Copper Nickel Fasteners

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Copper Nickel Fasteners

Copper Nickel 90/10 Hex Bolts Manufactuer in India

What’s the lifespan of Copper Nickel fasteners in seawater?

Copper Nickel fasteners made of 90/10 or 70/30 alloys can last upto 20 to 30+ years in seawater environments. Below factors can affect the lifespan of cuni bolts:

  • Low to moderate flow seawater
  • Good design
  • Galvanic isolation
  • Clean welding and installation

Fastener online is leading Copper nickel fastener manufacturer in India, widely used in marine and offshore environments due to their corrosion resistance, strength, and biofouling resistance.

Table of Content

Fasteners Types

Copper Nickel Fasteners Specification

Bolt Size

Copper Nickel Bolt Sizes

M2 to M24

Screw Size

Cuni 90/10 Screw Size

3/6″ to 2″

Hex Nuts Size

CDA 706 Nuts Size

M3 – M56 | 3/6″ to 2″

Washers Size

Copper Nickel 70/30 Washers Size

M3 – M56 | 3/6″ to 2″

Machine Screws Size

Copper Nickel 90/10 Machine Screws Size

M1.6 – M12

ISO Standard

ISO Standard

ISO 4029 / ISO 7045 / ISO 4762

Length

ASTM F468 copper nickel fasteners Length

3 mm to 200 mm

Weldability

Cu-Ni Fasteners Weldability

Excellent

Specific Heat

CuNi 70/30 Heavy Hex Bolts Specific Heat

377 J/kg·K

Threads

70/30 Cupro Nickel Threaded Studs Threads

METRIC / UNF / BSW / UNC / BSF

Custom Sizes

Custom Sizes

Copper nickel fasteners manufacturer in India in different sizes and dimensions

Standards

ASTM F468 copper nickel self tapping screws Standards

DIN 934, 931, 7991, 933, 125, 976 / ASME B18.2.1, B18.3

Origin

Origin

Korean / Indian / Russian / European

Studs Type

CDA 706 Studs Type

Fully or Fine threaded / Double-End / Tap-End

Condition

WNR 2.0872 wood screws Condition

Threading / Cold Drawn

Manufacturing Technique

Manufacturing Technique

CNC Machined / Cold forging / Hot forging

Surface finish

Cuni 70/30 anchor bolts Finish

Phosphating / HDG / Passivation

Thread Pitch

Cupro Nickel Screws Thread Pitch

Coarse Threads / Fine Threads

Head Types

CDA 706 hex head bolts Head Types

  • Button head
  • Flat
  • Phillips Drive
  • Slotted hex washer
  • Socket cap head
  • Hex washer head
  • Slotted Drive

Drive Style

Copper nickel 2.0872 Bolt Drive Style

  • Pan
  • Cross
  • Oval
  • Round
  • Hex
  • Truss
  • Torx

Bolt Size

UNS C70600 screws Thread Class

  • 4G
  • 3G
  • Class 2A (Medium fit)
  • 2G
  • Class 3A (Tight fit)
  • Class 1A (Loose fit)
  • 5 ONF

Packaging

Packaging

  • Carton Box
  • Wooden Pallet
  • Blister Packs
  • Wooden Cases

Value Added Services

Value Added Services

  • Color Coding
  • Head Shank Drilling
  • Head Painting
  • Laser Etching

Certificate

Certificate

  • 100% Radiography Test
  • Raw Materials Certificate
  • EN 10204/3.1B
  • UT and PMI Test

Copper nickel fasteners price

Product Price in USD
(Pcs)		 Price in Dirham
(Pcs)		 Price in Euro
(Pcs)
M24 Cuni 90/10 Heavy Hex Nut, DIN 934 US $45.67 167.74 AED € 39.96
5/8 X 80MM Copper Nickel 70/30 Bolts and Nuts US $53.27 195.65 AED € 46.62
M8 X 25 90/10 Cupro nickel bolts, DIN 931, UNF US $38.92 142.95 AED € 34.06

Mail us at [email protected] to get a quote of copper nickel fasteners. We are Stockist and Exporter of Cupro nickel 70/30 bolts which are widely used in high-chloride and brine environments.

