Forge Flange

Hastelloy C276 Forged Flanges, Inconel 625 Forged Flanges, ASME SA182 SS 316 Forged Flanges, ASME SA182 Duplex 2205 Forged Flanges, 2507 Super Duplex Forged Flanges, ASTM A182 SS 304 Forged Flanges.

About Forge Flange

Forging is a method of shaping metal by applying compressive forces with a hammer or press, and the flanges produced in this way are known as forge flanges. Forge flange benefits from this forging method with increased strength, durability, and fatigue resistance.

Carbon steel, stainless steel, and alloy steel are just a few examples of the forge flange materials available. Different types, such as the slip-on, weld-neck, blind, socket-weld, and threaded varieties, are made for different applications.

Oil & gas, petrochemical, power production, water treatment, and other sectors benefit from forge flanges. Their durability and dependability make them perfect for extreme conditions. These are a standard part of fluid and gas transmission systems, used to join together pipes, valves, pumps, and other components. Pipeline construction also relies heavily on forge flanges because they ensure reliable, watertight joints.

The forge flange has various benefits over its competitors. Its increased strength guarantees leak-free connections and shortens downtime. Forged flanges are built to withstand high pressures and temperatures, making them ideal for harsh environments. In addition, they last a long time without breaking down, which cuts down on expenses.

Forge flanges can only function to their full potential if installed correctly and regularly maintained. A leak-free connection requires careful alignment and torqueing of the bolts during installation. Checking for corrosion, wear, or damage as part of a regular inspection and maintenance routine is essential for spotting and fixing any problems as soon as they arise.

When exceptional strength and longevity are required, forge flanges are a safe bet in crucial piping systems. Their superior mechanical qualities, achieved through the forging process, make them well-suited to severe working circumstances. Engineers and people in related fields might benefit from a better understanding of forge flanges by learning about their features, uses, and advantages.

Flanges are used extensively in industrial settings to connect pipes, valves, and other pieces of machinery. The blind flange is specialized among the many other flange options. The end of a pipe or vessel can be sealed with a blind flange, sometimes called a blank flange. Blind flanges, in contrast to other flanges, are meant to prevent the passage of liquids and gases. As the name implies, they seal off the end of a pipe or fitting.

Carbon steel, stainless steel, alloy steel, and other types of steel are only some of the options for manufacturing blind flanges. They are available in a range of diameters and pressure ratings to match a variety of pipe configurations. Blind flanges can be made to meet the requirements of international specifications like ASME, ASTM, or DIN.

UNS N06625 Forged Flanges Exporter, UNS N08904 Forged Flanges Exporter, DIN 1.4301 Forged Flanges Stockist, ASME SA182 Duplex 2205 Forged Flanges Stockist.

Specification of Forge Flange

Standards	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Size Chart	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Calculation in DIN	6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Forged Flanges
Pressure Rating ANSI	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Forged Flanges
UNI	6Bar 10Bar 16Bar 25Bar 40Bar Forged Flanges
JIS	5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Forged Flanges
Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Forged Flanges
EN	6Bar 10Bar 16Bar 25Bar 40Bar Forged Flanges
Types of Forged Flanges	Forged / Threaded / Screwed / Plate
Connect Type/ Flange Face Type	Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove

Dimensions Standard Of Forge Flange

Class 150 Forged Flanges Dimensions

Normal Pipe Size (NPS)	O	T	TJ	R	X	#/Diameter of Holes	Diameter Of Bolt Circle	B	B2b	B3	H	L	L2	L3c	R	D	Thr
½	3.50	0.38	0.44	1.38	1.19	4-0.62	2.38	0.88	0.62	0.90	0.84	0.56	1.81	0.62	0.12	0.38	0.62
¾	3.88	0.44	0.50	1.69	1.50	4-0.62	2.75	1.09	0.82	1.11	1.05	0.56	2.00	0.62	0.12	0.44	0.62
1	4.25	0.50	0.56	2.00	1.94	4-0.62	3.12	1.36	1.05	1.38	1.32	0.62	2.12	0.69	0.12	0.50	0.69
1¼	4.62	0.56	0.62	2.50	2.31	4-0.62	3.50	1.70	1.38	1.72	1.66	0.75	2.19	0.81	0.19	0.56	0.81
1½	5.00	0.62	0.69	2.88	2.56	4-0.62	3.88	1.95	1.61	1.97	1.90	0.81	2.38	0.88	0.25	0.62	0.88
2	6.00	0.69	0.75	3.62	3.06	4-0.75	4.75	2.44	2.07	2.46	2.38	0.94	2.44	1.00	0.31	0.69	1.00
2½	7.00	0.81	0.88	4.12	3.56	4-0.75	5.50	2.94	2.47	2.97	2.88	1.06	2.69	1.12	0.31	0.75	1.12
3	7.50	0.88	0.94	5.00	4.25	4-0.75	6.00	3.57	3.07	3.60	3.50	1.12	2.69	1.19	0.38	0.81	1.19
3½	8.50	0.88	0.94	5.50	4.81	8-0.75	7.00	4.07	3.55	4.10	4.00	1.19	2.75	1.25	0.38	0.88	1.25
4	9.00	0.88	0.94	6.19	5.31	8-0.75	7.50	4.57	4.03	4.60	4.50	1.25	2.94	1.31	0.44	0.94	1.31
5	10.00	0.88	0.94	7.31	6.44	8-0.88	8.50	5.66	5.05	5.69	5.56	1.38	3.44	1.44	0.44	0.94	1.44
6	11.00	0.94	1.00	8.50	7.56	8-0.88	9.50	6.72	6.07	6.75	6.63	1.50	3.44	1.56	0.50	1.06	1.56
8	13.50	1.06	1.12	10.62	9.69	8-0.88	11.75	8.72	7.98	8.75	8.63	1.69	3.94	1.75	0.50	1.25	1.75
10	16.00	1.12	1.19	12.75	12.00	12-1.00	14.25	10.88	10.02	10.92	10.75	1.88	3.94	1.94	0.50	1.31	1.94
12	19.00	1.19	1.25	15.00	14.38	12-1.00	17.00	12.88	12.00	12.92	12.75	2.12	4.44	2.19	0.50	1.56	2.19
14	21.00	1.31	1.38	16.25	15.75	12-1.12	18.75	14.14	13.25	14.18	14.00	2.19	4.94	3.12	0.50	1.63	2.25
16	23.50	1.38	1.44	18.50	18.00	16-1.12	21.25	16.16	15.25	16.19	16.00	2.44	4.94	3.44	0.50	1.75	2.50
18	25.00	1.50	1.56	21.00	19.88	16-1.25	22.75	18.18	17.25	18.20	18.00	2.62	5.44	3.81	0.50	1.94	2.69
20	27.50	1.62	1.69	23.00	22.00	20-1.25	25.00	20.20	19.25	20.25	20.00	2.81	5.62	4.06	0.50	2.13	2.88
22	29.50	1.75	1.81	25.25	24.25	20-1.38	27.25	22.22	21.25	22.25	22.00	3.07	5.82	4.25	0.50	2.38	3.13
24	32.00	1.81	1.88	27.25	26.12	20-1.38	29.50	24.25	23.25	24.25	24.00	3.19	5.94	4.38	0.50	2.50	3.25

