Flanges are used to connect tubes and pipes of various diameters and allows free flow of fluids and gases through them without any leakage. One such type of flange is ASTM A350 LF2 Flanges. They are forged between the temperature range of 900 degrees C to 1200 degrees C. As per ASTM A350 LF2 Blind Flanges manufacturer In India the soak time of these flanges needs to be minimum. Post forging these Carbon Steel A350 LF2 Weld Neck Flange need to be cooled in still air. It offers moderate strength and impact toughness. They are widely used in applications that require cold temperature services and resistance to corrosion is not important.
ASTM A350 LF2 Slip On Flanges does not have a hub or a boring center and is readily weldable. It has a face thickness of a flange and a similar bolting pattern. LTCS Flanges are a standard specification for carbon steel or low alloy steel. Low Temperature Carbon Steel Flanges are usually supplied in normalized, quenched, and tempered, or normalized and tempered conditions. LTCS A350 LF2 Socket Weld Flanges offer good machinability and are said to be durable. They are dependent on operations such as sawing, milling, broaching, and turning.
ASME SA350 Lf2 Plate Flanges have aluminum in trace amount in fine grain size. The toughness difference in A350 LF2 Carbon Threaded Flanges can be explained by the cooling rate post normalizing with fast air cooling showing high toughness and still air cooling showing low toughness. Low Temperature Carbon Steel (LTCS) Lap Joint Flanges with regular strength quench and temper operations are not required to obtain good low temperature toughness. Whereas, forced air cooling of ASTM A350 LF2 Lap Joint Flange after normalizing is the minimum cooling rate.
Type Of Flanges | Size | SCH | Class | Material | Price In INR (India) Per Piece |
---|---|---|---|---|---|
Blind Flange | 3/4" | Sch 40 | 150 | A350 Lf2 | 150.00 |
Blind Flange | 3/4" | Sch 40 | 150 | - | 223.00 |
Blind Flange | 1" | Sch 40 | 150 | A350 Lf2 | 346.00 |
Blind Flange | 1-1/2" | Sch 40 | 150 | - | 403.00 |
Blind Flange | 2" | Sch 40 | 150 | A350 Lf2 | 500.00 |
Blind Flange | 3" | Sch 40 | 150 | - | 578.00 |
Blind Flange | 4" | Sch 40 | 150 | A350 Lf2 | 789.00 |
Socket Weld Flange | 3/4" | SCH XS | 300 | ASTM A350 Lf2 | 150.00 |
Socket Weld Flange | 1” | SCH XS | 300 | - | 200.00 |
Socket Weld Flange | 1-1/2" | SCH XS | 300 | A350 Lf2 | 368.00 |
Socket Weld Flange | 2" | SCH XS | 300 | - | 537.00 |
Socket Weld Flange | 3" | SCH XS | 300 | A350 Lf2 | 646.00 |
Socket Weld Flange | 4" | SCH XS | 300 | - | 890.00 |
Slip On Flange | 1 /1/2" | 80 | 150 | ASTM A350 Lf2 | 300.00 |
Slip On Flanges | 2" | 80 | 150 | - | 479.00 |
Slip On Flanges | 3" | 80 | 150 | A350 Lf2 | 590.00 |
Slip On Flanges | 4" | 80 | 150 | - | 864.00 |
Slip On Flanges | 6" | 80 | 150 | ASTM A350 Lf2 | 1096.00 |
Weld Neck Flange | 2" | SCH STD | 150 | A350 Lf2 | 363.00 |
Weld Neck Flange | 3" | SCH STD | 150 | - | 485.00 |
Weld Neck Flange | 4" | SCH STD | 150 | A350 Lf2 | 689.00 |
Weld Neck Flange | 6" | SCH STD | 150 | - | 863.00 |
Weld Neck Flange | 8" | SCH STD | 150 | A350 Lf2 | 1126.00 |
Weld Neck Flange | 10" | SCH STD | 150 | A350 Lf2 | 1568.00 |
ISO Approved ASTM A350 LF2 Flanges Manufacturer In India. For final A350 LF2 Carbon Steel Flange Price List Please Call on +91-9987870874 or drop an Email to info@fastwell.in.