Cupro Nickel Marine Fasteners Grades

  • Copper Nickel 90/10
  • Copper Nickel 70/30

Cuni Hex Bolts Chemical composition

Grade Manganese Copper Iron Nickel Lead Zinc
CuNi 90/10 1.0 max 88.6 min 1.8 max 9-11 max .05 max 1 max
CuNi 70/30 1 max 65.0 min 0.4-1.0 29-33 .05 max 1 max

Cupronickel Screws Mechanical properties

Tensile Strength

50000 psi

Yield Strength

20000 psi

Elongation

30 %

Cu ni alloy Hex Nuts Physical properties

Properties Value
Density 8.94 g/cm3
Poisson’s ratio 0.325
Thermal expansion co-efficient (@20-300°C/68-572°F) 16.2 µm/m°C
Thermal conductivity 32.9 W/mK
Shear modulus 57.2 GPa

ASTM F468 copper nickel Studs Equivalent

STANDARD UNS DIN
Copper Nickel 90/10 C70600 2.0872
Copper Nickel 70/30 C71500 2.0882

Copper Nickel 90/10 Fasteners German Standards

German Standard Types
DIN 186 Square Neck Head
DIN 529 A Anchor Bolts
DIN 479 Square Bolts
DIN 580 Lifting Eye Bolts
DIN 601 Hex bolts with nuts
DIN 444 Eye Bolts
DIN 261 T Head bolts

Manufacturing Range of Copper Nickel 70/30 Fasteners

Sizes Length Standards Threads Finish
M3 – M64 100 mm to 1000mm ASTM B151
DIN 931
DIN 934
ISO 7089		 Metric
BSW
BSF
UNF
UNC		 Plain
Polished
Passivation
Nickel Plated
Tinned

Cupro nickel 90/10 Stud Bolt Size Chart

NPS DIA bolts (in) Length (RTJ) Length (RF) Number of bolts
1/2 1/2 55 4
3/4 1/2 65 4
1 1/2 75 65 4
1 1/4 1/2 85 70 4
1 1/2 1/2 85 70 4
2 5/8 95 85 4
2 1/2 5/8 100 90 4
3 5/8 100 90 4
3 1/2 5/8 100 90 8
4 5/8 100 90 8
5 3/4 110 95 8
6 3/4 115 100 8
8 3/4 120 110 8
10 7/8 125 115 12
12 7/8 135 120 12
14 1 145 135 12
16 1 145 135 16
18 1.1/8 160 145 16
20 1.1/8 170 160 20
24 1.1/4 185 170 20

Cuni 70/30 Hex Nut Dimensions

Cuni 70/30 Hex Nut Dimensions
d m max. e min. s max.
M2 1.6 4.32 4
M2.5 2 5.45 5
M2.6 2 5.45 5
M3 2.4 6.01 5.5
M3.5 2.8 6.58 6
M4 3.2 7.66 7
M5 4 8.79 8
M6 5 11.05 10
M7 5.5 12.12 11
M8 6.5 14.38 13
M10 8 18.9 17
M12 10 21.1 19
M14 11 24.49 22
M16 13 26.75 24
M18 15 29.56 27
M20 16 32.95 30
M22 18 35.03 32
M24 19 39.55 36
M27 22 42.2 41
M30 24 50.85 46
M33 26 55.37 50
M36 29 60.79 55
M39 31 66.44 60
M42 34 71.3 65
M45 36 76.95 70
M48 38 82.6 75
M52 42 88.25 80
M56 45 93.56 85
M60 48 99.21 90
M64 51 104.86 95
M68 54 110.51 100
M72 58 116.16 105
M76 61 121.81 110
M80 64 127.46 115
M90 72 144.08 130
M100 80 161.02 145

UNS C70600 Washer Dimensions

UNS C70600 Washer Dimensions
Bolts Size B A C
Max Min
1/4" 5/16 3/4 0.08 0.051
5/16" 3/8 7/8 0.104 0.064
3/8" 7/16 1 0.104 0.064
7/16" 1/2 1-1/4 0.104 0.064
1/2" 9/16 1-3/8 0.132 0.086
9/16" 5/8 1-1/2 0.132 0.086
5/8" 11/16 1-3/4 0.16 0.108
3/4" 13/16 2 0.177 0.122
7/8" 15/16 2-1/4 0.192 0.136
1" 1-1/16 2-1/2 0.192 0.136
1-1/8" 1-1/4 2-3/4 0.192 0.136
1-1/4" 1-3/8 3 0.192 0.136
1-3/8" 1-1/2 3-1/4 0.213 0.153
1-1/2" 1-5/8 3-1/2 0.213 0.153

