Check ASME SA350 Gr Lf2 Cl1 Blind and LTCS Pipe Flanges Supplier
Stockist of A350 Lf2 Class 2 Forged, Weld neck, and Class 1 Plate Flange
ASTM A350 LF2 Flanges
A350 Lf2 Material
CS A350 Lf2 Class 1 Flange
A350 Lf2 Forgings
ASTM A350 Lf2 Class 2 Blind Flange
Table of Content
- Specification of ASTM A350 LF2 Flanges
- A350 Lf2 Material Size in MM
- CS A350 Lf2 Class 1 Flange Types
- ASTM A350 Lf2 Class 2 Blind Flange Properties
- Chemical properties of A350 Lf2 Cl1 Flanges
- CS A350 Lf2 Flanges Mechanical properties
- A350 Lf2 Forgings Cost
- Difference Between ASTM A350 LF2 Flanges and ASTM A105 Flanges
- Sa350 Lf2 Forged Flange Dimension Chart
- Carbon Steel Sa350 Lf2 Class 1 Pipe Flange Rating
- Weight of A350 Gr Lf2 Cl1 Weld neck Flange
- Physical Properties of A350 Gr Lf2 Class 1 Slip On Flange
Specification of ASTM A350 LF2 Flanges
| Size | 1/2" TO 4" |
| Range | 15 NB TO 100 NB IN 3000 LBS, 6000 LBS, 9000 LBS |
| Grade | ASTM / ASME A105/ A105N/ A694 F42/46/52/56/60/65/70 / A350 LF3/ A350 LF2 |
| Pressure Rating | 2000#, 3000#, 6000#, 9000# |
| Class | 150#, 300#, 400#, 600#, 900#, 1500# & 2500#. |
| Type | Socketweld Fittings, Screwed-Threaded Fittings |
| Form | Tee, Union, Full Coupling, Half Coupling,Elbow 45 Deg & 90 Deg, Swage Nipple, Cross, Cap, Plug Bush |
View A350 Lf2 Flange Sizes, Dimensions, Equivalent, Properties And Astm A350 Lf2 Material Specification
A350 Lf2 Material Size in MM
| Nominal Size Of Pipe Normal Size Of Pipe (inch) |
|||||
|---|---|---|---|---|---|
| Dia. of Flange (inch) |
No. of Bolts |
Dia. of Bolts (inch) |
Dia. of Bolt Holes (inch) |
Bolt Circle (inch) |
|
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
CS A350 Lf2 Class 1 Flange Types
ASTM A350 LF2 Corrosion Resistance Weld Neck Flanges
ASTM a350 lf2 steel spectacle blind Flanges
Ansi Class 150 Carbon Steel Blind Flanges
ASTM A350 LF2 CL1 forging carbon steel Flanges
Carbon Steel Long Weld Neck Flanges ASTM LF2
ASME B16.5 600 LB Ring Joint ASTM A 350 Gr.LF2 CL.1 Welding Neck Flanges
ASTM a350 lf2 steel npt thread blind Flanges
ASTM A350 LF2 CL1/CL2 Flanges
ASTM a350 lf2 blind pipe Flanges
300Lbs ASTM A182 Lf2 Blind Flanges With Threaded Hole
ASME B16.5 ASTM a350 lf2 steel 6 inch pipe Flanges
ASTM A350 LF1/ LF2 welding neck Flanges
ASTM A350 Lf2 Class 2 Blind Flange Properties
| 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 |
Chemical properties of A350 Lf2 Cl1 Flanges
| Grade | C% | Mn% | Si% | S% | P% | Cr% | Ni% |
| LF1 | 0.30 max | 0.6/1.35 | .15/.30 | .040 max | .035 max | 0.30 max | 0.40 max |
| Lf2 | 0.30 max | 0.6/1.35 | .15/.30 | .040 max | .035 max | 0.30 max | 0.40 max |
| LF3 | 0.20 max | 0.90 | .20/.35 | .040 max | .035 max | 0.30 max | 3.3/3.7 |
CS A350 Lf2 Flanges Mechanical properties
| 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) |
Buy Sa-350 Lf2 Reducing and Slip on Flange, Material Astm A350 Gr Lf2 At Factory Price
A350 Lf2 Forgings Cost
| ASTM A350 LF2 Flanges Price Per Piece | ASME SA350 LF2 Flanges Price |
| ASTM A350 LF2 CL1/CL2 Flanges | $200.00/ Piece |
| ASTM a350 lf2 steel flanges | $1.00-$500.00/ Piece |
| 150# RF SCH 80 ASME B16.5 ASTM A350 LF2 CL 1 LTCS WN Flanges | $5.00-$2,000.00/ Piece |
| a350 LF2 wn rtj/orifice flanges | $1,200.00/ Piece |
Difference Between ASTM A350 LF2 Flanges and ASTM A105 Flanges
A105 and A350-LF2 are standard specifications for forged cs piping components. A105 for ambient and higher-temperature service; A350-LF2 for low-temperature service with Charpy V-Notch impact energy testing.
