Copper-nickel alloys

Grades, composition and application of copper-nickel alloys

Table 3

Alloy grade according to current standard according to ST SEV 378-76 Al Fe Mn Zn Ni+
Co
Cu Fe Si Mg Mn Cu Pb C S
Melchior MNZHMz30-1-1 CuNi30Fe1Mn - 0,5- 1 0,5- 1 - 29- 33 Ost. - 0,15 - - - 0,05 0,05 0,01
Alloy MNZH5-1 CuNi5Fe1Mn - 1,0- 1,4 0,3- 0,8 - 5,0- 6,5 Ost. - 0,15 - - - 0,005 0,03 0,01
Melchior MN19 CuNi19 - - - - 18- 20 Stop. 0,5 0,15 0,05 0,3 - 0,005 0,05 0,01
Alloy TB МН16 - - - - - 15,30- 16,30 Stop. 0,05 0,002 0,05 - - 0,002 0,03 0,002
Neusilber MNZ15-20 CuNi15Zn21 - - - 18,0- 2,0 13,5- 16,5 Awning. 0,3 0,15 0,05 0,3 - 0,020 0,03 0,005
Cunial A MNA13-3 - 2,3- 3,0 - - - 12- 15 Awning. 1,00 - - 0,5 - 0,002 - -
Kunial B MNA6-1.5 - 1,2- 1,8 - - - 5,50- 6,50 Awning. 0,5 - - 0,2 - 0,002 - -
Manganine MNMZ-12 - - - 11,50- 3,50 - 2,50- 3,50 Stop. 0,5 0,10 0,03 - - 0,020 0,05 0,02
- MN25 CuNi25 - - - - 24,0- 26,0 Awning. 0,5 - - 0,5 - 0,005 0,05 0,01
- MNZHMz10-1-1 CuNi10 Fe1Mn - 1,0- 2,0 0,3- 1,0 - 9,0- 11,0 Ost. - - - - - 0,03 0,03 0,03
- MNTS12-24 CuNi12 Zn24 - - - Ост. 11,0- 13,0 62,0- 66,0 0,3 - - - - 0,05 - -
- MNZ18-27 CuNi18 Zn27 - - - Ост. 17,0- 19,0 53,0- 56,0 0,3 - - 0,5 - 0,05 - -
- CUNI18-20 CuNi18 Zn20 - - - Ост. 17,0- 19,0 60,0- 64,0 0,3 - - 0,5 - 0,03 - -

Continued Table 3

H-alloy designation according to this standard according to ST SEV 378-76 P Bi As Sb Zn Sn O Total Kind of product
Melchior MNZHMz30-1-1 CuNi30Fe1Mn 0,006 - - - - - - 0,9 Wire, strips, bands
Alloy MNZH5-1 CuNi5Fe1Mn 0,04 0,002 0,01 0,005 0,5 - - 0,6 Strips, strips, tubes
Melchior МН19 CuNil9 0,01 0,002 0,01 0,005 0,50 0,1 - 0,7 Sheets, pipes, bars
Alloy TB МН16 - 0,002 0,002 0,002 0,002 0,3 1,5 Ribbons, strips, bars, tubes
Neusilber MNZ15-20 CuNi15Zn21 0,005 0,002 0,01 0,002 - - - 0,2 Wire
Kunial A MNA13-3 - - - - - - - - 0,9 Strips, bands, tubes, rods, wires
Kunial B MNA6-1,5 - - - - - - - - 1,9 Rods
Manganese MNMZ-12 - 0,005 0,002 0,005 0,002 - - - 1,1 Strips
- MN25 CuNi25 - - - - - - - 0,9 Sheets, wire
- MNZHMz10-1-1 CuNi10Fe1Mn - - - - 0,3 - - 1,3 Sheets, strips, bands, bars, tubes
- MNTS12-24 CuNi12 Zn24 - - - - 0,3 - - 0,5 Tubes
- CUNI18-27 CuNi18 Zn27 - - - - - - - 0,6 Sheets, strips, bands, bars, profiles, pipes, wire
- CUNI18-20 CuNi18Zn20 - - - - - - - 0,6 Same

