Cupro Nickel 70/30 Flanges Specification
 |
Specification |
Copper Nickel 70/30 Flange |
 |
Standard |
DIN 86036 & DIN 86037, EEMUA 145 |
 |
Size |
DN15-DN100 |
 |
Pressure Rating |
10bar , 14bar , 16bar , 20bar |
 |
Material |
CuNi10Fe1, 6Mn, EEMUA 145 UNS 7060X |
 |
Face Type |
Raised Face, Ring Type Joint, Flat Face |
What is smooth finish ASTM B151 UNS C71500 Flange?
A smooth finish C71500 flange has a shiny smooth appearance. These flanges don’t have any markings of a tool on them. The smooth finish on the 70-30 Cu-Ni reducing flange is achieved by having the contact surface machined with a spiral groove. They are more common for low pressure and larger diameter pipelines.
Choose among the verified suppliers of Cupro Nickel 70/30 Socket Weld Flange amazingly low prices, check C71500 Flange price per kg in Dubai
70/30 Copper Nickel Flanges Price List In India and Qatar
Description |
Price In India (INR) Per KG |
Price In Qatar (Qatari Riyal) KG |
US (Dollar) KG |
Size : 1/2 INCH, DIN 86037, 150LB, SCH 40, WNRF |
₹4446.52 |
199.25 |
US $54.72 |
Size : 1 INCH, 150#, DIN 86037, WNRF |
₹5242.83 |
234.93 |
US $ |
Size : 1-1/2 INCH, DIN 86037, 300#, BLIND |
₹11245.64 |
503.91 |
US $64.52 |
Size :1-1/4 INCH, 150#, WNRF, DIN 86037 |
₹12322.50 |
552.16 |
US $151.65 |
Size : 2 1/2 INCH, DIN 86037, 150#, WNRF |
₹13588.15 |
608.87 |
US $167.23 |
Size :4 INCH, DIN 86037, 300#, WNRF |
₹15657.38 |
701.60 |
US $192.69 |
C71500 Cu Ni Pipe Flanges Material Testing:
- Hardness Test
- Flattening Test
- Mechanical Testing
- Pitting Resistance Test
- Flaring Test
- Intergranular Corrosion (IGC) Test
- Chemical Analysis
- PMI Testing
70/30 Copper Nickel Flanges as per ASME/ANSI B16.5, ISO 7005 & EN 1092 series
Various Types Of CU-NI 70/30 Flanges

Cu-Ni 70/30 (C71500) Weld Neck Flanges

Cu-Ni 70/30 Slip On Flanges

DIN 2.0882 Blind Flanges

70/30 Copper Nickel Socket Weld Flanges

C71500 Cu Ni Lap Joint Flanges

Cupro Nickel 70/30 Plate Flanges

Copper Nickel 70/30 RTJ Flanges

70/30 Cu-Ni Raised Face Flanges

UNS C71500 Reducing Flanges

Copper Nickel 70/30 Threaded Flanges

UNS C71500 Orifice Flanges

70 30 CU NI Spectacle Blind Flanges

Cu Ni 70/30 Forged Flanges

70-30 Cu-Ni WNRF Flanges

70/30 Cupro Nickel Screwed Flanges

2.0882 Cuni SORF Flanges

C71500 copper nickel BLRF Flange

DIN 2.0882 Industrial Flange
Buy Copper Nickel 70/30 Weld Neck Flange and 2.0882 Cuni Lap Joint Flange in smooth & serrated finish with MTC EN 10204 3.1 Certificate
DIN Standard Of Cupro 70-30 Flanges
There are four common standards as below:
- DIN 86033 For Slip On Flanges
- DIN 2632/2633 For Weld Neck Flanges
- DIN 86037 For Composite Weld Neck Flanges
- DIN 86036 For Composite Slip On Flanges
70/30 Copper Nickel Flanges Benefits
- High Quality
- Extremely durable.
- Extend Pipe Lifecycle
- Easily fixed
- Modified with pipe fittings
- Resistant to water
- Prevents antifouling substances to stick with the object
Cu Ni C71500 Flanges Application
- Power Generation
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Heat Exchangers
- Pulp and Paper Industry
Production Process Of UNS C71500 Flanges
Copper nickel 70/30 flanges forging process usually consists of the following procedures
- Selection of high-quality steel
- Stock for blanking
- Heating & forming
- Cooling after forging
- The method of forging can be classified as
- Open-die drop forging
- Impression-die forging
- Loose tooling forging
Factors To Consider When Choosing Copper Nickel 70/30 Flanges
DIN 2.0882 Flanges Equivalent Grades
STANDARD : Cupro Nickel 70/30 Flanges
UNS : C71500
WERKSTOFF NR. : 2.0882
Copper Nickel 70/30 Chemical Composition
Cu : 65 minimum
Mn : 1.0 maximum
Fe : 0.4-1.0 maximum
Zn : 1 maximum
Pb : 0.05 maximum
Ni : 29-33 maximum
70 30 CU NI Flanges Mechanical Properties
Density : 0.323 lb/in3 at 68 F
Yield Strength (0.2%Offset) : 20000 psi
Elongation :30 %
Melting Point : 2260 F
Tensile Strength :50000 psi
Copper Nickel 70/30 (C71500) Flanges Documentation
- Quality Assurance Plan (QAP)
- Heat Treatment Chart
- Material Traceability Records
- Commercial Invoice which includes HS Code
- Test Certificates
- Guarantee Letter
- Welding Procedure Specification
- Raw Material Test Reports
- Packing List including weight
Check 70-30 Cu-Ni Reducing Flange and DIN 2.0882 Forged Flange tolerance, weight and dimension specification
Tolerance Of DIN 2.0882 Forged Flange
OD |
When Outer Diameter is 24 inch or less: ±1/16″ (1.6 mm)
When Outer Diameter is over 24″: ±1/8″ (3.2 mm) |
ID |
10″ and smaller: ±1/32″ (0.8 millimeter)
12″ thru 18 inch: +1/8″ (3.2 millimeter)
20″ and larger: -1/16″ (1.6 millimeter) |
Wall Thickness |
18 inch or same: ±1/8″ (3.2 mm), -0″
20″ or big: ±3/16″ (4.8 millimeter), -0″ |
Contact-To-Face |
1/16″ (RF): ±1/32″ (0.8 mm)
1/4″ (RF), Tongue and Groove (male and female): ±1/64″ (0.4 mm) |
Drilling |
(B.C.): ±1/16″ (1.6 mm)
(B.H.) spacing: ±1/32″ (0.8 mm) |
70-30 Cu-Ni Flanges Dimension and Weight

