Cupro Nickel 70/30 Flanges, ASTM B151 CuNi 70/30 Flange

Name: Omaa Forged - Industrial Flanges and Round Bars
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2.0882 Socket Weld Flanges, Cupro Nickel 70/30 weld neck Flange, ANSI B16.5 Grade 70-30 Threaded Flanges, ASTM B151 Cupro Nickel 70/30 Blind Flange, UNS C71500 slip on Flanges Supplier, CuNi 70/30 Spectacle blind Flanges Manufacturer in India.

Copper-nickel 70/30 flanges are components used in piping systems that require excellent corrosion resistance and high strength. They are typically made from an alloy consisting of 70% copper and 30% nickel, hence the name “copper-nickel 70/30.”

Here are some key features and benefits of copper-nickel 70/30 flanges:

Corrosion resistance: Copper-nickel alloys have exceptional resistance to corrosion, particularly in marine environments. They exhibit resistance to seawater, brine solutions, and various corrosive chemicals, making them suitable for applications in offshore platforms, shipbuilding, and other marine industries.

High strength: Copper-nickel 70/30 alloys offer good mechanical strength, enabling them to withstand high pressures and temperatures commonly found in industrial processes. Anti-fouling properties: The copper content in the alloy provides anti-fouling properties, reducing the buildup of marine organisms on the flanges’ surface. This is beneficial for applications where fouling could affect the system’s efficiency, such as seawater cooling systems.

ANSI/ASME B16.5 ASTM B151 Cupro Nickel 70/30 Flanges Supplier

Specifications Material Grades Dimensions Weight Chart Pressure Chart Schedule Chart Size Chart Applications

Ready Stock of CuNi 70/30 Socket Weld Flange, Check Sizes And Dimensions Of ASTM B151 Cupro Nickel 70/30 Forged Flanges, ISO Approved Cu-Ni 70/30 Blind Flanges, Suppliers of 70/30 Copper Nickel 70/30 Welding Neck Flange, Lap joint Flanges, Copper Nickel 70-30 Spectacle Blind Flanges.

Weldability: Copper-nickel 70/30 flanges can be easily welded using various techniques, including butt welding, socket welding, and threaded connections. This allows for straightforward installation and maintenance.

Longevity and durability: Copper-nickel alloys have excellent durability and a long service life, even in challenging conditions. They can resist pitting, crevice corrosion, and stress corrosion cracking, ensuring reliable performance over an extended period. Copper-nickel 70/30 flanges are commonly used in industries such as marine, oil and gas, chemical processing, and power generation. They are utilized in piping systems, heat exchangers, condensers, and other applications where corrosion resistance and strength are essential requirements.

Cupro Nickel 70/30 Flange Specifications

Size Range

1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Class / Pressure Rating

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standards / Dimensions

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605

Connection Type

Ring Joint Flange (RTJ), Flat Face Flange (FF), Raised Face Flange (RF), Male and Female Flange (M & F), Lap Joint Flange, Large and Small Tongue-and-Groove Flange (T & G)

Material Standards

ASTM B151/ ASME SB151

ASTM B151 Cupro Nickel 70/30 Flanges Equivalent Grade

STANDARD	WERKSTOFF NR.	UNS
Cupro Nickel 70/30	2.0882	C71500

ANSI B16.5 Cupro Nickel 70/30 Flanges Chemical Composition

Grade	Cu	Mn	Pb	Ni	Fe	Zn
Cupro Nickel 70/30	65 min	1.0 max	0.05 max	29-33 max	0.4-1.0 max	1 max

ASTM B151 Copper Nickel 70/30 Flanges Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
0.323 lb/in3 at 68 F	2260 F	50000 psi	20000 psi	30 %

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ASTM B151 Cupro Nickel 70/30 Flanges Dimensions & Size

NPS (in.)	Cupro Nickel 70/30 Flanges Dimensions
NPS (in.)	Dia. of Flange (in.)	No. of Bolts	Dia. of Bolts (in.)	Dia. of Bolt Holes (in.)	Bolt Circle (in.)
1/4	3-3/8	4	1/2	0.62	2-1/4
1/2	3-1/2	4	1/2	0.62	2-3/8
3/4	3-7/8	4	1/2	0.62	2-3/4
1	4-1/4	4	1/2	0.62	3-1/8
1-1/4	4-5/8	4	1/2	0.62	3-1/2
1-1/2	5	4	1/2	0.62	3-7/8
2	6	4	5/8	0.75	4-3/4
2-1/2	7	4	5/8	0.75	5-1/2
3	7-1/2	4	5/8	0.75	6
3-1/2	8-1/2	8	5/8	0.75	7
4	9	8	5/8	0.75	7-1/2
5	10	8	3/4	0.88	8-1/2
6	11	8	3/4	0.88	9-1/2
8	13-1/2	8	3/4	0.88	11-3/4
10	16	12	7/8	1	14-1/4
12	19	12	7/8	1	17
14	21	12	1	1.12	18-3/4
16	23-1/2	16	1	1.12	21-1/4
18	25	16	1-1/8	1.25	22-3/4
20	27-1/2	20	1-1/8	1.25	25
24	32	20	1-1/4	1.38	29-1/2

ASTM B564 Cupro Nickel 70/30 Flanges Weight Chart

Standard	Class	Diameter	Bolt Circle Diameter	Number of Bolts	Bolt Size	Diameter of Bolt Hole
15mm (1/2″) Copper Nickel 70/30 Flange Weight Chart
ANSI B16.5 Flanges	ANSI 150 Flanges	89	60	4	13	16
	ANSI 300 Flanges	95	67	4	13	16
	ANSI 600 Flanges	95	67	4	13	16
	ANSI 900 Flanges	121	83	4	19	22
	ANSI 1500 Flanges	121	83	4	19	22
AS4087 Flanges	PN14 Flanges	95	67	4	M12	14
AS 2129 Flange	Table C Flanges	95	67	4	13	14
	Table D Flanges	95	67	4	13	14
	Table E Flanges	95	67	4	13	14
	Table F Flanges	95	67	4	13	14
	Table H Flanges	114	83	4	16	17
	Table J Flanges	114	83	4	16	17
ISO 7005 (DIN) Flange	PN6 Flanges	80	55	4	M10	11
	PN10 Flanges	95	65	4	M12	14
	PN16 Flanges	95	65	4	M12	14
	PN20 Flanges	90	60.5	4	M14	16
	PN25 Flanges	95	65	4	M12	14
	PN40 Flanges	95	65	4	M12	14

Cupro Nickel 70/30 Flange Pressure Ratings

NPS (Nominal Pipe Size)	SORF (Slip On)	NPT (Threaded)	SWRF (Socket Weld)	Loose (Lap Joint)	BLRF (Blind)	WRNR (Weld Neck)
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	20	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	220	165
20	165	165	165	195	285	197
22	185	185	185	245	355	225
24	220	220	220	275	430	268

Cupro Nickel 70/30 Flanges Dimensional Size Chart

Normal Sizes In inch	Dimension	Cupro Nickel 70/30 Flanges Dimensional Sizes 1/2 inch. to 2 1/2 inch.
		Class 125 Class 150		Class 300		Class 400		Class 600		Class 900		Class 1500		Class 2500
		inch.	mm	inch.	millimeter	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
	d	3/4	19	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

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ASTM B151 Cupro Nickel 70/30 Flanges Applications

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Cupro Nickel 70/30 Flanges Price

Omaa Metal Sources is ANSI/ASME B16.5 ASTM B151 Cupro Nickel 70/30 Flanges Exporters and Suppliers in the US, UK, South Africa, Saudi Arabia, Singapore, UAE, Oman, South Korea, Turkey, Bahrain, Malaysia, Philippines, Thailand, Norway, Indonesia, Iraq, Yemen, Bangladesh, Nigeria, Egypt, Peru, Ghana, Morocco, Etc.