NPS | (O.D.) For Outside Diameter | Minimum (Wall Thickness) (T) | Diameter Of Raised Face (RF) (R) | Number of Bolts Holes | Dia. of Holes | B.C. For (Bolt Circle) | SORF Bore I.D. (SB) | WNRF Bore I.D. (WB) | Diameter Of Hub Base (H.B.) | Diameter of Hub Top (H.T.) | SORF Length (S.L.) | WNRF Length (W.L.) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1⁄2 | 3.50 | 0.38 | 1.38 | 4 | 0.62 | 2.38 | 0.88 | 0.62 | 1.19 | 0.84 | 0.56 | 1.81 |
3⁄4 | 3.88 | 0.44 | 1.69 | 4 | 0.62 | 2.75 | 1.09 | 0.82 | 1.50 | 1.05 | 0.56 | 2.00 |
1 | 4.25 | 0.50 | 2.00 | 4 | 0.62 | 3.12 | 1.36 | 1.05 | 1.94 | 1.32 | 0.62 | 2.12 |
11⁄4 | 4.62 | 0.56 | 2.50 | 4 | 0.62 | 3.50 | 1.70 | 1.38 | 2.31 | 1.66 | 0.75 | 2.19 |
11⁄2 | 5.00 | 0.62 | 2.88 | 4 | 0.62 | 3.88 | 1.95 | 1.61 | 2.56 | 1.90 | 0.81 | 2.38 |
2 | 6.00 | 0.69 | 3.62 | 4 | 0.75 | 4.75 | 2.44 | 2.07 | 3.06 | 2.38 | 0.94 | 2.44 |
21⁄2 | 7.00 | 0.81 | 4.12 | 4 | 0.75 | 5.50 | 2.94 | 2.47 | 3.56 | 2.88 | 1.06 | 2.69 |
3 | 7.50 | 0.88 | 5.00 | 4 | 0.75 | 6.00 | 3.57 | 3.07 | 4.25 | 3.50 | 1.12 | 2.69 |
31⁄2 | 8.50 | 0.88 | 5.50 | 8 | 0.75 | 7.00 | 4.07 | 3.55 | 4.81 | 4.00 | 1.19 | 2.75 |
4 | 9.00 | 0.88 | 6.19 | 8 | 0.75 | 7.50 | 4.57 | 4.03 | 5.31 | 4.50 | 1.25 | 2.94 |
5 | 10.00 | 0.88 | 7.31 | 8 | 0.88 | 8.50 | 5.66 | 5.05 | 6.44 | 5.56 | 1.38 | 3.44 |
6 | 11.00 | 0.94 | 8.50 | 8 | 0.88 | 9.50 | 6.72 | 6.07 | 7.56 | 6.63 | 1.50 | 3.44 |
8 | 13.50 | 1.06 | 10.62 | 8 | 0.88 | 11.75 | 8.72 | 7.98 | 9.69 | 8.63 | 1.69 | 3.94 |
10 | 16.00 | 1.12 | 12.75 | 12 | 1.00 | 14.25 | 10.88 | 10.02 | 12.00 | 10.75 | 1.88 | 3.94 |
12 | 19.00 | 1.19 | 15.00 | 12 | 1.00 | 17.00 | 12.88 | 12.00 | 14.38 | 12.75 | 2.12 | 4.44 |
14 | 21.00 | 1.31 | 16.25 | 12 | 1.12 | 18.75 | 14.14 | 13.25 | 15.75 | 14.00 | 2.19 | 4.94 |
16 | 23.50 | 1.38 | 18.50 | 16 | 1.12 | 21.25 | 16.16 | 15.25 | 18.00 | 16.00 | 2.44 | 4.94 |
18 | 25.00 | 1.50 | 21.00 | 16 | 1.25 | 22.75 | 18.18 | 17.25 | 19.88 | 18.00 | 2.62 | 5.44 |
20 | 27.50 | 1.62 | 23.00 | 20 | 1.25 | 25.00 | 20.20 | 19.25 | 22.00 | 20.00 | 2.81 | 5.62 |
22 | 29.50 | 1.75 | 25.25 | 20 | 1.38 | 27.25 | 22.22 | 21.25 | 24.25 | 22.00 | 3.07 | 5.82 |
24 | 32.00 | 1.81 | 27.25 | 20 | 1.38 | 29.50 | 24.25 | 23.25 | 26.12 | 24.00 | 3.19 | 5.94 |
ASTM A350 Lf2 Flanges
Europe, United Kingdom -UK, Malaysia, UAE
A350 Lf2 Welding Neck Flange
Dammam -KSA, Indonesia, Philippines
Blind Flange A350 Lf2
Thailand, France, Qatar, Europe
LTCS Flanges
Bangladesh, USA, Germany, Finland
ASTM A350 Lf2 Slip On Flanges
Saudi Arabia (KSA), South Africa, Brazil, Kuwait
