50" | 7.56" | 1.00" | 1.56" | .50" | .88" | 8 |
| 8" | 8.72" | 13.50" | 11.75" | 9.69" | 1.12" | 1.75" | .50" | .88" | 8 |
| 10" | 10.88" | 16.00" | 14.25" | 12.00" | 1.19" | 1.94" | .50" | 1.00" | 12 |
| 12" | 12.88" | 19.00" | 17.00" | 14.38" | 1.25" | 2.19" | .50" | 1.00" | 12 |
| 14" | 14.14" | 21.00" | 18.75" | 15.75" | 1.38" | 3.12" | .50" | 1.12" | 12 |
| 16" | 16.16" | 23.50" | 21.25" | 18.00" | 1.44" | 3.44" | .50" | 1.12" | 16 |
| 18" | 18.18" | 25.00" | 22.75" | 19.88" | 1.56" | 3.81" | .50" | 1.25" | 16 |
| 20" | 20.20" | 27.50" | 25.00" | 22.00" | 1.69" | 4.06" | .50" | 1.25" | 20 |
| 22" | 22.22" | 29.50" | 27.25" | 24.25" | 1.81" | 4.25" | .50" | 1.38" | 20 |
| 24" | 24.25" | 32.00" | 29.50" | 26.12" | 1.88" | 4.38" | .50" | 1.38" | 20 |
| Element | Composition, w.t % |
| C | ≤0.30 |
| Mn | 0.60-1.35 |
| Si | 0.15-0.30 |
| Ni | ≤0.40 |
| P | ≤0.035 |
| S | ≤0.040 |
| Cb | ≤0.02 |
| V | ≤0.08 |
| N | ... |
| Cr | ≤0.30 |
| Mo | ≤0.12 |
| Cu | ≤0.40 |
| Grade/Class | Tensile Strength | Yield Strength, min. | Elongation, min. | Hardness, max. | ||
| ksi | MPa | ksi | MPa | % | HBW | |
| LF2 CL2 | 70–95 | 485–655 | 36 | 250 | 22 | 197 |
| Grade | Test Temperature, ? [?] |
|---|---|
| LF2 Class 1 | -50 [-46] |
| LF2 Class 2 | -0 [-18] |