Continuation of table 3

Alloy name according to this standard According to ST SEV 378-76 Al Fe Mn Zn Ni+
Co
Copper Ti Pb Si Fe Si Mg Mn Cu
Manganine MNMCAZZ -12-0,3-0,3 - 0,2- 0,4 0,2- 0,5 11,5- 13,5 - 2,5- 3,5 Ost. - - - - - - - -
Alloy TP MN0.6 - - - - - 0,57- 0,63 Ost. - - - 0,005 0,002 - - -
Monel NMJMC28- 2.5-1.5 - - 2- 3 1,2- 1,81 - Aux. 27- 29 - - - - 0,05 0,1 -
Alloy MN95-5 - - - - - 4,4- 5 Ost. - - - 0,2 - - - -
Lead nesilver MNTS16 -29-1,8 - - - - Ost. 15- 16,5 51- 55 - 1,6-2,0 - - - - - -
Alloy MNZHKT5- 1-0,2-0,2 - - 1,0- 1,4 0,3- 0,8 - 5-6,5 Ost. 0,1- 0,3 - 0,15- 0,3 - - - - -

Continued Table 3

Alloy name according to this standard According to ST SEV 378-75 Pb C S P Bi As Sb Zn Sn O Total Type of product
Manganine MNMzzAZhZ- 12-0,3-0,3 - - - - - - - - - - - 0,4 Wire
alloy TP MNO, 6 - 0,005 0,002 0,005 0,002 0,002 0,002 0,002 - - - 0,10 Wire
Monel NMZhMz28- 2,5-1,5 - 0,002 0,2 0,01 0,005 0,002 0,010 0,002 - - - 0,60 Sheets, strips, bands, wire
Alloy MN95-5 - 0,01 0,03 0,01 0,02 0,002 0,01 0,005 - - 0,1 0,5 Sheets, pipes, rods
Lead nesilver MNTS16- 29-1,8 - - - - - - - - - - - 1,0 Strips
Alloy MNZHKT5- 1-0,2-0,2 - 0,005 -0,03 - - - - 0,5 - - 0,7 Wire

Notes:

1.By agreement with the customer in the alloy MNZHMZO-1-1 carbon impurity up to 0.03%.
2.For alloys MN19, MN25, MNG5-1, MNTs12-24, MNTs15-20, MNTs18-20, MNTs18-27, MNGMZU-1-1, MNGMZO-1-1 due to an admixture of nickel allowed up to 0.5% of cobalt.
3. By agreement with the customer, alloys MNh25, MNZhMcu-1-1, MNZh12-24, MNZh18-27 MNZ18-20 may contain impurities of bismuth, silicon, magnesium, arsenic, tin, antimony, phosphorus.
4 By agreement with the customer the alloys MN19, MNTs15-20, MNZHMZO-1-1 may contain tin.
5.Properties of alloy grades, similar to ST SEV378-76, can be found in Annex 2


(Revised edition, Revision 1, 2, 3, 4).

Grades, chemical composition and purpose of copper-nickel alloys

3. In melchior for minting coins, admixture of manganese or iron more than specified in Table 3 is permitted, but in the total not more than 1,3%. The following impurities may be allowed in melchior for production of special purpose bands: manganese up to 0.01%, magnesium up to 0.01%, silicon up to 0.15%, iron up to 0.3%, but in the total of all impurities - up to 0.6%.

4.In MNMz 40-1.5 constantan for electronic equipment, zinc percentage up to 0.03

Annex 1 (deleted. Revision № 1)

Appendix 2

Reference

Basic qualities GOST 492-73 ST SEV 378-76
MN19 CuNi19 Well welded, corrosion-resistant, poorly deformed in the cold state,
MN25 CuNi25 Good weldability, corrosion-resistant, wear-resistant. Poorly deforms under cold condition,
MNZH5-1 CuNi5Fe1Mn Easily deformed in cold condition, Corrosion resistant.
CuNi10Fe1Mn CuNi10Fe1Mn Cold workable, corrosion resistant and good for welding.
CuNZMZO-1-1 CuNi30Fe1Mn High erosion and corrosion resistance, good weldability
CUNI15-20 CUNI18-20 CuNi15Zn21 CuNi18Zn20 Easily deformed in cold state, corrosion resistant, good spring properties
CUNI12-24 CUNI18-27 CuNi12Zn24 CuNi18Zn27 Easily deforms in cold state, good spring properties

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