Low Temperature Carbon Steel Flanges
Australia, Egypt, UK, Nigeria, Turkey, Belgium
Carbon Steel A350 Lf2 Flanges
Mexico, Spain, Hong Kong, Poland, Oman, Japan
ASME SA350 Lf2 Class 2 Flange
Canada, Italy, Singapore, Iran, Chile, China
Element | Composition, w.t % Grades |
S | ≤0.040 |
Si | 0.15-0.30 |
Ni | ≤0.40 |
Cr | ≤0.30 |
Mo | ≤0.12 |
Cb | ≤0.02 |
V | ≤0.08 |
N | ... |
C | ≤0.30 |
Mn | 0.60-1.35 |
P | ≤0.035 |
Cu | ≤0.40 |
Specification Checklist | ASTM A350 LF2 Flanges |
---|---|
Hardness (HBW) | 197 |
Size Details | NPS 1⁄₂" To NPS 48” Inch |
A350 Lf2 Chemical Composition | S (≤0.040), Mn (0.60-1.35), P (≤0.035), Cr (≤0.30), Si (0.15-0.30), Ni (≤0.40), C (≤0.30) etc. |
Face Type | (RF)/ (RTJ)/ (FF) |
Temperature Range | 150LB/ 300LB/ 400LB/ 600LB/ 900LB/ 1500LB To 2500LB. |
PDO Approved Manufacturer Types Of LF2 Flanges: | Blind/ Slip On/ Weld Neck/ Lap Joint/ Threaded/ Socket Weld/ Reducing |
Thickness | SCH 180, SCH 80, SCH 40, SCH 160, SCH 120, SCH 5S, SCH 10, XXS etc. |
Standard Dimensions Of | API/ EN 1092-2/ DIN 2561/ DIN 2501/ DIN 2527/ EN 1092-1/ P235GH |
Melting Point | 360 |
Temperature In °F | 150# According To ASME B16.5 | 300# According To ASME B16.5 | 400# According To ASME B16.5 | 600# According To ASME B16.5 | 900# According To ASME B16.5 | 1500# According To ASME B16.5 | 2500# According To ASME B16.5 |
-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
Hardness, maximum | |
---|---|
HBW | 197 |
Nominal Pipe Size For (NPS) | Slip On Flanges (SORF) | Threaded Flanges (NPT) | Socket Weld Flanges (SWRF) | Lap Joint Flanges (Loose) | Blind Flanges (BLRF) | Weld Neck Flanges (WNRF) |
---|---|---|---|---|---|---|
½ | 1 | 1 | 2 | 1 | 2 | 2 |
¾ | 2 | 2 | 2 | 2 | 2 | 2 |
1 | 2 | 2 | 2 | 2 | 2 | 3 |
1¼ | 3 | 3 | 3 | 3 | 3 | 3 |
1½ | 3 | 3 | 3 | 3 | 4 | 4 |
2 | 5 | 5 | 5 | 5 | 5 | 6 |
2½ | 8 | 8 | 8 | 8 | 7 | 10 |
3 | 9 | 9 | 9 | 9 | 9 | 11.5 |
3½ | 11 | 12 | 11 | 11 | 13 | 12 |
4 | 13 | 13 | 13 | 13 | 17 | 16.5 |
5 | 15 | 15 | 15 | 15 | 20 | 21 |
6 | 19 | 19 | 19 | 19 | 27 | 26 |
8 | 30 | 30 | 30 | 30 | 47 | 42 |
10 | 43 | 43 | 43 | 43 | 70 | 54 |
12 | 64 | 64 | 64 | 64 | 123 | 88 |
14 | 90 | 90 | 90 | 105 | 140 | 114 |
16 | 106 | 98 | 98 | 140 | 180 | 140 |
18 | 130 | 130 | 130 | 160 | 220 | 165 |
20 | 165 | 165 | 165 | 195 | 285 | 197 |
22 | 185 | 185 | 185 | 245 | 355 | 225 |
24 | 220 | 220 | 220 | 275 | 430 | 268 |
