Alloy Cuni 90-10

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ALLOY CuNi 90/10
Designation and Specifications USA Designation , UNS ASTM (B) ASME (SB) GB F D Designation , BS BS AFNOR Designation Werkstoff-Nr. DIN Sheet/strip C 70600 122, 171, 402 CN 102 2870/2875
CuNi 10 Fe 1 Mn CuNi10FelMn

Tube/pipe 466/467/111 CN 102 2871

Rod/bar 151 CN 102 2874

SEW AD data Sheet Chemical composition (%) Copper Nickel Iron Maganese Zinc Others Mechanical properties (N/mm2, %) Temperature (oC) 20 100 200 300 350 Creep properties (N/mm2) Temperature (oC) 100 200 250 300 350 Physical properties at room temperature or as indicated Density g/cm3 Specific heat J/kg K Thermal conductivity W/m K Electrical resistivity µ Ω cm Thermal expansion 10-6/K 20-300 oC Modulus of elasticity kN/mm2 Fabrication characteristics Formability Weldability Welding products Filler wire Covered electrode

2.0872 17664 17670/17675 W6/2 Balance 9 - 11 1 – 1.8 0.5 – 1 Rp 0.2 min. 100 Rp 1.0/104 98 88 74 -

17664 17671/1785 -

17664 17672 -

Rp 1.0 min. 125 min. 118 min. 109 min. 99 Rm /104 -

Rm min. 300 Rp 1.0/105 94 83 62 -

A5 min. 30 Rm105 -

8.9 380 45 19 17.0 130 Good Good Cunifer S 7030 – FM 67 or Cunifer S 9010 2.0838 EL-CuNi30Mn AWS ECuNi

Material description, main characteristics Copper-nickel alloy with approx. 10% nickel and iron and manganese additions. Very good resistance to seawater and to brackish and industrial waters. Excellent resistant to flowing clean seawater (flow velocities from 1 to 3.5 m/s). good resistance to stress corrosion cracking. Typical applications Seawater piping systems on ships as well as on offshore oil and gas production platforms . seawater intake pipes into desalination plants, coastal power stations and refineries. Condensers and heat exchangers in power stations, refineries and seawater desalination plants. Cunifer 10 is alos user for the sheating of oil and gas production platform columns in the splash zone.

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