Class 300 Forged Flanges Dimensions

Normal Pipe Size (NPS)	O	T	TJ	R	X	#/Diameter of Holes	Diameter Of Bolt Circle	B	B2b	B3	H	L	L2	L3c	R	C	D	Thr
½	3.75	0.50	0.56	1.38	1.50	4-0.63	2.62	0.88	0.62	0.90	0.84	0.81	2.00	0.88	0.12	0.93	0.38	0.62
¾	4.62	0.56	0.62	1.69	1.88	4-0.75	3.25	1.09	0.82	1.11	1.05	0.94	2.19	1.00	0.12	1.14	0.44	0.62
1	4.88	0.62	0.69	2.00	2.12	4-0.75	3.50	1.36	1.05	1.38	1.32	1.00	2.38	1.06	0.12	1.41	0.50	0.69
1¼	5.25	0.69	0.75	2.50	2.50	4-0.75	3.88	1.70	1.38	1.72	1.66	1.00	2.50	1.06	0.19	1.75	0.56	0.81
1½	6.12	0.75	0.81	2.88	2.75	4-0.88	4.50	1.95	1.61	1.97	1.90	1.13	2.63	1.19	0.25	1.98	0.62	0.88
2	6.50	0.81	0.88	3.62	3.31	8-0.75	5.00	2.44	2.07	2.46	2.38	1.25	2.69	1.31	0.31	2.50	0.69	1.12
2½	7.50	0.94	1.00	4.12	3.94	8-0.88	5.88	2.94	2.47	2.97	2.88	1.44	2.94	1.50	0.31	3.00	0.75	1.25
3	8.25	1.06	1.12	5.00	4.62	8-0.88	6.62	3.57	3.07	3.60	3.50	1.63	3.06	1.69	0.38	3.63	0.81	1.25
3½	9.00	1.12	1.19	5.50	5.25	8-0.88	7.25	4.07	3.55	4.10	4.00	1.69	3.13	1.75	0.38	4.13		1.44
4	10.00	1.19	1.25	6.19	5.75	8-0.88	7.88	4.57	4.03	4.60	4.50	1.82	3.32	1.88	0.44	4.63		1.44
5	11.00	1.31	1.38	7.31	7.00	8-0.88	9.25	5.66	5.05	5.69	5.56	1.94	3.82	2.00	0.44	5.69		1.69
6	12.50	1.38	1.44	8.50	8.12	12-0.88	10.62	6.72	6.07	6.75	6.63	2.00	3.82	2.06	0.50	6.75		1.81
8	15.00	1.56	1.62	10.62	10.25	12-1.00	13.00	8.72	7.98	8.75	8.63	2.38	4.32	2.44	0.50	8.75		2.00
10	17.50	1.81	1.88	12.75	12.62	16-1.12	15.25	10.88	10.02	10.92	10.75	2.56	4.56	3.75	0.50	10.88		2.19
12	20.50	1.94	2.00	15.00	14.75	16-1.25	17.75	12.88	12.00	12.92	12.75	2.82	5.06	4.00	0.50	12.94		2.38
14	23.00	2.06	2.12	16.25	16.75	20-1.25	20.25	14.14	13.25	14.18	14.00	2.94	5.56	4.38	0.50	14.19		2.50
16	25.50	2.19	2.25	18.50	19.00	20-1.38	22.50	16.16	15.25	16.19	16.00	3.19	5.69	4.75	0.50	16.19		2.69
18	28.00	2.31	2.38	21.00	21.00	24-1.38	24.75	18.18	17.25	18.20	18.00	3.44	6.19	5.12	0.50	18.19		2.75
20	30.50	2.44	2.50	23.00	23.12	24-1.38	27.00	20.20	19.25	20.25	20.00	3.69	6.32	5.50	0.50	20.19		2.88
22	33.00	2.57	2.63	25.25	25.25	24-1.63	29.25	22.22	21.25	22.25	22.00	3.93	6.43	5.75	0.50	22.19		3.13
24	36.00	2.69	2.75	27.25	27.62	24-1.63	32.00	24.25	23.25	24.25	24.00	4.13	6.56	6.00	0.50	24.19		3.25