| Spec | A105 | A350-LF2 |
| Tensile Strength Min, psi | 70,000 | 70,000-95,000 |
| Tensile Strength Min, N/mm² | 485 | 485-655 |
| Yield Strength Min, psi | 36,000 | 36,000 |
| Yield Strength Min, N/mm² | 250 | 250 |
| Elongation (%) | 22 | 22 |
| Reduction of Area (%) | 30 | 30 |
| Hardness, maximum | 187 | 15/12 ft-lbs |
| CVN at -50℉ | 20/16 joules |
Sa350 Lf2 Forged Flange Dimension Chart
| Pipe Size | 150 # | 300 # | 600 # | 900 # | 1500 # | 2500 # | ||||||||||||
| WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | |
| 1/2" | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | SEE 1500 # WEIGHTS | 5 | 4 | 4 | 7 | 7 | 7 | ||
| 3/4" | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | SEE 1500 # WEIGHTS | 6 | 5 | 6 | 8 | 8 | 8 | ||
| 1" | 3 | 2 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | SEE 1500 # WEIGHTS | 9 | 8 | 8 | 12 | 11 | 11 | ||
| 1 1/2" | 4 | 3 | 3 | 7 | 6 | 6 | 8 | 7 | 8 | SEE 1500 # WEIGHTS | 13 | 12 | 13 | 25 | 22 | 23 | ||
| 2" | 6 | 5 | 5 | 9 | 7 | 8 | 12 | 9 | 10 | SEE 1500 # WEIGHTS | 25 | 25 | 25 | 42 | 37 | 39 | ||
| 2 1/2" | 8 | 7 | 7 | 12 | 10 | 12 | 18 | 13 | 15 | SEE 1500 # WEIGHTS | 36 | 36 | 35 | 52 | 55 | 56 | ||
| 3" | 10 | 8 | 9 | 15 | 13 | 16 | 23 | 16 | 20 | 31 | 26 | 29 | 48 | 48 | 48 | 94 | 83 | 86 |
| 4" | 15 | 13 | 17 | 25 | 22 | 27 | 42 | 37 | 41 | 53 | 53 | 54 | 73 | 73 | 73 | 145 | 125 | 130 |
| 5" | 19 | 15 | 20 | 32 | 28 | 35 | 68 | 63 | 68 | 86 | 83 | 87 | 130 | 130 | 140 | 245 | 210 | 225 |
| 6" | 24 | 19 | 26 | 42 | 39 | 50 | 81 | 80 | 86 | 110 | 110 | 115 | 165 | 165 | 160 | 380 | 325 | 345 |
| 8" | 39 | 30 | 45 | 67 | 58 | 81 | 120 | 115 | 140 | 175 | 170 | 200 | 275 | 260 | 300 | 580 | 485 | 530 |
| 10" | 52 | 43 | 70 | 91 | 81 | 124 | 190 | 170 | 230 | 260 | 245 | 290 | 455 | 435 | 510 | 1075 | 930 | 1025 |
| 12" | 80 | 64 | 110 | 140 | 115 | 185 | 225 | 200 | 295 | 325 | 325 | 415 | 690 | 580 | 690 | 1525 | 1100 | 1300 |
| 14" | 110 | 90 | 140 | 180 | 165 | 250 | 280 | 230 | 355 | 400 | 400 | 520 | 940 | NA | 975 | NA | NA | NA |
| 16" | 140 | 98 | 180 | 250 | 190 | 295 | 390 | 330 | 495 | 495 | 425 | 600 | 1250 | NA | 1300 | NA | NA | NA |
| 18" | 150 | 130 | 220 | 320 | 250 | 395 | 475 | 400 | 630 | 680 | 600 | 850 | 1625 | NA | 1750 | NA | NA | NA |
| 20" | 180 | 165 | 285 | 400 | 315 | 505 | 590 | 510 | 810 | 830 | 730 | 1075 | 2050 | NA | 2225 | NA | NA | NA |
| 22" | 225 | 185 | 355 | 465 | 370 | 640 | 720 | 590 | 1000 | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 24" | 260 | 220 | 430 | 580 | 475 | 790 | 830 | 730 | 1250 | 1500 | 1400 | 2025 | 3325 | NA | 3625 | NA | NA | NA |
| Conversion Data | ||||
| • 1 inch = 25.44 mm | • 1 mm = 0.03937 inches | • 1 lb/ft^2 = 47.88 Pa | • 1 psi = 6.8948 Pa | • x°F = (5/9)(x-32)°C |
| • 1 pound = 0.45359 Kg | • 1 Kg = 2.20462 pounds | • 1 Pa = 0.020885 lb/ft^2 | • 1 Pa = 0.00014504 psi | • x°C = (9/5)x + 32°F |