Size (NPS) in Inches | NPS (Normal Pipe Size) Size in Millimeter | Outer Diameter For (O.D.) | Thickness Of Weld Neck Flange | Hub Outer Diameter | Weld Neck Outer Diameter | Length Of ASME B16.5 Welding Neck | Daimeter Of WN Bore | Diameter Of RF (Raised Face) | Raised Face (RF) Height | PCD | Face Of Weld |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 90 | 9.6 | 30 | 21.3 | 46 | - | 34.9 | 2 | 60.3 | 1.6 |
3/4 | 20 | 100 | 11.2 | 38 | 26.7 | 51 | 42.9 | 2 | 69.9 | 1.6 | |
1 | 25 | 110 | 12.7 | 49 | 33.4 | 54 | 50.8 | 2 | 79.4 | 1.6 | |
1 1/4 | 32 | 115 | 14.3 | 59 | 42.2 | 56 | 63.5 | 2 | 88.9 | 1.6 | |
1 1/2 | 40 | 125 | 15.9 | 65 | 48.3 | 60 | 73 | 2 | 98.4 | 1.6 | |
2 | 50 | 150 | 17.5 | 78 | 60.3 | 62 | 92.1 | 2 | 120.7 | 1.6 | |
2 1/2 | 65 | 180 | 20.7 | 90 | 73 | 68 | 104.8 | 2 | 139.7 | 1.6 | |
3 | 80 | 190 | 22.3 | 108 | 88.9 | 68 | 127 | 2 | 152.4 | 1.6 | |
3 1/2 | 90 | 215 | 22.3 | 122 | 101.6 | 70 | 139.7 | 2 | 177.8 | 1.6 | |
4 | 100 | 230 | 22.3 | 135 | 114.3 | 75 | 157.2 | 2 | 190.5 | 1.6 | |
5 | 125 | 255 | 22.3 | 164 | 141.3 | 87 | 185.7 | 2 | 215.9 | 1.6 | |
6 | 150 | 280 | 23.9 | 192 | 168.3 | 87 | 215.9 | 2 | 241.3 | 1.6 | |
8 | 200 | 345 | 27 | 246 | 219.1 | 100 | 269.9 | 2 | 298.5 | 1.6 | |
10 | 250 | 405 | 28.6 | 305 | 273 | 100 | 323.8 | 2 | 362 | 1.6 | |
12 | 300 | 485 | 30.2 | 365 | 323.8 | 113 | 381 | 2 | 431.8 | 1.6 | |
14 | 350 | 535 | 33.4 | 400 | 355.6 | 125 | 412.8 | 2 | 476.3 | 1.6 | |
16 | 400 | 595 | 35 | 457 | 406.4 | 125 | 469.9 | 2 | 539.8 | 1.6 | |
18 | 450 | 635 | 38.1 | 505 | 457.2 | 138 | 533.4 | 2 | 577.9 | 1.6 | |
20 | 500 | 700 | 41.3 | 559 | 508 | 143 | 584.2 | 2 | 635 | 1.6 | |
24 | 600 | 815 | 46.1 | 663 | 610 | 151 | 692.2 | 2 | 749.3 | 1.6 |
NPS For (Normal Pipe Size) | Outside Daimeter Of (O.D.) (A) | Wall Thickness Of (B) | Daimeter Of Raised Face (C) | (D) (B.C.D.) | # Flanges Bolts Holes | Daimeter Of Bolt Holes | Approx. Weight In KG (Kilogram) |
---|---|---|---|---|---|---|---|
1/2" | 3-1/2 | 7/16 | 1-3/8 | 2-3/8 | 4 | 5/8 | 2 |
3/4" | 3-7/8 | 1/2 | 1-11/16 | 2-3/4 | 4 | 5/8 | 2 |
1" | 4-1/4 | 9/16 | 2 | 3-1/8 | 4 | 5/8 | 2 |
1-1/4" | 4-5/8 | 5/8 | 2-1/2 | 3-1/2 | 4 | 5/8 | 3 |
1-1/2" | 5 | 11/16 | 2-7/8 | 3-7/8 | 4 | 5/8 | 3 |
2" | 6 | 3/4 | 3-5/8 | 4-3/4 | 4 | 3/4 | 4 |
2-1/2" | 7 | 7/8 | 4-1/8 | 5-1/2 | 4 | 3/4 | 7 |
3" | 7-1/2 | 15/16 | 5 | 6 | 4 | 3/4 | 9 |
3-1/2" | 8-1/2 | 15/16 | 5-1/2 | 7 | 8 | 3/4 | 13 |
4" | 9 | 15/16 | 6-3/16 | 7-1/2 | 8 | 3/4 | 17 |
5" | 10 | 15/16 | 7-5/16 | 8-1/2 | 8 | 7/8 | 20 |
6" | 11 | 1 | 8-1/2 | 9-1/2 | 8 | 7/8 | 27 |
8" | 13-1/2 | 1-1/8 | 10-5/8 | 11-3/4 | 8 | 7/8 | 47 |
10" | 16 | 1-3/16 | 12-3/4 | 14-1/4 | 12 | 1 | 67 |