Class 400 Forged Flanges Dimensions

Normal Pipe Size (NPS)	O	T	R	X	#/Diameter of Holes	Diameter Of Bolt Circle	B	B3	H	L	L2	L3c	r	C	D	Thr
½	3.75	0.56	1.38	1.5	4-0.63	2.62	0.88	0.9	0.84	0.88	2.06	0.88	0.12	0.93	0.38	0.62
¾	4.62	0.62	1.69	1.88	4-0.75	3.25	1.09	1.11	1.05	1	2.25	1	0.12	1.14	0.44	0.62
1	4.88	0.69	2	2.12	4-.075	3.5	1.36	1.38	1.32	1.06	2.44	1.06	0.12	1.41	0.5	0.69
1¼	5.25	0.81	2.5	2.5	4-0.75	3.88	1.7	1.72	1.66	1.12	2.62	1.12	0.19	1.75	0.56	0.81
1½	6.12	0.88	2.88	2.75	4-0.88	4.5	1.95	1.97	1.9	1.25	2.75	1.25	0.25	1.99	0.62	0.88
2	6.5	1	3.62	3.31	8-0.75	5	2.44	2.46	2.38	1.44	2.88	1.44	0.31	2.5	0.69	1.12
2½	7.5	1.12	4.12	3.94	8-0.88	5.88	2.94	2.97	2.88	1.62	3.12	1.62	0.31	3	0.75	1.25
3	8.25	1.25	5	4.62	8-0.88	6.62	3.57	3.6	3.5	1.81	3.25	1.81	0.38	3.63	0.81	1.38
3½	9	1.38	5.5	5.25	8-1.00	7.25	4.07	4.1	4	1.94	3.38	1.94	0.38	4.13		1.56
4	10	1.38	6.19	5.75	8-1.00	7.88	4.57	4.6	4.5	2	3.5	2	0.44	4.63		1.44
5	11	1.5	7.31	7	8-1.00	9.25	5.66	5.69	5.56	2.12	4	2.12	0.44	5.69		1.69
6	12.5	1.62	8.5	8.12	12-1.00	10.62	6.72	6.75	6.63	2.25	4.06	2.25	0.5	6.75		1.81
8	15	1.88	10.62	10.25	12-1.12	13	8.72	8.75	8.63	2.69	4.62	2.69	0.5	8.75		2
10	17.5	2.12	12.75	12.62	16-1.25	15.25	10.88	10.92	10.75	2.88	4.88	4	0.5	10.88		2.19
12	20.5	2.25	15	14.75	16-1.38	17.75	12.88	12.92	12.75	3.12	5.38	4.25	0.5	12.94		2.38
14	23	2.38	16.25	16.75	20-1.38	20.25	14.14	14.18	14	3.31	5.88	4.62	0.5	14.19		2.5
16	25.5	2.5	18.5	19	20-1.50	22.5	16.16	16.19	16	3.69	6	5	0.5	16.19		2.69
18	28	2.62	21	21	24-1.50	24.75	18.18	18.2	18	3.88	6.5	5.38	0.5	18.19		2.75
20	30.5	2.75	23	23.12	24-1.62	27	20.2	20.25	20	4	6.62	5.75	0.5	20.19		2.88
22	33	2.88	25.25	25.25	24-1.75	29.25	22.22	22.25	22	4.25	6.75	6	0.5			--
24	36	3	27.25	27.62	24-1.88	32	24.25	24.25	24	4.5	6.88	6.25	0.5	24.19		3.25

Class 600 Forged Flanges Dimensions

Normal Pipe Size (NPS)	O	T	R	X	#/Diameter of Holes	Diameter Of Bolt Circle	B	B3	H	L	L2	L3c	r	C	D	Thr
½	3.75	0.56	1.38	1.5	4-0.63	2.62	0.88	0.9	0.84	0.88	2.06	0.88	0.12	0.93	0.38	0.62
¾	4.62	0.62	1.69	1.88	4-0.75	3.25	1.09	1.11	1.05	1	2.25	1	0.12	1.14	0.44	0.62
1	4.88	0.69	2	2.12	4-0.75	3.5	1.36	1.38	1.32	1.06	2.44	1.06	0.12	1.41	0.5	0.69
1¼	5.25	0.81	2.5	2.5	4-0.75	3.88	1.7	1.72	1.66	1.12	2.62	1.12	0.19	1.75	0.56	0.81
1½	6.12	0.88	2.88	2.75	4-0.88	4.5	1.95	1.97	1.9	1.25	2.75	1.25	0.25	1.99	0.62	0.88
2	6.5	1	3.62	3.31	8-0.75	5	2.44	2.46	2.38	1.44	2.88	1.44	0.31	2.5	0.69	1.12
2½	7.5	1.12	4.12	3.94	8-0.88	5.88	2.94	2.97	2.88	1.62	3.12	1.62	0.31	3	0.75	1.25
3	8.25	1.25	5	4.62	8-0.88	6.62	3.57	3.6	3.5	1.81	3.25	1.81	0.38	3.63	0.81	1.38
3½	9	1.38	5.5	5.25	8-1.00	7.25	4.07	4.1	4	1.94	3.38	1.94	0.38	4.13		1.56
4	10.75	1.5	6.19	6	8-1.00	8.5	4.57	4.6	4.5	2.12	4	2.12	0.44	4.63		1.62
5	13	1.75	7.31	7.44	8-1.12	10.5	5.66	5.69	5.56	2.38	4.5	2.38	0.44	5.69		1.88
6	14	1.88	8.5	8.75	12-1.12	11.5	6.72	6.75	6.63	2.62	4.62	2.62	0.5	6.75		2
8	16.5	2.19	10.62	10.75	12-1.25	13.75	8.72	8.75	8.63	3	5.25	3	0.5	8.75		2.25
10	20	2.5	12.75	13.5	16-1.38	17	10.88	10.92	10.75	3.38	6	4.38	0.5	10.88		2.56
12	22	2.62	15	15.75	20-1.38	19.25	12.88	12.92	12.75	3.62	6.12	4.62	0.5	12.94		2.75
14	23.75	2.75	16.25	17	20-1.50	20.75	14.14	14.18	14	3.69	6.5	5	0.5	14.19		2.88
16	27	3	18.5	19.5	20-1.63	23.75	16.16	16.19	16	4.19	7	5.5	0.5	16.19		3.06
18	29.25	3.25	21	21.5	20-1.75	25.75	18.18	18.2	18	4.62	7.25	6	0.5	18.19		3.12
20	32	3.5	23	24	24-1.75	28.5	20.2	20.25	20	5	7.5	6.5	0.5	20.19		3.25
22	34.25	3.75	25.25	26.25	24-1.75	30.63	22.22	22.25	22	5.25	7.75	6.88	0.5			--
24	37	4	27.25	28.25	24-2.00	33	24.25	24.25	24	5.5	8	7.25	0.5	24.19		3.62

