Low Temperature Carbon Steel LF5 Flanges

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Yousef Steel, a prominent steel manufacturer and supplier located in Riyadh, Saudi Arabia, provides an extensive selection of specialized piping components designed for cold-service environments. Among their top-notch products are the **Low Temperature Carbon Steel LF5 flanges**, crafted in line with ASTM A350 standards. These flanges are specifically engineered for cryogenic and low-temperature applications, where high toughness, strength, and thermal stability are crucial. LF5 flanges find their place in industries such as LNG, petrochemical, oil and gas, and offshore sectors, where reliability in extreme conditions is a must. Yousef Steel guarantees meticulous production, rigorous testing, and prompt delivery to meet all project requirements.

LTCS LF5 Flanges Manufacturer in Jeddah, Low Temperature Carbon Steel LF5 Flanges Thickness, LTCS LF5 Flanges Supplier in Al jubail, Carbon Steel LF5 Flanges Stockist in Ras Al Khair, Low Temperature Carbon Steel LF5 Flanges Size Chart, ASME SA350 Flanges Supplier in Saudi Arabia, Low Temperature Carbon Steel LF5 Flanges Exporter in Jeddah, LTCS LF5 Flanges Price in Dammam, LTCS LF5 Flanges Price in Dammam, LTCS LF5 Flanges Supplier in Ras Al Khair, Low Temperature Carbon Steel LF5 Flanges Distributor in Saudi Arabia

LTCS LF5 Blind Flanges

Low Temperature Carbon Steel LF5 Forged Flanges

Carbon Steel LF5 Threaded Flanges

Table of Contents

What is Low Temperature Carbon Steel LF5 Flanges?

ASTM A350 LF5 is a low-temperature carbon steel alloy that includes elements like nickel, chromium, and molybdenum to enhance impact resistance, corrosion resistance, and strength in low-temperature settings. Its typical chemical makeup features carbon (max 0.13%), manganese (0.60–1.35%), phosphorus (max 0.035%), sulfur (max 0.040%), nickel (2.03–2.57%), chromium (0.44–0.86%), and molybdenum (0.44–0.65%). LF5 flanges undergo impact performance testing at temperatures as low as -73°C (-100°F), ensuring exceptional mechanical reliability in cold environments. This grade also boasts a minimum yield strength of 275 MPa and a tensile strength of 485 MPa, making it durable in high-stress situations.

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Carbon Steel Flanges in Saudi Arabia

Low Temperature Carbon Steel LF5 Flanges Specification

  • Material : ASTM A350 LF5 CL1/CL2
  • Size Range: 1/2″ (15 NB) to 48″ (1200NB), ASME B16.47 Flanges size range: 26″ to 60″
  • Typical manufacturing specifications: A350 LF5 , ASME A350 LF5
  • Origin: European Origin, Indian Origin, US Origin, Korean Origin, Sweden Origin, Ukraine Origin, Japanese Origin Materials
  • ASME SA350 LF5 LTCS Flanges Manufacturing Dimensions: ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
  • Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
  • Class / Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
  • Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ), LJ, FM , R.T.J , R.J and so on
  • ANSI ClaASME SA350 LF5 LTCS Flanges: 150 to 2500 Size: 1/2″-24″
  • AWWA ClaASME SA350 LF5 LTCS Flanges: classes B, D, E, F Size: 3″-144″
  • ANSI B16.5 ASTM A350 LF5 LTCS Flanges pressure classes: 150, 300, 400, 600, 900, 1500 and 2500 for ASME B16.5
  • ANSI B16.47 ASTM A350 LF5 LTCS Flanges pressure classes: 75, 150, 300, 400, 600, 900 for ASME B16.47
  • Specialized in: A350 LF5 SORF, SOFF, BLRF, BLFF, WNRF, WNFF, SWRF, SWFF, Threaded RF, Threaded FF & LJ

Low Temperature Carbon Steel LF5 Flanges Chemical Composition

Element

Composition, w.t % Grades

 

LF5

C

≤0.30

Mn

0.60-1.35

P

≤0.035

S

≤0.040

Si

0.20-0.35

Ni

1.00-2.00

Cr

≤0.30

Mo

≤0.12

Cu

≤0.40

Cb

≤0.02

LTCS LF5 Flanges Mechanical Properties

Grade/Class

Tensile Strength

Yield Strength, min.