12" | 19 | 1-1/4 | 15 | 17 | 12 | 1 | 123 |
14" | 21 | 1-3/8 | 16-1/4 | 18-3/4 | 12 | 1-1/8 | 139 |
16" | 23-1/2 | 1-7/16 | 18-1/2 | 21-1/4 | 16 | 1-1/8 | 187 |
18" | 25 | 1-9/16 | 21 | 22-3/4 | 16 | 1-1/4 | 217 |
20" | 27-1/2 | 1-11/16 | 23 | 25 | 20 | 1-1/4 | 283 |
24" | 32 | 1-7/8 | 27-1/4 | 29-1/2 | 20 | 1-3/8 | 415 |
(NPS) For Nominal Pipe Size In (inches) | As Per ASME B16.5 Class 150 | ||||
---|---|---|---|---|---|
Flange Diameter In (inch) | Bolts Number | Bolt Diameter In (inch) | Bolt Holes (B.H.) Diameter In (inch) | Bolt Circle (B.C.) In(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 |
LF2 CL1 Tensile Strength minimum | |
---|---|
MPa | 485–655 |
ksi | 70–95 |
Types of Flanges Faces | DIN And EN 1092-1 |
---|---|
(RF) For Raised Fac | Form B2 |
DIN2512 Tongue Flanges | Form C |
DIN 2513 Female Flanges | Form F |
(RF) For Raised Face | Form B1 |
(RF) For Raised Face | Form B1 |
Without (RF) Raised Face | Form A |
DIN 2512 Groove Flanges | Form D |
DIN 2513 Male Flanges | Form E |
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | 0.107 |
---|
Size in (Inches) | Size in (Millimeter) | Number of Bolts | Bolt (UNC) Size | RF (Raised Face) Stud Length | Stud (ISO) Size | Machine Flange Bolt Length |
---|---|---|---|---|---|---|
1/2 | 15 | 4 | 1/2 | 55 | M14 | 50 |
3/4 | 20 | 4 | 1/2 | 65 | M14 | 50 |
1 | 25 | 4 | 1/2 | 65 | M14 | 55 |
1 1/4 | 32 | 4 | 1/2 | 70 | M14 | 55 |
1 1/2 | 40 | 4 | 1/2 | 70 | M14 | 65 |
2 | 50 | 4 | 5/8 | 85 | M16 | 70 |
2 1/2 | 65 | 4 | 5/8 | 90 | M16 | 75 |
3 | 80 | 4 | 5/8 | 90 | M16 | 75 |
3 1/2 | 90 | 8 | 5/8 | 90 | M16 | 75 |
4 | 100 | 8 | 5/8 | 90 | M16 | 75 |
5 | 125 | 8 | 3/4 | 95 | M20 | 85 |
6 | 150 | 8 | 3/4 | 100 | M20 | 85 |
8 | 200 | 8 | 3/4 | 110 | M20 | 90 |
10 | 250 | 12 | 7/8 | 115 | M24 | 100 |
12 | 300 | 12 | 7/8 | 120 | M24 | 100 |
14 | 350 | 12 | 1 | 135 | M27 | 115 |
16 | 400 | 16 | 1 | 135 | M27 | 115 |
18 | 450 | 16 | 1 1/8 | 145 | M30 | 125 |
20 | 500 | 20 | 1 1/8 | 160 | M30 | 140 |
24 | 600 | 20 | 1 1/4 | 170 | M33 | 150 |
NPS For (Normal Pipe Size) | Gasket (I.D.) Inside Daimeter | Gasket (O.D.) Outside Daimeter | ||||
---|---|---|---|---|---|---|
#150LB | #300LB | #400LB | #600LB | #900LB | ||
1/2" | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
3/4" | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
1" | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
1 1/4" | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
1 1/2" | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
2" | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