NPS
In MM |
O.D. |
Diameter R/F |
Bolts Holes Number |
Bolts Circle |
(SB) For SORF Bore Inner Diameter |
(WB) WNRF BoreInner Diameter |
(HB) Diameter Hub Base |
Slip On Length |
Weld Neck
Length |
25.4 |
3.50 |
1.38 |
4 |
2.38 |
0.88 |
0.62 |
1.19 |
0.56 |
1.81 |
76.2 |
3.88 |
1.69 |
4 |
2.75 |
1.09 |
0.82 |
1.50 |
0.56 |
2.00 |
25.4 |
4.25 |
2.00 |
4 |
3.12 |
1.36 |
1.05 |
1.94 |
0.62 |
2.12 |
279.4 |
4.62 |
2.50 |
4 |
3.50 |
1.70 |
1.38 |
2.31 |
0.75 |
2.19 |
279.4 |
5.00 |
2.88 |
4 |
3.88 |
1.95 |
1.61 |
2.56 |
0.81 |
2.38 |
50.8 |
6.00 |
3.62 |
4 |
4.75 |
2.44 |
2.07 |
3.06 |
0.94 |
2.44 |
533.4 |
7.00 |
4.12 |
4 |
5.50 |
2.94 |
2.47 |
3.56 |
1.06 |
2.69 |
76.2 |
7.50 |
5.00 |
4 |
6.00 |
3.57 |
3.07 |
4.25 |
1.12 |
2.69 |
78.7 |
8.50 |
5.50 |
8 |
7.00 |
4.07 |
3.55 |
4.81 |
1.19 |
2.75 |
101.6 |
9.00 |
6.19 |
8 |
7.50 |
4.57 |
4.03 |
5.31 |
1.25 |
2.94 |
127 |
10.00 |
7.31 |
8 |
8.50 |
5.66 |
5.05 |
6.44 |
1.38 |
3.44 |
152.4 |
11.00 |
8.50 |
8 |
9.50 |
6.72 |
6.07 |
7.56 |
1.50 |
3.44 |
203.2 |
13.50 |
10.62 |
8 |
11.75 |
8.72 |
7.98 |
9.69 |
1.69 |
3.94 |
254 |
16.00 |
12.75 |
12 |
14.25 |
10.88 |
10.02 |
12.00 |
1.88 |
3.94 |
304.8 |
19.00 |
15.00 |
12 |
17.00 |
12.88 |
12.00 |
14.38 |
2.12 |
4.44 |
355.6 |
21.00 |
16.25 |
12 |
18.75 |
14.14 |
13.25 |
15.75 |
2.19 |
4.94 |
406.4 |
23.50 |
18.50 |
16 |
21.25 |
16.16 |
15.25 |
18.00 |
2.44 |
4.94 |
457.2 |
25.00 |
21.00 |
16 |
22.75 |
18.18 |
17.25 |
19.88 |
2.62 |
5.44 |
508 |
27.50 |
23.00 |
20 |
25.00 |
20.20 |
19.25 |
22.00 |
2.81 |
5.62 |
558.8 |
29.50 |
25.25 |
20 |
27.25 |
22.22 |
21.25 |
24.25 |
3.07 |
5.82 |
609.6 |
32.00 |
27.25 |
20 |
29.50 |
24.25 |
23.25 |
26.12 |
3.19 |
5.94 |
Weight Chart
DIN |
SORF Weight pounds |
WNRF Weight pounds |
BLRF Weight pounds |
15 |
0.881849 |
1.10231 |
0.881849 |
20 |
1.32277 |
1.54324 |
1.32277 |
25 |
1.7637 |
2.20462 |
1.98416 |
32 |
2.20462 |
2.86601 |
2.64555 |
40 |
2.86601 |
3.74786 |
3.30693 |
50 |
4.62971 |
5.73202 |
5.29109 |
65 |
7.27525 |
9.03895 |
8.59803 |
80 |
8.59803 |
10.8027 |
10.8027 |
90 |
10.5822 |
13.4482 |
13.6687 |
100 |
11.6845 |
14.9914 |
15.4324 |
125 |
13.4482 |
18.9598 |
18.9598 |
150 |
16.5347 |
23.369 |
24.91224 |
200 |
26.67593 |
38.80136 |
43.2106 |
250 |
36.37627 |
52.9109 |
63.05221 |
300 |
57.76111 |
80.46873 |
95.2397 |
350 |
76.27994 |
106.7037 |
128.0886 |
400 |
98.76709 |
133.6001 |
167.7718 |
450 |
107.806 |
150.5757 |
206.5731 |
500 |
136.4661 |
186.2906 |
268.964 |
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