ASTM A350 LF6 Flanges Manufacturer

Check ASME SA 350 LF6 CL2 material properties and a350 gr. lf6 class 1 Chemical Composition

ASTM A350 LF6 flange advantages
The ASTM A350 LF6 flanges are intended to be used in low-temperature services. The chemical composition of the material makes them ideal to be used in applications that take place in lower temperature environments. Note that, the operating temperature of ASTM A350 LF6 flange can go as low as -28 degrees C. The major advantages of the The ASTM A350 LF6 pipe flanges are:

• They help to connect the piping system.
• They help in easy repair of the piping system.
• They can be assembled very easily and there is no need for welding.

These flanges are available in different types of faces and ideal for pipe sizes ranging from NPS ½ to NPS 24.

ASME SA 350 LF6 CL2 material properties
The ASME SA 350 LF6 CL2 material is basically a carbon steel or a low alloy steel. They are available in a wide range of surface finishes and they are popularly used for manufacturing gaskets. Different types of gaskets and flanges are made with the material, and they are used for various purposes according to their structure. They are perfect for low temperature services. They have a good tensile strength, yield strength, and they come with a minimum elongation of 20%. They are hard, sturdy, and have good longevity. They are available in various pressure ratings ranging between class 150 to class 2500.

A350 LF6 forged ring uses
The A350 LF6 forged rings are used in a wide range of applications. One can find them in different types of machinery and equipment. They are also found in pipes, valves and various other hardware. They are basically a ready-made base plate which is hot-rolled into the shape of a ring for meeting the specific dimensions of a base plate. They come with enhanced strength and durability. They are reliable and easily replaceable too. They can easily be exposed to low temperature applications, and they would work perfectly well for long durations.

Table of Content

• ASTM A350 LF6 Flanges Specification
• ASTM A350 Grade Lf6 Flange Pressure Rating
• Size Range of ASTM A350 Gr LF6 Flanges
• A350 LF6 Class 2 Flanges Weight Chart
• Price List of ASTM A350 LF6 Flanges
• ASTM A350 Lf6 Chemical Composition
• ASTM A350 Lf6 Mechanical Properties
• A350 Lf6 Cl2 Charpy V-Notch Impact Properties
• Heat Treatment of Astm A350 Lf6 Cl.2 Flange
• Various Types of ASTM A350 LF6 Flanges
• ASTM A350 Lf6 Cl2 Flanges Applications
• Thickness Of A350 LF6 Flanges

ASTM A350 LF6 Flanges Specification

Size Range	1/2″(15 NB) to 48″ (1200NB)
Pressure Rating Chart ANSI	150 LBS, 300 LBS, 2500 LBS, 900 LBS, 600 LBS, 1500 LBS
JIS	16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K
Manufacturer of Connect Type/ Flange Face Type	RF, Small Tongue, RTJ, FF, LJF, Large Tongue & Groove
Coating	Zinc Plated, Anti-rust Paint, Yellow Transparent, Oil Black Paint, Cold and Hot Dip Galvanized
Manufacturer of	GOST, JIS, ANSI, DIN, UNI, BS, AWWA, AS2129, SABS, NFE, EN etc.
DIN Pressure Calculation	25Bar 40Bar 16Bar 6Bar 10Bar / PN64 PN10 PN25 PN16 PN6 PN40
Equipment	Pushing Machine, Press machine, Sand-blasting machine, Bending machine, electric bevelling machine etc
Origin	Japan / West Europe / Indian / USA / Korean
UNI / EN	16Bar 6Bar 40Bar 10Bar 25Bar
Test	X-ray detector, Direct-reading Spectrograph, Magnetic particle detector, Ultrasonic flaw detector, Hydrostatic testing machine
Standards Provided By Manufacturer	ISO70051, MSS S44, API7S-43, API605, B16.48, ANSI/ASME B16.5, B16.47 Series A & B, BS4504, JISB2220, BS1560-3.1, ASME/ANSI B16.5/16.36/16.47A/16.47B, BS 10, EN-1092, DIN, API7S-15, EN1092
Common Types By Manufacturer	Threaded / Screwed / Forged / Plate
Production technique Used By Manufacturer	Heat treated, Forged and machined

ASTM A350 Grade Lf6 Flange Pressure Rating

Temperature °F	Class 150	Class 600	Class 1500	Class 400	Class 900	Class 300	Class 2500
-20 to 100	275	1440	3600	960	2160	720	6000
300	205	1080	2700	720	1620	540	4500
200	230	1200	3000	800	1800	600	5000
400	190	995	2485	660	1490	495	4140
600	140	875	2185	580	1310	435	3640
650	125	860	2150	575	1290	430	3580
500	170	930	2330	620	1395	465	3880
700	110	850	2125	565	1275	425	3540
750	95	830	2075	555	1245	415	3460
850	65	790	1980	530	1190	395	3300
800	80	805	2015	540	1210	405	3360
900	50	780	1945	520	1165	390	3240
950	35	765	1910	510	1145	380	3180
1000	20	640	1605	430	965	320	2675
1100	20	515	1285	345	770	255	2145
1150	20	400	995	265	595	200	1655
1050	20	615	1545	410	925	310	2570
1200	20	310	770	205	465	155	1285
1250	20	225	565	150	340	115	945
1300	20	170	430	115	255	85	715
1400	20	95	240	65	145	50	400
1350	20	125	310	80	185	60	515
1450	15	70	170	45	105	35	285
1500	10	55	135	35	80	25	230

Don't forget to view Price List of LTCS Gr LF6 Forged Flanges and Forgings in India

Size Range of ASTM A350 Gr LF6 Flanges

Nominal Pipe Size NPS (inches)	Class 300
	Diameter of Flange (inches)	No. of Bolts	Diameter of Bolts (inches)	Diameter of Bolt Holes (inches)	Bolt Circle (inches)
1/4	3-3/8	4	1/2	0.62	2-1/4
1/2	3-3/4	4	1/2	0.62	2-5/8
3/4	4-5/8	4	5/8	0.75	3-1/4
1	4-7/8	4	5/8	0.75	3-1/2
1-1/4	5-1/4	4	5/8	0.75	3-7/8
1-1/2	6-1/8	4	3/4	0.88	4-1/2
2	6-1/2	8	5/8	0.75	5
2-1/2	7-1/2	8	3/4	0.88	5-7/8
3	8-1/4	8	3/4	0.88	6-5/8
3-1/2	9	8	3/4	0.88	7-1/4
4	10	8	3/4	0.88	7-7/8
5	11	8	3/4	0.88	9-1/4
6	12-1/2	12	3/4	0.88	10-5/8
8	15	12	7/8	1	13
10	17-1/2	16	1	1.12	15-1/4
12	20-1/2	16	1-1/8	1.25	17-3/4
14	23	20	1-1/8	1.25	20-1/4
16	25-1/2	20	1-1/4	1.38	22-1/2
18	28	24	1-1/4	1.38	24-3/4
20	30-1/2	24	1-1/4	1.38	27
24	36	24	1-1/2	1.62	32

A350 LF6 Class 2 Flanges Weight Chart

NPS (Nominal Pipe Size)	Loose (Lap Joint)	NPT (Threaded)	SORF (Slip On)	BLRF (Blind)	SWRF (Socket Weld)	WRNR (Weld Neck)
½	1	1	1	2	2	2
1	2	2	2	2	2	3
1¼	3	3	3	3	3	3
¾	2	2	2	2	2	2
1½	3	3	3	4	3	4
2½	8	8	8	7	8	10
2	5	5	5	5	5	6
3	9	9	9	9	9	11.5
4	13	13	13	17	13	16.5
3½	11	12	11	13	11	12
5	15	15	15	20	15	21
8	30	30	30	47	30	42
6	19	19	19	27	19	26
10	43	43	43	70	43	54
24	275	220	220	430	220	268
14	105	90	90	140	90	114
12	64	64	64	123	64	88
16	140	98	106	180	98	140
20	195	165	165	285	165	197
18	160	130	130	220	130	165
22	245	185	185	355	185	225

Supplier and Stockist of a350 lf6 flanges in Mumbai

Price List of ASTM A350 LF6 Flanges

ASTM A350 LF6 Flanges Price Per Piece in India	SA350 Gr LF6 Flange Price in INR	ASTM A350 LF6 Class 2 Flanges Price in UAE Dirham	A350 LF6 Flanges Price in USD
lwn rtj class 800 astm sa350 lf6 flange Per Kg	297.68	UAE Dirham 14.69	$4
orifice plate ASTM A350 LF6 flange Per Kg	595.36	UAE Dirham 29.38	$8

Manufacturer of A350 LF6 forged ring

ASTM A350 Lf6 Chemical Composition

Grade	C	Mo	Mn	P	Cu	Ni	Cr	Cb	Si	V	S	N
LF6	–		1.15	–	–	–	–		0.15	0.04	–	0.01
	0.22	0.12	1.50	0.025	0.40	0.40	0.30	0.02	0.30	0.11	0.025	0.03

ASTM A350 Lf6 Mechanical Properties

Grade	Condition	Tensile Strength min (MPa)	Yield Strength min (MPa)	Elongation (L = 4d%)	Reduction of Area % min	Brinell Hardness max
LF6	–	455-630	360	22	40	–

A350 Lf6 Cl2 Charpy V-Notch Impact Properties

Minimum Impact Energy Required for Average of Each Set of Three Specimens, ft.lbf [J]	Minimum Impact Energy Permitted for One Specimen only of a Set, ft.lbf [J]	Testing Temperature, °F [°C]
20 [27]	15 [20]	0 [−18]