2 1/2" | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
3" | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
4" | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
5" | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
6" | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
8" | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
10" | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
12" | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
Melting Point (Deg F) | 2740 |
---|
LF2 CL1 Yield Strength minimum | |
---|---|
MPa | 250 |
ksi | 36 |
ASTM A350 LF2 Flanges Marking includes ANSI Or ASME/ ASA Code
Normal Pipe Size For (NPS) | (Inside Diameter) For I.D. | O.D. For (Outside Daimeter) | B.C. For (Circle Bolt) | Raised (R) | RF For (Raised Face) | H For (Hight) | Raised Face Wall Thickness | Thickness1 | Flat Face (FF) (Thickness2) | Bolts Holes For (B.C.) | Number Of Bolt Hole (B.H.) |
---|---|---|---|---|---|---|---|---|---|---|---|
1/2 | 0.88 | 3.50 | 2.38 | 1.38 | .063 | 1.19 | .62 | .38 | .56 | .62 | 4 |
3/4 | 1.09 | 3.88 | 2.75 | 1.69 | .063 | 1.50 | .62 | .44 | .56 | .62 | 4 |
1 | 1.36 | 4.25 | 3.12 | 2.00 | .063 | 1.94 | .69 | .50 | .63 | .62 | 4 |
1-1/4 | 1.70 | 4.62 | 3.50 | 2.50 | .063 | 2.31 | .81 | .56 | .75 | .62 | 4 |
1-1/2 | 1.97 | 5.00 | 3.88 | 2.88 | .063 | 2.56 | .88 | .62 | .82 | .62 | 4 |
2 | 2.44 | 6.00 | 4.75 | 3.62 | .063 | 3.06 | 1.00 | .69 | .94 | .75 | 4 |
2-1/2 | 2.94 | 7.00 | 5.50 | 4.12 | .063 | 3.56 | 1.12 | .82 | 1.06 | .75 | 4 |
3 | 3.57 | 7.50 | 6.00 | 5.00 | .063 | 4.25 | 1.19 | .88 | 1.13 | .75 | 4 |
3-1/2 | 4.07 | 8.50 | 7.00 | 5.50 | .063 | 4.81 | 1.25 | .88 | 1.19 | .75 | 8 |
4 | 4.57 | 9.00 | 7.50 | 6.19 | .063 | 5.31 | 1.31 | .88 | 1.25 | .75 | 8 |
5 | 5.66 | 10.00 | 8.50 | 7.31 | .063 | 6.44 | 1.44 | .88 | 1.38 | .88 | 8 |
6 | 6.72 | 11.00 | 9.50 | 8.50 | .063 | 7.56 | 1.56 | .94 | 1.50 | .88 | 8 |
8 | 8.72 | 13.50 | 11.75 | 10.62 | .063 | 9.69 | 1.75 | 1.06 | 1.69 | .88 | 8 |
10 | 10.88 | 16.00 | 14.25 | 12.75 | .063 | 12.00 | 1.94 | 1.13 | 1.88 | 1.00 | 12 |
12 | 12.88 | 19.00 | 17.00 | 15.00 | .063 | 14.38 | 2.19 | 1.19 | 2.13 | 1.00 | 12 |
14 | 14.14 | 21.00 | 18.75 | 16.25 | .063 | 15.75 | 2.25 | 1.32 | 2.19 | 1.12 | 12 |
16 | 16.16 | 23.50 | 21.25 | 18.50 | .063 | 18.00 | 2.50 | 1.38 | 2.44 | 1.12 | 16 |
18 | 18.18 | 25.00 | 22.75 | 21.00 | .063 | 19.88 | 2.69 | 1.50 | 2.63 | 1.25 | 16 |
20 | 20.20 | 27.50 | 25.00 | 23.00 | .063 | 22.00 | 2.88 | 1.63 | 2.83 | 1.25 | 20 |
