ASTM A350 LF6 Flanges

ASTM A350 LF6  is a low-temperature carbon steel commonly used in the manufacturing of flanges. These flanges play a crucial role in piping systems, connecting pipes and providing essential access points for inspection, maintenance, and modifications. The choice of ASTM A350 LF6 for these components is due to its excellent mechanical properties and suitability for applications in low-temperature environments.

Carbon Steel A350 LF6 Flanges, ASTM A350 LF6 CS Flange, ASTM A350 LF6 Flanges, LTCS A350 LF6 Flanges, Carbon Steel A350 LF6 Slip On Flanges, ASME SA350 LF6 Weld Neck Flanges, ASTM A350 LF6 Flanges Supplier, ASTM A350 LF6 Flange Manufacturer in Mumbai, India.

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Key characteristics of ASTM A350 LF6 carbon steel flanges include:
Low-Temperature Service: ASTM A350 LF6 is specifically designed to perform well in low-temperature applications, making it an ideal choice for industries such as petrochemical, natural gas, and refrigeration, where exposure to sub-zero temperatures is common.
High Impact Strength: LF6 carbon steel maintains good impact resistance, even at low temperatures. This property is crucial to ensure the integrity of flange connections when subjected to sudden shocks or vibrations.
Corrosion Resistance: While not as corrosion-resistant as stainless steel, ASTM A350 LF6 exhibits a reasonable level of resistance to corrosion, making it suitable for various environments. Proper coatings or treatments can enhance its corrosion resistance.
Weldability: LF6 is weldable, allowing for ease of installation and repair. Welded flanges provide a strong and durable connection between pipes.
Reliable Strength: These flanges have a specified minimum yield strength and tensile strength, ensuring the structural integrity of the piping system. LF6 flanges are available in various pressure classes to suit different application requirements.
Compliance with ASTM Standards: ASTM A350 LF6 flanges adhere to stringent quality and manufacturing standards, which helps guarantee their performance and reliability in demanding conditions.

Specification For Low Temperature Carbon Steel A350 LF6 Flanges

StandardsASTM A350 / A350M
DimensionsANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size1/2″ (15 NB) to 48″ (1200NB)
Class150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
StandardANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Flange Face TypesFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
LTCS A350 LF6 Flanges
STOCKIST & SUPPILERS FOR LOW TEMPERATURE CARBON STEEL A350 LF6 Flanges IN INDIA, CUSTOM SIZES ASTM A350 LF6 SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Various Types of Low Temperature Steel A350 LF6 Flanges

Carbon Steel Slip on Flanges

ASTM A350 LF6 Slip On Flanges

  • ASTM A350 Low Temperature Carbon Steel LF6 SORF Flange
  • Low Temperature Steel A350 LF6 Slip On Flanges
  • ASTM A350 LF6 Carbon Steel Slip On Flanges
  • Carbon Steel A350 Gr LF6 SOFF Flanges
  • A350 LTCS Grade LF6 Slip On Flanges
  • ANSI B16.5 CS LF6 Slip On Flanges
  • Carbon Steel ASTM A350 LF6 Slip On Flange
Carbon Steel Weld Neck Flanges

ASTM A350 LF6 Socket Weld Flanges

  • ANSI B16.5 CS LF6 Socket Weld Flanges
  • ASTM A350 Low Temperature Steel Grade LF6 SWRF Flange
  • ASTM A350 LF6 Carbon Steel Socket Weld Flanges
  • Carbon Steel ASTM A350 LF6 SocketWeld Flange
  • Carbon Steel A350 LF6 SocketWeld Flanges
  • A350 LTCS LF6 Socket Weld Flanges
  • Low Temperature Carbon Steel A350 Gr LF6 SWFF Flanges
Carbon Steel Blind Flanges

ASTM A350 LF6 Blind Flanges

  • ASTM A350 Low Temperature Steel Grade LF6 BLRF Flange
  • ANSI B16.5 LTCS LF6 Blind Flanges
  • Carbon Steel A350 LF6 Blind Flanges
  • Low Temperature Carbon Steel A350 Gr LF6 BLFF Flanges
  • ASTM A350 LF6 Carbon Steel Blind Flanges
  • Carbon Steel ASTM A350 LF6 Blind Flange
  • A350 LTCS LF6 Blind Flanges
Carbon Steel SocketWeld Flanges