Elongation, min.

Hardness, max.

LF5

70–95

485–655

37.5

260

22

197

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of Low Temperature Carbon Steel LF5 Flanges in Riyadh, Saudi Arabia

Low Temperature Carbon Steel LF5 flanges are perfect for applications involving liquefied gases, cryogenic fluids, and low-temperature process streams. They are commonly utilized in LNG terminals, refrigerated storage systems, offshore platforms, and chemical plants where extreme cold and thermal cycling are prevalent. Available in standard types such as weld neck, blind, slip-on, socket weld, and threaded flanges, LF5 ensures secure connections with outstanding resistance to thermal stress.

A350 LF5 Pressure Rating Chart

ASME/ANSI B 16.5LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, LTCS A350 LF5 Lap Joint Flange, Threaded Flange, LTCS A350 LF5 Ring Type Joint Flange
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Blind Flange [Series A & B]
PRESSURE CLASS75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Slip on Flange, LTCS A350 LF5 Threaded Flange
PRESSURE CLASS300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Hubbed Slip on Flange, LTCS A350 LF5 Hubbed Threaded Flange, Lapped Pipe End Flange, LTCS A350 LF5 Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange
PRESSURE CLASSPN 2.5 TO PN 40
BS 4504[PART 1]LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Hubbed Slip-On Hubbed Threaded, Plate Flange, LTCS A350 LF5 Loose Plate With Weld On Plate Collar, Blank Flange
PRESSURE CLASSPN 2.5 TO PN 400
BS 1560 BOSSLTCS A350 LF5 Welding Neck Flange, Socket Welding Flange, LTCS A350 LF5 Slip-On Flange, LTCS A350 LF5 Blind Flange, LTCS A350 LF5 Screwed Boss Flange, LTCS A350 LF5 Lapped Flange
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
BS10LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Plate Slip-On Flange, LTCS A350 LF5 Screwed Boss Flange, Slip-On Boss Flange, LTCS A350 LF5 Blind Flange
TABLED, E, F, H
DIN FLANGESDIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASSPN 6 TO PN 100

Low Temperature Carbon Steel LF5 Flange Dimensions

NPS O.D. of Flange Flanges Thickness Diameter of RF Diameter of Hub at Base Lengtd Tdru Hub Bore or Diameter Dia. of Hub at Bevel Radius of Fillet Deptd of Socket
Welding (WN) Neck Slip-On (SORF) Threaded (NPT) Socket (SWRF) Lap Joint (Loose) Slip-on (SORF) Socket (SWRF) Lap Joint (Loose)
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.lf2 18.00 1/2 1-15/16
lf2 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 lf2.lf2 lf2.25 lf2.00 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

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Types of Low Temperature Carbon Steel LF5 Flanges

Low Temperature Carbon Steel LF5 Spectacle Blind Flanges
Carbon Steel LF5 Long Weld Neck Flanges
Carbon Steel LF5 Lap Joint Flanges
LF5 Carbon Steel Socket weld Flanges
LF5 Carbon Steel Weld Neck Flanges
Carbon Steel LF5 Slip On Flanges

Carbon Steel LF5 Flange Weight Chart

Nominal Pipe Sizes (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (Loose) Blind (BLRF) Weld Neck (WRNR)
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 lf2 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 2lf2 165
lf2 165 165 165 195 285 197
22 185 185 185 245 355 225
24 2lf2 2lf2 2lf2 275 430 268

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Uses of Low Temperature Carbon Steel LF5 Flanges

Carbon steel LF5 flanges are often used in industries that require strength, durability, and ability to handle cold temperatures. You can see them in oil and gas pipelines, petrochemical plants, power generation, and shipbuilding. They are also found in pressure vessels, heat exchangers, and refineries, where some strength and toughness count. LF5 flanges are easy to weld and resist rust, making them good for joining pipes in tough conditions. They help to keep things safe and last a long time.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry