Parmar Steel specializes in high-quality copper-nickel fasteners, particularly renowned for their CU-NI 90/10 nuts. These nuts are crafted from a durable alloy blend of 90% copper and 10% nickel, ensuring exceptional corrosion resistance, especially in marine environments. Parmar Steel CU-NI 90/10 nuts are widely used in offshore oil rigs, shipbuilding, and desalination plants where resistance to seawater corrosion is crucial. The nuts are designed to withstand extreme temperatures and pressures, making them ideal for critical applications in harsh conditions. Parmar Steel commitment to precision manufacturing and quality control ensures that each nut meets stringent industry standards, providing reliability and longevity in demanding environments.
Grade | Copper Nickel Cu-Ni 90/10 - (UNS C70600), Cu-Ni 70/30 - (UNS C71500) |
Standard | ASTM / ASME SB 151, SB 152 |
Range | M10 TO M100 |
Length | UPTO 5 METERS |
Surface Coating | Hot Dipped Galvanizing Copper Nickel Fasteners, Phosphate Copper Nickel Fasteners, Teflon Copper Nickel Fasteners, Ptfe Coated Copper Nickel Fasteners, Xylon Copper Nickel Fasteners, Zinc Copper Nickel Fasteners, Cadmium Copper Nickel Fasteners |
CU-NI 90/10 HEAD HEX BOLTS SIZE IN MM
Copper Nickel 70/30 Bolt Type
|
SIZE
|
PROPERTY CLASS
|
TENSILE STRENGTH
|
STANDARD
|
Copper Nickel 70/30 Hex Head Bolt / Screws
|
M4 to M80
|
10.9
|
1040N / mm2 min
|
ISO 4017 (Full Thread)
ISO 4014 (Half Thread) |
Screws Type
|
SIZE
|
GRADE
|
ASME
|
ISO
|
ASTM
|
Socket Head Cap Screws
|
M1.6 to M64
|
12.9
|
B18.3.1 M
|
4762
|
A574M
|
Socket Low Head Cap Screws
|
M4 to M20
|
10.9
|
|
|
|
Socket Head Shoulder Screws
|
M6 to M24
|
012.9
|
B18.3.3M
|
|
|
Countersunk Socket Head Screws
|
M3 to M20
|
012.9
|
B18.3.5M
|
10642
|
F835M
|
Button Head Socket Screws
|
M3 to M12
|
012.9
|
B18.3.4M
|
7380
|
F835M
|
Flange Button Head Socket Screws
|
M3 to M10
|
012.9
|
|
|
F835M
|
Knurled Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
Flat Point Socket Set Screws
|
M6 to M12
|
45H
|
B18.3.6M
|
4026
|
F912M
|
Dog Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4028
|
F912M
|
Cone Point Socket Set Screws
|
M3 to M12
|
45H
|
B18.3.6M
|
4027
|
F912M
|
Plain Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
Taper Pressure Plug
|
M8 to M22
|
–
|
|
|
CU-NI 90/10 HEX HEAD NUT WEIGHT CHART
Property |
Minimum Value (S.I.) |
Maximum Value (S.I.) |
Units (S.I.) |
Minimum Value (Imp.) |
Maximum Value (Imp.) |
Units (Imp.) |
Atomic Volume (average) |
0.0071 |
0.0073 |
m3/kmol |
433.268 |
445.473 |
in3/kmol |
Density |
8.5 |
8.95 |
Mg/m3 |
530.638 |
558.731 |
lb/ft3 |
Energy Content |
140 |
180 |
MJ/kg |
15167.4 |
19501 |
kcal/lb |
Bulk Modulus |
130 |
170 |
GPa |
18.8549 |
24.6564 |
106 psi |
Compressive Strength |
85 |
550 |
MPa |
12.3282 |
79.7708 |
ksi |
Ductility |
0.03 |
0.44 |
0.03 |
0.44 |
||
Elastic Limit |
85 |
550 |
MPa |
12.3282 |
79.7708 |
ksi |
Endurance Limit |
138 |
240 |
MPa |
20.0152 |
34.809 |
ksi |
Fracture Toughness |
26 |
79 |
MPa.m1/2 |
23.6612 |
71.8937 |
ksi.in1/2 |
Hardness |
580 |
1650 |
MPa |
84.1219 |
239.312 |
ksi |
Loss Coefficient |
1.5e-005 |
0.00056 |
1.5e-005 |
0.00056 |
||
Modulus of Rupture |
85 |
550 |
MPa |
12.3282 |
79.7708 |
ksi |
Poisson's Ratio |
0.34 |
0.35 |
0.34 |
0.35 |
||
Shear Modulus |
45 |
58 |
GPa |
6.5267 |
8.41219 |
106 psi |
Tensile Strength |
267 |
624 |
MPa |
38.7251 |
90.5036 |
ksi |
Young's Modulus |
120 |
156 |
GPa |
17.4045 |
22.6259 |
106 psi |
Glass Temperature |
K |
°F |
||||
Latent Heat of Fusion |
220 |
240 |
kJ/kg |
94.5825 |
103.181 |
BTU/lb |
Maximum Service Temperature |
425 |
480 |
K |
305.33 |
404.33 |
°F |
Melting Point |
1384 |
1508 |
K |
2031.53 |
2254.73 |
°F |
Minimum Service Temperature |
0 |
0 |
K |
-459.67 |
-459.67 |
°F |
Specific Heat |
384 |
386 |
J/kg.K |
0.297162 |
0.298709 |
BTU/lb.F |
Thermal Conductivity |
19 |
66 |
W/m.K |
35.5686 |
123.554 |
BTU.ft/h.ft2.F |
Thermal Expansion |
16 |
17 |
10-6/K |
28.8 |
30.6 |
10-6/°F |
Breakdown Potential |
MV/m |
V/mil |
||||
Dielectric Constant |
||||||
Resistivity |
11.7 |
36.3 |
10-8 ohm.m |
11.7 |
36.3 |
10-8 ohm.m |
COPPER NICKEL 90/10 BOLTS AND NUTS CHEMICAL STRUCTURE
Grade | Cu | Mn | Pb | Ni | Fe | Zn |
Cu-Ni 90-10 | 88.6 min | 1.0 max | .05 max | 9-11 max | 1.8 max | 1 max |
CUPRO NICKEL 90/10 FLAT WASHER MECHANICAL BEHAVIOUR
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Copper Nickel 90-10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
CU-NI 90/10 HEX HEAD NUT EQUIVALENT MATERIAL
STANDARD | WERKSTOFF NR. | UNS |
Specifications | 2.0872 | C70600 |
Size | 2.0882 | C71500 |
The company has over two decade long record of servicing customers in India as well as all over the world. The company attaches significant emphasis on ensuring adherence to quality standards at all levels.
The basic thrust of the quality philosophy is summed up in the company's Quality Policy which serves as the bench mark of all functions executed by the company. Strict quality assurance system is being followed in all our departments and Total Quality Management is applied to streamline and all the procedures and practices in operation to achieve high standard of efficiency.
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CONTACT PERSON
Naresh Mali | Sales & Marketing Manager
CORPORATE ADDRESS
Parmar Steel
48/50, Hingwala Building, Office No. 8, 3rd Floor, C. P. Tank Road, Mumbai - 400004, Maharashtra, India
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