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.
Table Of Content:
A350 Lf2 Flanges Price
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.
A350 Lf2 Flange Dimensions
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 |
Some Of The Major Locations We Have Supplied ASTM A350 LF2 Flanges:
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
ASTM A350 Gr.lf2 Chemical Composition
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 |
ASTM A350 Lf2 Material Specification
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 |
A350 Lf2 Temperature Range
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 |
A350 Lf2 Material Hardness
Hardness, maximum | |
---|---|
HBW | 197 |
Carbon Steel A350 Lf2 Flanges Weight Chart
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 |
A350 Lf2 Welding Neck Flange Dimensions
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 |
Blind Flange A350 LF2 Dimensions
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 |
Schedule 40 Flange A350 Gr.lf2 Size Chart
(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 |
Pipe Flange A350 Lf2 Tensile Properties
LF2 CL1 Tensile Strength minimum | |
---|---|
MPa | 485–655 |
ksi | 70–95 |
Face Types Of Flange Material A350 Lf2
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 |
ASTM A350 Gr. Lf2 Cl.1 Measurement
ASTM A350 Grade Lf2 Class 1 Specific Heat
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | 0.107 |
---|
LTCS Flange Material Bolting Length
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 |
A350 Flange Gasket Size Chart
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 Of 6 Inches Low Temperature Carbon Steel Flanges
Melting Point (Deg F) | 2740 |
---|
Lf2 Flanges Yield Properties
LF2 CL1 Yield Strength minimum | |
---|---|
MPa | 250 |
ksi | 36 |
SA 350 Gr Lf2 Cl1 Marking
ASTM A350 LF2 Flanges Marking includes ANSI Or ASME/ ASA Code
SA 350 Gr Lf2 Slip On Flanges Dimensions
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 |
SCH 80 ASTM A350 Lf2 Cl1 Flanges Mechanical Properties
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 |
Packaging Of A350 Lf2 Cl1 Pipe Flange
Application Of A350 Lf2 Cl1 Material For Piping
Density Of A350 Lf2 Material
Density (lb / cu. in.) | 0.284 |
---|
Torque Specs Of ASTM A350 Lf2 Flanges
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 |
ASME A350 Lf2 Flange Elongation
LF2 CL1 Elongation, minimum | |
---|---|
% | 22 |
Class 150 WN Flange A350 LF2 Hardness
Hardness, maximum | |
---|---|
HBW | 197 |
ANSI/ ASME B16.5 ASTM A350 Lf2 Class 2 Charpy V-Notch Impact Properties
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 |
LF2 CL1 Standard Impact Test Temperature
Standard Impact Test Temperature | ||
---|---|---|
Name Of Grade And Class | Test Temperature | |
°F | °C | |
LF2 CL1 Flange | -50 | -46 |
LF2 CL2 Flange | -0 | -18 |
ASTM A350 LF2 Equivalent Material
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] |
Types Of ASTM A350 LF2 Flanges
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
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