ASTM A350 LF6 Weld Neck Flanges

  • Carbon Steel ASTM A350 LF6 Weld Neck Flange
  • Carbon Steel A350 LF6 Weld Neck Flanges
  • A350 LTCS LF6 Weld Neck Flanges
  • ANSI B16.5 LTCS LF6 Weld Neck Flanges
  • ASTM A350 LF6 Carbon Steel Weld Neck Flanges
  • Low Temperature Carbon Steel A350 Gr LF6 WNFF Flanges
  • ASTM A350 Low Temperature Steel Grade LF6 WNRF Flange
Carbon Steel A105 Threaded Flanges

ASTM A350 LF6 Threaded Flanges

  • ASTM A350 Low Temperature Steel Grade LF6 Screwed Flange
  • Carbon Steel A350 LF6 Threaded Flanges
  • A350 LTCS LF6 Threaded Flanges
  • Low Temperature Carbon Steel A350 Gr LF6 Screwed Flanges
  • ANSI B16.5 LTCS LF6 Threaded Flanges
  • ASTM A350 LF6 Carbon Steel Threaded Flanges
  • Carbon Steel ASTM A350 LF6 Threaded Flange
Carbon Steel Lap Joint Flanges

ASTM A350 LF6 Lap Joint Flanges

  • ASTM A350 Low Temperature Steel Grade LF6 Lap Joint Flange
  • ANSI B16.5 LTCS LF6 Lap Joint Flanges
  • ASTM A350 LF6 Carbon Steel Lap Joint Flanges
  • Carbon Steel A350 LF6 Lap Joint Flanges
  • Low Temperature Carbon Steel A350 Gr LF6 LJ Flanges
  • A350 LTCS LF6 Lap Joint Flanges
  • Carbon Steel ASTM A350 LF6 Lap Joint Flange

Ready Stock Of Low Temperature Carbon Steel A350 LF6 Flanges

  • ASTM A350 LF6 LTCS Raised Face Flanges
  • Low Temperature Carbon Steel A350 LF6 Long Weld Neck Flanges
  • LTCS ASTM A350 LF6 Orifice Flange
  • A350 LF6 Low Temperature Steel Pipe Flange
  • ASME B16.5 Class 150 Carbon Steel LF6 Flanges
  • ANSI B16.5 LTCS LF6 Class 300 Flanges Dimensions
  • ASTM A350 LF6 LTCS Spectacle Blind Flanges
  • LTCS A350 Gr LF6 Flanges
  • ASTM A350 LF6 LTCS Ring Type Joint Flanges
  • Low Temperature Steel A350 Gr LF6 Flat Face Flange
  • ASTM A350 Grade LF6 CS Reducing Flanges
  • LTCS ASTM A350 Gr.LF6 DIN Flanges
  • ASTM A350 Carbon Steel LF6 Lap Joint Flanges
  • ASTM A350 CS Grade LF6 Long Weld Neck Flanges
  • A350 CS LF6 Slip On Flat Face Flanges
  • LTCS A350 LF6 Tongue & Groove Flanges
  • A350 LF6 Low Temperature Carbon Steel Spacer Ring Flanges
  • ASTM A350 Gr.LF6 LTCS Large Diameter Flange
  • Carbon Steel A350 Gr LF6 Screwed Flanges
  • ASTM A350M Carbon Steel Grade LF6 Flange
  • Low Temperature Steel A350 LF6 Industrial Flanges
  • Low Temperature Carbon Steel A350 LF6 Plate Flange
  • ASTM A350 Gr.LF6 CS Exhaust Flanges
  • ASTM A350 LF6 CS Male & Female Flanges
  • A350 LF6 Carbon Steel Custom Flanges
  • Low Temperature Carbon Steel ASTM A350 LF6 Flanges
  • A350 LF6 Low Temperature Steel Blind Flange
  • Low Temperature Steel A350 LF6 NPT Threaded Flanges
  • CS A350 LF6 Nipoflange
  • LTCS A350 LF6 SORF Flanges
  • ASTM A350 LTCS Gr LF6 Paddle Blank and Spacer
  • A350 LF6 Low Temperature Steel Flange Pressure Rating
  • LTCS ASTM A350 Grade LF6 Flangeolet
  • Low Temperature Carbon Steel A350 LF6 Forged Flanges
  • ASTM A350 LF6 LTCS Square Flanges