Carbon Steel Sa350 Lf2 Class 1 Pipe Flange Rating
| Temperature (F°) | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
| -20 to 100 | 285 | 740 | 985 | 1480 | 2220 | 3705 | 6170 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5655 |
| 300 | 230 | 655 | 870 | 1310 | 1965 | 3270 | 5450 |
| 400 | 200 | 635 | 845 | 1265 | 1900 | 3170 | 5280 |
| 500 | 170 | 605 | 805 | 1205 | 1810 | 3015 | 5025 |
| 600 | 140 | 570 | 755 | 1135 | 1705 | 2840 | 4730 |
| 650 | 125 | 550 | 730 | 1100 | 1650 | 2745 | 4575 |
| 700 | 110 | 530 | 710 | 1060 | 1590 | 2655 | 4425 |
| 750 | 95 | 505 | 675 | 1015 | 1520 | 2535 | 4230 |
| 800 | 80 | 410 | 550 | 825 | 1235 | 2055 | 3430 |
| 850 | 65 | 320 | 425 | 640 | 955 | 1595 | 2655 |
| 900 | 50 | 230 | 305 | 460 | 690 | 1150 | 1915 |
| 950 | 35 | 135 | 185 | 275 | 410 | 685 | 1145 |
| 1000 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
Check Weight Chart of ASME SA 350 Gr Lf2 Cl1 Killed Carbon Steel Flanges
Weight of A350 Gr Lf2 Cl1 Weld neck Flange
| Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
| AS 2129 Flanges | Table C | 95 | 67 | 4 | 13 | 14 |
| Table D | 95 | 67 | 4 | 13 | 14 | |
| Table E | 95 | 67 | 4 | 13 | 14 | |
| Table F | 95 | 67 | 4 | 13 | 14 | |
| Table H | 114 | 83 | 4 | 16 | 17 | |
| Table J | 114 | 83 | 4 | 16 | 17 | |
| ANSI B16.5 | ANSI 150 | 89 | 60 | 4 | 13 | 16 |
| ANSI 300 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 600 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 900 | 121 | 83 | 4 | 19 | 22 | |
| ANSI 1500 | 121 | 83 | 4 | 19 | 22 | |
| ISO 7005 (DIN) Flanges | PN6 | 80 | 55 | 4 | M10 | 11 |
| PN10 | 95 | 65 | 4 | M12 | 14 | |
| PN16 | 95 | 65 | 4 | M12 | 14 | |
| PN20 | 90 | 60.5 | 4 | M14 | 16 | |
| PN25 | 95 | 65 | 4 | M12 | 14 | |
| PN40 | 95 | 65 | 4 | M12 | 14 |
ASTM A350 LF2 LTCS Pipe Flanges Forging
LF1 and LF2 grades forged at around 2250-2300ºF(1230-1260ºC) and not forged below 1650-1700ºF(900-925ºC.) LF3 grade would be forged at around 2150-2200ºF (1175-1205ºC) and not forged below 1700ºF (925ºC.)
Physical Properties of A350 Gr Lf2 Class 1 Slip On Flange
| Physical Properties | Cast Carbon Steel |
Forged |
|---|---|---|
| 0.30/0.35 C Maximum | A216-WCB | A105 |
| 0.25 C Maximum | A216-WCC | |
| LOW TEMPERATURE STEEL | ||
| 0.25/0.30 C Maximum | A352-LCB | A350-LF2 |
| 0.5 Mo | A352-LC1 | |
| 2.5 Ni | A352-LC2 | |
| 3.5 Ni | A352-LC3 | |
| C-MN-Si (0.25 Maximum) | A352-LCC | A350-LF3 |
| C-MN-Si-V (1.15~1.50 Mn) | A350-LF6 | |
350 lf2 class 1/ 2 Blind Flange Application
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Chemical Equipment
- Pulp and Paper Industry
- Sea Water Equipment
- Heat Exchangers
- Condensers
Supplier Of ASTM A350 LF2 Flanges Following Manufacturers in UAE
A350 Lf2 Material Supplier in Dubai
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Stocking Distributor Of CS A350 Lf2 Flanges in UAE