Class 900 Forged Flanges Dimensions

Normal Pipe Size (NPS)	O	T	R	X	#/Diameter of Holes	Diameter Of Bolt Circle	B	B3	H	L	L2	L3c	r	C	Thr
3	9.5	1.5	5	5	8-1.00	7.5	3.57	3.6	3.5	2.12	4	2.12	0.38	3.63	1.62
4	11.5	1.75	6.19	6.25	8-1.25	9.25	4.57	4.6	4.5	2.75	4.5	2.75	0.44	4.63	1.88
5	13.75	2	7.31	7.5	8-1.38	11	5.66	5.69	5.56	3.12	5	3.12	0.44	5.69	2.12
6	15	2.19	8.5	9.25	12-1.25	12.5	6.72	6.75	6.63	3.38	5.5	3.38	0.5	6.75	2.25
8	18.5	2.5	10.63	11.75	12-1.50	15.5	8.72	8.75	8.63	4	6.38	4.5	0.5	8.75	2.5
10	21.5	2.75	12.75	14.5	16-1.50	18.5	10.88	10.92	10.75	4.25	7.25	5	0.5	10.88	2.81
12	24	3.12	15	16.5	20-1.50	21	12.88	12.92	12.75	4.63	7.88	5.62	0.5	12.94	3
14	25.25	3.38	16.25	17.75	20-1.63	22	14.14	14.18	14	5.12	8.38	6.12	0.5	14.19	3.25
16	27.75	3.5	18.5	20	20-1.75	24.25	16.16	16.19	16	5.25	8.5	6.5	0.5	16.19	3.38
18	31	4	21	22.25	20-2.00	27	18.18	18.2	18	6	9	7.5	0.5	18.19	3.5
20	33.75	4.25	23	24.5	20-2.13	29.5	20.2	20.25	20	6.25	9.75	8.25	0.5	20.19	3.62
24	41	5.5	27.25	29.5	20-2.63	35.5	24.25	24.25	24	8	11.5	10.5	0.5	24.19	4

Class 1500 Forged Flanges Dimensions

Normal Pipe Size (NPS)	O	T	R	X	#/Diameter of Holes	Diameter Of Bolt Circle	B	B3	H	L	L2	L3c	r	C	D	Thr
½	4.75	0.88	1.38	1.5	4-0.88	3.25	0.88	0.9	0.84	1.25	2.38	1.25	0.12	0.93	0.38	0.88
¾	5.12	1	1.69	1.75	4-0.88	3.5	1.09	1.11	1.05	1.38	2.75	1.38	0.12	1.14	0.44	1
1	5.88	1.12	2	2.06	4-1.00	4	1.36	1.38	1.32	1.62	2.88	1.62	0.12	1.41	0.5	1.12
1¼	6.25	1.12	2.5	2.5	4-1.00	4.38	1.7	1.72	1.66	1.62	2.88	1.62	0.19	1.75	0.56	1.19
1½	7	1.25	2.88	2.75	4-1.12	4.88	1.95	1.97	1.9	1.75	3.25	1.75	0.25	1.99	0.62	1.25
2	8.5	1.5	3.63	4.12	8-1.00	6.5	2.44	2.46	2.38	2.25	4	2.25	0.31	2.5	0.69	1.5
2½	9.62	1.62	4.13	4.88	8-1.12	7.5	2.94	2.97	2.88	2.5	4.12	2.5	0.31	3	0.75	1.88
3	10.5	1.88	5	5.25	8-1.25	8		3.6	3.5		4.62	2.88	0.38
4	12.25	2.12	6.19	6.38	8-1.38	9.5		4.6	4.5		4.88	3.56	0.44
5	14.75	2.88	7.31	7.75	8-1.63	11.5		5.69	5.56		6.12	4.12	0.44
6	15.5	3.25	8.5	9	12-1.50	12.5		6.75	6.63		6.75	4.69	0.5
8	19	3.62	10.63	11.5	12-1.75	15.5		8.75	8.63		8.38	5.62	0.5
10	23	4.25	12.75	14.5	12-2.00	19		10.92	10.75		10	7	0.5
12	26.5	4.88	15	17.75	16-2.12	22.5		12.92	12.75		11.12	8.62	0.5
14	29.5	5.25	16.25	19.5	16-2.38	25		14.18	14		11.75	9.5	0.5
16	32.5	5.75	18.5	21.75	16-2.63	27.75		16.19	16		12.25	10.25	0.5
18	36	6.38	21	23.5	16-2.88	30.5		18.2	18		12.88	10.88	0.5
20	38.75	7	23	25.25	16-3.12	32.75		20.25	20		14	11.5	0.5
24	46	8	27.25	30	16-3.63	39		24.25	24		16	13	0.5

Class 2500 Forged Flanges Dimensions

Normal Pipe Size (NPS)	O	T	R	X	#/Diameter of Holes	Diameter Of Bolt Circle	B3	H	L	L2	L3	r	C	Thr
½	5.25	1.19	1.38	1.69	4-0.88	3.5	0.9	0.84	1.56	2.88	1.56	0.12	0.93	1.12
¾	5.5	1.25	1.69	2	4-0.88	3.75	1.11	1.05	1.69	3.12	1.69	0.12	1.14	1.25
1	6.25	1.38	2	2.25	4-1.00	4.25	1.38	1.32	1.88	3.5	1.88	0.12	1.41	1.38
1¼	7.25	1.5	2.5	2.88	4-1.12	5.13	1.72	1.66	2.06	3.75	2.06	0.19	1.75	1.5
1½	8	1.75	2.88	3.12	4-1.25	5.75	1.97	1.9	2.38	4.38	2.38	0.25	1.99	1.75
2	9.25	2	3.63	3.75	8-1.12	6.75	2.46	2.38	2.75	5	2.75	0.31	2.5	2
2½	10.5	2.25	4.13	4.5	8-1.25	7.75	2.97	2.88	3.12	5.62	3.12	0.31	3	2.25
3	12	2.62	5	5.25	8-1.38	9	3.6	3.5		6.62	3.62	0.38
4	14	3	6.19	6.5	8-1.63	10.75	4.6	4.5		7.5	4.25	0.44
5	16.5	3.62	7.31	8	8-1.88	12.75	5.69	5.56		9	5.12	0.44
6	19	4.25	8.5	9.25	8-2.12	14.5	6.75	6.63		10.75	6	0.5
8	21.75	5	10.63	12	12-2.12	17.25	8.75	8.63		12.5	7	0.5
10	26.5	6.5	12.75	14.75	12-2.63	21.25	10.92	10.75		16.5	9	0.5
12	30	7.25	15	17.38	12-2.88	24.38	12.92	12.75		18.25	10	0.5

Size Of Forge Flange

NPS (Normal Pipe Sizes)	Outside Daimeter (O.D.)	Schedule 10	Schedule 20	Schedule 30	Schedule 40	Schedule 60	Schedule 80	Schedule 100	Schedule 120	Schedule 140	Schedule 160
½	0.84	0.083	...	...	0.109	...	0.147	...	...	...	0.188
¾	1.05	0.083	...	...	0.113	...	0.154	...	...	...	0.219
1	1.315	0.109	...	...	0.133	...	0.179	...	...	...	0.25
1 ¼	1.66	0.109	...	...	0.14	...	0.191	...	...	...	0.25
1 ½	1.9	0.109	...	...	0.145	...	0.2	...	...	...	0.281
2	2.375	0.109	...	...	0.154	...	0.218	...	...	...	0.344
2 ½	2.875	0.12	...	...	0.203	...	0.276	...	...	...	0.375
3	3.5	0.12	...	...	0.216	...	0.3	...	...	...	0.438
3 ½	4	0.12	...	...	0.226	...	0.318	...	...	...	...
4	4.5	0.12	...	...	0.237	...	0.337	...	0.438	...	0.531
5	5.563	0.134	...	...	0.258	...	0.375	...	0.5	...	0.625
6	6.625	0.134	...	...	0.28	...	0.432	...	0.562	...	0.719
8	8.625	0.148	0.25	0.277	0.322	0.406	0.5	0.594	0.719	0.812	0.906
10	10.75	0.165	0.25	0.307	0.365	0.5	0.594	0.719	0.844	1	1.125
12	12.75	0.18	0.25	0.33	0.406	0.562	0.688	0.844	1	1.125	1.312
14	14	0.25	0.312	0.375	0.438	0.594	0.75	0.938	1.094	1.25	1.406
16	16	0.25	0.312	0.375	0.5	0.656	0.844	1.031	1.219	1.438	1.594
18	18	0.25	0.312	0.438	0.562	0.75	0.938	1.156	1.375	1.562	1.781
20	20	0.25	0.375	0.5	0.594	0.812	1.031	1.281	1.5	1.75	1.969
22	22	0.25	...	...	...	...	...	...	....	....	....
24	24	0.25	0.375	0.562	0.688	0.969	1.219	1.531	1.812	2.062	2.344
26	26	....	....	....	....	....	....	....	....	....	....
30	30	0.312	0.5	0.625	....	....	....	....	....	....	....
36	36	0.312	0.5	0.625	0.75	....	....	....	....	....	....
40	40	....	....	....	....	....	....	....	....	....	....
42	42	……..	……..	……..	……..	……..	……..	……..	……..	……..	……..
48	48	……..	……..	……..	……..	……..	……..	……..	……..	……..	……..