Heat Treatment of Astm A350 Lf6 Cl.2 Flange

Heat Treatment

1100 °F [590 °C]

Low Temperature Carbon Steel SA350 Grade LF6 material Supplier with original MTC according to EN 10204/3.1B

Various Types of ASTM A350 LF6 Flanges

ASTM A350 Grade LF6 Slip On Flange

SA350 LF6 SWRF Flanges

ASTM A350 Grade LF6 Class 2 Reducing Flanges

ASTM A350 LF6 Class 2 Blind Flange

ASTM A350 LF6 Cl1 Screwed Flange

ASTM A350 Gr LF6 WNRF Flange

ASTM A350 LF6 Class 1 Lapped Joint Flange

ASTM A350 LF6 Cl.2 Nipoflange

ASTM A350 Gr LF6 Cl2 SORF Flanges

A350 LF6 Class 2 BLRF Flanges

ASTM A350 Grade LF6 Threaded Flange

ASTM A350 Gr LF6 Orifice Flanges

A350 Grade LF6 Class 2 Expander Flanges

ASTM A350 LF6 Cl2 Ring Joint Flange

ASTM A350 Grade LF6 Class 2 Long Weld Neck Flange

ASME SA350 LF6 Girth Flanges

ASTM A350 Gr LF6 Cl2 Tongue & Groove Flange

A350 Grade LF6 Socket Weld Flange

ASTM A350 LF6 Cl2 Weld Neck Flanges

A350 Grade LF6 Cl2 Spectacle Blind Flange

ASTM A350 Grade LF6 Flange

ASTM A350 Gr LF6 Flanges

A350 LF6 Class 2 Flanges

ASTM A350 LF6 Cl2 Flanges

ASTM A350 Lf6 Cl2 Flanges Applications

• Refineries
• Nuclear Plants
• Paper & Pulp
• Oil & Gas Industry
• Power Plants
• Fossil Fuel Power Plants
• Ship Building
• Marine Applications

Thickness Of A350 LF6 Flanges

Nom Pipe Size	OD	Sch 10	Sch 20	Sch 30	STD Wall	Sch 40	Sch 60	EXT Hvy	Sch 80	Sch 100	Sch 120	Sch 140	Sch 160	XX Hvy
½	0.84	0.083			0.109	0.109		0.147	0.147				0.188	0.294
¾	1.05	0.083			0.113	0.113		0.154	0.154				0.219	0.308
1	1.315	0.109			0.133	0.133		0.179	0.179				0.25	0.358
1 ¼	1.66	0.109			0.14	0.14		0.191	0.191				0.25	0.382
1 ½	1.9	0.109			0.145	0.145		0.2	0.2				0.281	0.4
2	2.375	0.109			0.154	0.154		0.218	0.218				0.344	0.436
2 ½	2.875	0.12			0.203	0.203		0.276	0.276				0.375	0.552
3	3.5	0.12			0.216	0.216		0.3	0.3				0.438	0.6
3 ½	4	0.12			0.226	0.226		0.318	0.318					0.636
4	4.5	0.12			0.237	0.237		0.337	0.337		0.438		0.531	0.674
5	5.563	0.134			0.258	0.258		0.375	0.375		0.5		0.625	0.75
6	6.625	0.134			0.28	0.28		0.432	0.432		0.562		0.719	0.864
8	8.625	0.148	0.25	0.277	0.322	0.322	0.406	0.5	0.5	0.594	0.719	0.812	0.906	0.875
10	10.75	0.165	0.25	0.307	0.365	0.365	0.5	0.5	0.594	0.719	0.844	1	1.125	1
12	12.75	0.18	0.25	0.33	0.375	0.406	0.562	0.5	0.688	0.844	1	1.125	1.312	1
14	14	0.25	0.312	0.375	0.375	0.438	0.594	0.5	0.75	0.938	1.094	1.25	1.406
16	16	0.25	0.312	0.375	0.375	0.5	0.656	0.5	0.844	1.031	1.219	1.438	1.594
18	18	0.25	0.312	0.438	0.375	0.562	0.75	0.5	0.938	1.156	1.375	1.562	1.781
20	20	0.25	0.375	0.5	0.375	0.594	0.812	0.5	1.031	1.281	1.5	1.75	1.969
22	22	0.25			0.375			0.5
24	24	0.25	0.375	0.562	0.375	0.688	0.969	0.5	1.219	1.531	1.812	2.062	2.344
26	26				0.375			0.5
30	30	0.312	0.5	0.625	0.375			0.5
36	36	0.312	0.5	0.625	0.375	0.75		0.5
40	40				0.375			0.5
42	42				0.375			0.5
48	48				0.375			0.5