ASTM A350 LF6 Low Temperature Steel Flange Dimensions

NPS
(in.)
Carbon Steel A350 Flange Dimensions
Dia. of
Flange
(in.)
No.
of
Bolts
Dia. of
Bolts
(in.)
Dia. of
Bolt Holes
(in.)
Bolt
Circle
(in.)
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

Size Chart of ASTM A350 LF6 Low Temperature Carbon Steel Flanges

Nominal Pipe Size Outside Diameter of Flanges Thickness of Flanges Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Weight Chart of ASTM A350 LF6 LTCS Flanges

Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of
Hub
Diameter of Raised Face Length Hub.Y Thread Length Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C X G Y T BC BH BN BD
1/2″ 15 89.00 11.20 30.20 35.10 15.70 15.70 60.50 15.80 4 1/2″ 0.4 0.9
3/4″ 20 98.50 12.70 38.10 42.90 15.70 15.70 69.90 15.80 4 1/2″ 0.7 1.5
1″ 25 108.00 14.20 49.30 50.80 17.50 17.50 79.30 15.80 4 1/2″ 0.8 1.8
1-1/4″ 32 117.50 15.70 58.70 63.50 20.60 20.60 88.90 15.80 4 1/2″ 1.2 2.6
1-1/2″ 40 127.00 17.50 65.00 73.20 22.40 22.40 98.60 15.80 4 1/2″ 1.5 3.3
2″ 50 152.50 19.10 77.70 91.90 25.40 25.40 120.70 19.10 4 5/8″ 2.3 5.1
2-1/2″ 65 178.00 22.40 90.40 104.60 28.40 28.40 139.70 19.10 4 5/8″ 3.7 8.1
3″ 80 190.50 23.90 108.00 127.00 30.20 30.20 152.40 19.10 4 5/8″ 4.1 9
3-1/2″ 90 216.00 23.90 122.20 139.70 31.80 31.80 177.80 19.10 8 5/8″ 5.1 11.2
4″ 100 228.50 23.90 134.90 157.20 33.30 33.30 190.50 19.10 8 5/8″ 5.9 13
5″ 125 254.00 23.90 163.60 185.70 36.60 36.60 215.90 22.40 8 3/4″ 7 15.4
6″ 150 279.50 25.40 192.00 215.90 39.60 39.60 241.30 22.40 8 3/4″ 8.4 18.5
8″ 200 343.00 28.40 246.10 269.70 44.50 44.50 298.50 22.40 8 3/4″ 13 28.6
10″ 250 406.50 30.20 304.80 323.90 49.30 49.30 362.00 25.40 12 7/8″ 18 39.5
12″ 300 482.50 31.80 365.30 381.00 55.60 55.60 431.80 25.40 12 7/8″ 29 64
14″ 350 533.50 35.10 400.10 412.80 57.20 57.20 476.30 28.50 12 1″ 39 86
16″ 400 597.00 36.60 457.20 469.90 63.50 63.50 539.80 28.50 16 1″ 47 103
18″ 450 635.00 39.60 505.00 533.40 68.30 68.30 577.90 31.80 16 1 1/8″ 57 126
20″ 500 698.50 42.90 558.80 584.20 73.20 73.20 635.00 31.80 20 1 1/8″ 76 167
24″ 600 813.00 47.80 663.40 692.20 82.60 82.60 749.30 35.10 20 1 1/4″ 97 214

ASTM A350 LF6 LTCS Flanges Chemical Composition

Element C Mn P S Si Ni Cr Mo Cu CB V N
Composition,% ≤0.22 1.15–1.50 ≤0.025 ≤0.025 0.15-0.30 ≤0.40 ≤0.30 ≤0.12 ≤0.40 ≤0.02 0.04-0.11 0.01–0.030

ASTM A350 LF6 Flanges Mechanical Properties

Grade/ClassTensile StrengthYield Strength, min.Elongation, min.Hardness, max.
ksiMPaksiMPa%HBW
LF6 CL166–91455–6305236022197
LF6 CL275–100515–6906041520197

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