Copper Nickel 70/30 Screws, Hex Cap Screws, Set Screws, Countersunk/Socket Head Cap Screws, Full Thread, DIN 933/912/7991, ISO 4017/4762, ASME B18.3/B18.2.1/B220.127.116.11M/B18.5, Inch, Metric Threads
Copper Nickel 70/30 Screws are screw manufactured from copper alloy with additions of 30% nickel and other strengthning elements like iron and manganese. Cupro Nickel 70/30 Set Screw have excellent resistance to stress corrosion, erosion, and biofouling in seawater and brackish water. TorqBolt is an eminent Copper Nickel 70/30 screw supplier in India.
ASTM B151, F468 Alloy 71500
ASME SB151 / SF468 Alloy 71500
DIN 17660, 17664, 17666
– Finish: Pickling and Passivation
– Marking: TorqBolt C71500
– Type: Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
|Dimensions||DIN 933/912/7991, ISO 4017/4762, ASME B18.3/B18.2.1/B18.104.22.168M/B18.5|
|Threads||Unless otherwise specified, the threads shall be rolled or cut at the option of TorqBolt|
|Threads Configuration||ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads|
|Melt Origin||East Europe/South America/Korea/Japan|
|Product Origin||Made in India|
|Certification||Dual Certified As per ASTM & ASME Codes|
|Additional Certifications||PED 97/23/EC Certified, Merkblatt AD 2000 W6 Certified|
|Additional Requirements||NACE MR0103/MR0175/ISO 15156 Compliance|
|Mandatory Requirements||Free from Mercury & Radioactive Contamination|
CuNi Alloy 70/30 Screws Specification
Copper Nickel 70-30 is a high content resistant to corrosion at elevated high temperatures due to presence of nickel oxide at high temperature. Alloy 70-30 is extremely used in offshore industries.
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TorqBolt is a well known stockist of Pitch Dia Copper Nickel 70/30 Round Bars from ¼ Inch to 4 inch & 6mm to 100mm in 1 meter, 3 meter & 6 Meter lengths. All Threaded Bars are Magnetic Particle Examined in accordance with ASTM E 709 with Indications & Cracks within 3% of The Diameter.
Cuprothal is a registered trademark of Kanthal, a Sandvik Materials Technology Company.
Raw Material Specifications: ASTM A276, A182, A240, A493, B98, B564, B637, B473, and A582 are noted for information only by American Society of Mechanical Engineers and American Society of testing and materials as suitable sources of material for the manufacture of bolts, hex cap screws, studs and washers, springs, forgings and flanges to the respective specification.