22 | 22.22 | 29.50 | 27.25 | 25.25 | .063 | 24.25 | 3.13 | 1.75 | 3.07 | 1.38 | 20 |
24 | 24.25 | 32.00 | 29.50 | 27.25 | .063 | 26.12 | 3.25 | 1.82 | 3.19 | 1.38 | 20 |
Grade/Class | Tensile Strength | Yield Strength, min. | Elongation, min. | Hardness, max. | ||
ksi | MPa | ksi | MPa | % | HBW | |
LF2 CL1 Flanges | 70–95 | 485–655 | 36 | 250 | 22 | 197 |
LF2 CL2 Flanges | 70–95 | 485–655 | 36 | 250 | 22 | 197 |
Density (lb / cu. in.) | 0.284 |
---|
Flanges Size in (Inches) | Flanges Size in (Millimeter) | Radial Projection (Maximum) | |
---|---|---|---|
No Deeper Than the Bottom In MM | Deeper Than the Bottom In MM | ||
1/2 | 15 | 3.0 | 1.5 |
3/4 | 20 | 3.0 | 1.5 |
1 | 25 | 3.0 | 1.5 |
1 1/4 | 32 | 3.0 | 1.5 |
1 1/2 | 40 | 3.0 | 1.5 |
2 | 50 | 3.0 | 1.5 |
2 1/2 | 65 | 3.0 | 1.5 |
3 | 80 | 4.5 | 1.5 |
3 1/2 | 90 | 6.0 | 3.0 |
4 | 100 | 6.0 | 3.0 |
5 | 125 | 6.0 | 3.0 |
6 | 150 | 6.0 | 3.0 |
8 | 200 | 8.0 | 4.5 |
10 | 250 | 8.0 | 4.5 |
12 | 300 | 8.0 | 4.5 |
14 | 350 | 8.0 | 4.5 |
16 | 400 | 10.0 | 4.5 |
18 | 450 | 12.0 | 6.0 |
20 | 500 | 12.0 | 6.0 |
24 | 600 | 12.0 | 6.0 |
LF2 CL1 Elongation, minimum | |
---|---|
% | 22 |
Hardness, maximum | |
---|---|
HBW | 197 |
Charpy V-Notch Energy Requirements for 10x10 mm Specimens | ||||
---|---|---|---|---|
Grade/ Class | *A | *B | ||
ft*lbf | J | ft*lbf | J | |
LF2 CL1 Flanges | 15 | 20 | 12 | 16 |
LF3 CL1 Flanges | 15 | 20 | 12 | 16 |
Standard Impact Test Temperature | ||
---|---|---|
Name Of Grade And Class | Test Temperature | |
°F | °C | |
LF2 CL1 Flange | -50 | -46 |
LF2 CL2 Flange | -0 | -18 |
Standard Size | 3/4" Size | 2/3" Size | 1/2" Size | 1/3" Size | 1/4" Size |
10x10 millimeter | 10x7.5 millimeter | 10x6.6 millimeter | 10x5 millimeter | 10x3.3 millimeter | 10x2.5 millimeter |
10 [14] | 8 [11] | 7 [10] | 5 [7] | 3 [5] | 3 [5] |
12 [16] | 10 [14] | 9 [12] | 7 [10] | 4 [6] | 3 [5] |
13 [18] | 10 [14] | 9 [12] | 7 [10] | 5 [7] | 4 [6] |
15 [20] | 12 [16] | 10 [14] | 8 [11] | 5 [7] | 4 [6] |
SA350 LF2 Blind Flanges
ASTM A350 Gr Lf2 Class 1 Slip On Flanges
A350 Grade LF2 Weld Neck Flanges
Carbon Steel A350 LF2 Threaded Flanges
Low Temperature Carbon Steel Raised Face Flanges
LTCS Ring Type Joint (RTJ) Flanges
CS A350 LF2 Spectacle Blind Flange
Grade Lf2 CL 1 Orifice Flanges
LTCS A350 LF2 Puddle Flange
A350 LF2 CL1 Socket Weld Flanges
SA350 LF2 CL1 Plate Flanges
A350 LF2 Carbon Steel Lap Joint Flanges
+91-9987870874
info@fastwell.in
Shop No. 17/B1, Ground Floor Abbas Bldg. Wing A, Jalbhai Street, Near Cama Baug Khetwadi, Grant Road (E) Mumbai – 400004. India