Weight Chart Of Forge Flange

DN In inches	Dimension	125 LBS 150 LBS		300 LBS		400 LBS		600 LBS		900 LBS		1500 LBS		2500 LBS
		inch	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	mm
1/2	A	3 1/2	88.9	3 3/4	95.2	3 3/4	95.2	3 3/4	95.2	4 3/4	121	4 3/4	121	5 1/4	133.4
	b	7/16	11.1	9/16	14.3	9/16	14.3	9/16	14.3	7/8	22.2	7/8	22.2	1 3/16	30.2
	D2	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9
	D1	2 3/8	60.3	2 5/8	66.7	2 5/8	66.7	2 5/8	66.7	3 1/4	82.6	3 1/4	82.6	3 1/2	88.9
	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44
	d	5/8	15.9	5/8	15.9	5/8	15.9	5/8	15.9	7/8	22.2	7/8	22.2	7/8	22.2
3/4	A	3 7/8	98.4	4 5/8	117.5	4 5/8	117.5	4 5/8	117.5	5 1/8	130	5 1/8	130	5 1/2	139.7
	b	1/2	12.7	5/8	15.9	5/8	15.9	5/8	15.9	1	25.4	1	25.4	1 1/4	31.8
	D2	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9
	D1	2 3/4	69.8	3 1/4	82.5	3 1/4	82.5	3 1/4	82.5	3 1/2	88.9	3 1/2	88.9	3 3/4	95.2
	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	7/8	22.2	7/8	22.2	7/8	22.2
1	A	4 1/4	108	4 7/8	123.8	4 7/8	123.8	4 7/8	123.8	5 7/8	149.2	5 7/8	149.2	6 1/4	159
	b	9/16	14.3	11/16	17.5	11/16	17.5	11/16	17.5	1 1/8	28.6	1 1/8	28.6	1 3/8	34.9
	D2	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8
	D1	3 1/8	79.4	3 1/2	88.9	3 1/2	88.9	3 1/2	88.9	4	102	4	102	4 1/4	108
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1	25.4
1 1/4	A	4 5/8	117.5	5 1/4	133.4	5 1/4	133.4	5 1/4	133.4	6 1/4	159	6 1/4	159	7 1/4	184.2
	b	5/8	15.9	3/4	19	13/16	20.6	13/16	20.6	1 1/8	28.6	1 1/8	28.6	1 1/2	38.1
	D2	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5
	D1	3 1/2	88.9	3 7/8	98.4	3 7/8	98.4	3 7/8	98.4	4 3/8	111	4 3/8	111	5 1/8	130
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6
1 1/2	A	5	127	6 1/8	155.6	6 1/8	155.6	6 1/8	155.6	7	177.8	7	177.8	8	203
	b	11/16	17.5	13/16	20.6	7/8	22.2	7/8	22.2	1 1/4	31.8	1 1/4	31.8	1 3/4	44.5
	D2	2 7/8	73 98	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73
	D1	3 7/8	4	4 1/2	114	4 1/2	114	4 1/2	114	4 7/8	124	4 7/8	124	5 3/4	146
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	. 15.9	7/8	22.2	7/8	22.2	7/8	22.2	1 1/8	28.6	1 1/8	28.6	1 1/4	31.8
2	A	6	152.4	6 1/2	165.1	6 1/2	165.1	6 1/2	165.1	8 1/2	215.9	8 1/2	215.9	9 1/4	234.9
	b	3/4	19	7/8	22.2	1	25.4	1	25.4	1 1/2	38.1	1 1/2	38.1	2	50.8
	D2	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1
	D1	4 3/4	121	5	127	5	127	5	127	6 1/2	165.1	6 1/2	165.1	6 3/4	171
	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8
	d	3/4	19	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6
2 1/2	A	7	177.8	7 1/2	190.5	7 1/2	190.5	7 1/2	190.5	9 5/8	244	9 5/8	244	10 1/2	266.7
	b	7/8	22.2	1	25.4	1 1/8	28.6	1 1/8	28.6	1 5/8	41.3	1 5/8	41.3	2 1/4	57.2
	D2	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	105	4 1/8	105	4 1/8	105
	D1	5 1/2	139.7	5 7/8	149.2	5 7/8	149.2	5 7/8	149.2	7 1/2	190.5	7 1/2	190.5	7 3/4	197
	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8

Pressure Rating Of Forge Flange

Flanges pressure rating in psig for Forged Flange ASME
Temperature (F°)	150#	300#	400#	600#	900#	1500#	2500#
-20 to 100	285	740	985	1480	2220	3705	6170
200	260	680	905	1360	2035	3395	5655
300	230	655	870	1310	1965	3270	5450
400	200	635	845	1265	1900	3170	5280
500	170	605	805	1205	1810	3015	5025
600	140	570	755	1135	1705	2840	4730
650	125	550	730	1100	1650	2745	4575
700	110	530	710	1060	1590	2655	4425
750	95	505	675	1015	1520	2535	4230
800	80	410	550	825	1235	2055	3430
850	65	320	425	640	955	1595	2655
900	50	230	305	460	690	1150	1915
950	35	135	185	275	410	685	1145
1000	20	85	115	170	255	430	715

Price Of Forge Flange

Stainless Steel Flanges	USD $2.05 - $10.06 / Piece (FOB Price) on request
High Nickel Alloys Flanges	USD $8.10 - $20.20 / Piece (FOB Price) on request
Duplex & Super Duplex Flange	USD $10.20 - $35.50 / Piece (FOB Price) on request
Cupro Nickel Flanges	USD $5.19 - $10.48 / Piece (FOB Price) on request
Carbon Steel Flanges	USD $2.08 - $7.10 / Piece (FOB Price) on request

Application Of Forge Flange

We make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers.

Testing Of Forge Flange

We known for its accurate and perfect dimensions. We thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.

Packing Of Forge Flange

We uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as:

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