Low Temperature Carbon Steel LF5 Flanges Manufacturer and Supplier in Tunis, Tunisia

Low Temperature Carbon Steel LF5 Flanges

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Marzouk Steel, based in Tunis, Tunisia, has built a solid reputation as a top-notch manufacturer and supplier of high-quality steel piping components tailored for critical industrial applications. The company stands out for its state-of-the-art manufacturing facilities, precision engineering, and unwavering commitment to international quality standards. Among its specialized offerings, the Low Temperature Carbon Steel LF5 Flanges are crafted to excel in low-temperature and high-pressure settings. With a strong emphasis on quality assurance and customer satisfaction, Marzouk Steel provides durable and dependable flanges that support a variety of projects in the oil and gas, petrochemical, power generation, and infrastructure sectors around the globe.

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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?

The Low Temperature Carbon Steel LF5 Flanges are designed to deliver outstanding mechanical strength and toughness even in sub-zero conditions. Their chemical makeup typically features carefully balanced levels of carbon, manganese, phosphorus, sulfur, and silicon, all aimed at boosting durability and ductility. On the mechanical side, LF5 flanges showcase impressive tensile strength, reliable yield strength, and exceptional impact resistance at low temperatures. These characteristics help to prevent brittle fractures, ensure dimensional stability, and maintain structural integrity under pressure and thermal stress in challenging service conditions.

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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 Tunis, Tunisia

Marzouk Steel is one of the most prominent manufacturers and suppliers of superior quality Low Temperature Carbon Steel LF5 Flanges in Tunis, Tunisia. As experts in steel solutions, we supply a complete spectrum of products like Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our product range comprises Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Known for our reliable delivery and first-rate customer service, we are committed to supplying high-quality steel materials that guarantee durability and excellent performance in numerous industrial applications.

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 widely utilized in scenarios that demand reliable performance in extreme temperature environments. You’ll often find them in oil and gas pipelines, refineries, petrochemical plants, and facilities that process low temperatures. They’re also a great fit for power generation units, offshore platforms, and industrial piping systems that handle pressurized liquids and gases. Thanks to their strength, toughness, and excellent sealing capabilities, these flanges ensure safe connections, a long service life, and minimal maintenance even in harsh, low-temperature operating conditions.