Low Temperature Carbon Steel LF5 Flanges Manufacturer and Supplier in Muscat, OMAN

Low Temperature Carbon Steel LF5 Flanges

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FAISAL Steel is a well-respected manufacturer and supplier located in Muscat, Oman, specializing in top-notch Low Temperature Carbon Steel LF5 flanges that are built to withstand the rigors of demanding industrial settings. With a keen emphasis on precision, dependability, and engineering excellence, the company produces flanges that excel in both low-temperature and high-pressure situations. FAISAL Steel adheres to strict quality control protocols and employs advanced production methods to guarantee exceptional durability and a long lifespan. Catering to sectors like oil and gas, petrochemicals, power generation, and refrigeration, the company has earned a reputation for delivering reliable LF5 flanges that align with global standards and meet specific customer needs.

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LTCS LF5 Blind Flanges

Low Temperature Carbon Steel LF5 Forged Flanges

Carbon Steel LF5 Threaded Flanges

What is Low Temperature Carbon Steel LF5 Flanges?

Carbon steel LF5 flanges are made from carbon, manganese, phosphorus, sulfur, silicon, and other materials. This mix gives them strong strength and long-lasting quality. They have good mechanical features like high strength and toughness, even in cold weather. They are easy to weld and resist rust well. This makes them ideal for the oil and gas, petrochemical, and power industries. LF5 flanges work well in tough situations. They create safe connections in pipelines and are also affordable, lasting for a long time.

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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 Muscat, OMAN

Low Temperature Carbon Steel LF5 flanges are primarily made up of carbon, manganese, silicon, phosphorus, sulfur, and carefully controlled alloying elements that boost impact strength in chilly conditions. These flanges are crafted through meticulous heat treatment processes to ensure they maintain high ductility and resist brittle failure. On a mechanical level, LF5 steel boasts impressive yield and tensile strength, outstanding notch toughness, and dependable performance in cold service environments. Its excellent weldability and toughness make LF5 flanges a great choice for critical piping systems that face sub-zero temperatures and varying pressures.

A350 LF5 Pressure Rating Chart

ASME/ANSI B 16.5	LTCS 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 CLASS	150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47	LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Blind Flange [Series A & B]
PRESSURE CLASS	75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36	LTCS A350 LF5 Welding Neck Flange, LTCS A350 LF5 Slip on Flange, LTCS A350 LF5 Threaded Flange
PRESSURE CLASS	300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1	LTCS 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 CLASS	PN 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 CLASS	PN 2.5 TO PN 400
BS 1560 BOSS	LTCS 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 CLASS	150, 300, 400, 600, 900, 1500, 2500
BS10	LTCS 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
TABLE	D, E, F, H
DIN FLANGES	DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASS	PN 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
	O.D. of Flange	Flanges Thickness	Diameter of RF	Diameter of Hub at Base	Welding (WN) Neck	Slip-On (SORF) Threaded (NPT) Socket (SWRF)	Lap Joint (Loose)	Slip-on (SORF) Socket (SWRF)	Lap Joint (Loose)	Dia. of Hub at Bevel	Radius of Fillet	Deptd of Socket
	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

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

These LF5 flanges are extensively utilized in industries that demand remarkable toughness and stability in cold operating conditions. You’ll often find them in LNG facilities, refrigeration plants, cryogenic processing units, petrochemical projects, and offshore platforms. They provide secure connections in pipelines that transport chilled hydrocarbons, low-temperature fluids, and gases. Their enhanced resistance to cracking and brittleness makes them perfect for high-integrity piping networks that experience extreme thermal fluctuations. Thanks to their strength, weldability, and reliability, LF5 flanges are the go-to choice for critical systems where safety and continuous operation are paramount.