Copper nickel fasteners sizes

Type Sizes
Hex bolts & screws M3 – M36 (or 1/8" – 1.5")
Hex Nuts M3 – M36
Washers (plain, spring) M3 – M64
Threaded rods Up to M42 or 2" diameter
Stud bolts Up to 2” diameter
Set screws M3 – M20
Socket head screws M3 – M24
Machine screws M1.6 – M12

Types of Copper nickel Bolts

Cu-Ni bolts

Cu-Ni bolts

90-10 copper-nickel hex bolts

90-10 copper-nickel hex bolts

Cupro-Nickel CDA 706 square bolts

Cupro-Nickel CDA 706 square bolts

Cupro Nickel heavy hex bolt

Cupro Nickel heavy hex bolt

70/30 Copper Nickel eye bolts

70/30 Copper Nickel eye bolts

cuni 70/30 anchor bolts

cuni 70/30 anchor bolts

Types of Copper nickel Nuts

ASTM F468 UNS C71500 nuts

ASTM F468 UNS C71500 nuts

90/10 Copper Nickel hex nuts

90/10 Copper Nickel hex nuts

Cu Ni 70 30 heavy hex nuts

Cu Ni 70 30 heavy hex nuts

Copper nickel 2.0872 lock nut

Copper nickel 2.0872 lock nut

cuni flange lock nut

cuni flange lock nut

ASME SF468 copper nickel square nut

ASME SF468 copper nickel square nut

Types of Copper nickel Screws

90/10 Cupro Nickel screw

90/10 Cupro Nickel screw

Copper Nickel socket head cap screw

Copper Nickel socket head cap screw

ASTM F468 copper nickel self tapping screws

ASTM F468 copper nickel self tapping screws

CDA 715 self drilling screws

CDA 715 self drilling screws

ASTM F468 UNS C70600 hex cap screws

ASTM F468 UNS C70600 hex cap screws

90 10 Cu Ni socket cap screws

90 10 Cu Ni socket cap screws

70 30 copper nickel machine screws

70 30 copper nickel machine screws

WNR 2.0872 wood screws

WNR 2.0872 wood screws

Types of Copper nickel Washers

Cu-Ni 70/30 washer

Cu-Ni 70/30 washer

WNR 2.0882 flat washer

WNR 2.0882 flat washer

Copper Nickel 90/10 plain washer

Copper Nickel 90/10 plain washer

cuni 90/10 countersunk washer

cuni 90/10 countersunk washer

Types of Copper nickel Studs

Copper Nickel 70/30 studs

Copper Nickel 70/30 studs

cupronickel stud bolt

cupronickel stud bolt

UNS C71500 threaded rod

UNS C71500 threaded rod

70/30 Cupro Nickel threaded stud

70/30 Cupro Nickel threaded stud

CDA 706 double end stud bolts

CDA 706 double end stud bolts

UNS C70600 fully threaded studs

UNS C70600 fully threaded studs

Application of UNS C71500 heavy hex nuts

  • Desalination Plants
  • Chemical industry
  • Petrochemical industry
  • Pharmaceutical
  • Shipbuilding
  • Oil and Gas Industry
  • Offshore Environments
  • Marine Industry
Application of UNS C71500 heavy hex nuts

Exporter of DIN 2.0882 Washer in below contries

Country Transit Time
UAE 3–5 days
Singapore 7–10 days
Europe 20–30 days
Australia 20–30 days
South Africa 15–20 days
Brazil 30–40 days

Industrial Products

Types

Why Choose Us

  • If you are looking for Supplier and Exporter of Industrial Fasteners in Indonesia, Kenya, Saudi Arabia, Malaysia and Colombia contact us.
  • We keep ready stock of construction fasteners in size range of M6 to M36
  • Leading Stockist of automative fasteners in different types and threads
  • We supply coated fasteners with EN 10204 type 3.1 certificate
  • Get special 10% discount on large orders of marine fasteners
  • We have strongest supply network for mechanical fasteners which we manufacture in various standards such as ANSI, ISO, DIN, ASTM, SAE, JIS
  • Contact us to get a catalogue, client list and certificates
  • We are a manufacturer of hex bolts and nuts with an annual production capacity of 200,000 tonnes in different grades such as Hastelloy, Monel, Inconel, Titanium and Stainless Steel.
  • Special Price for steel fasteners Wholesalers, Importer, Stockholder and Stockist in Oman, Qatar and Eygpt
  • We manufacture black fasteners according to ISO 9001:2015 and PED standards
  • Our Steel Fasteners are widely used in Marine Industry, High pressure application and Construction industry

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