Products   Technical Specifications For 70 / 30 Cupro Nickel Tubes   STANDARD BS 2871 PART 3 ASTM B111 DIN 1785 NFA 51 102 JIS H3300 IS 1545 SYMBOL CZ 107 C  71500 CuNi 30 Mn 1Fe CuNi 30 Mn 1Fe C 7150 CuNi 30 Mn 1Fe Cu REM’DER REM’DER REM’DER REM’DER REM’DER REM’DER Pb 0.01 0.05 0.03 0.05 Sn+Pb 0.05 0.05 Ni 30.0-32.0 29.0-33.0 30.0-32.0 29.0-32.0 29.0-33.0 29.0-33.0 Fe 0.40-1.0 0.40-1.0 0.40-1.0 0.4-0.7 0.4-0.7 0.40-1.0 Mn 0.50-1.5 1.0 0.5-1.5 0.5-1.5 0.2-1.0 0.50-1.0 Zn - 1.0 0.5 0.5 0.5 0.5 S 0.08 - 0.05 0.02 - - C 0.06 - 0.05 0.06 - - TOTAL IMPURITIES MAX.     - Cu+Ni+Fe 0.3 - 0.3 0.1 +Mn 0.3 - - - -  99.5 Min CONDITION --                    M 061 F37 - - O O HR 50 F42   O D YIELD STRENGTH N /MM 2 - 125 Min. 120-220 - - - - 345 Min. 150-260 - - - - - - - - - TENSILE    N / MM2 Minimum - 360 370 - 363 360 - 495 420 - - 480 - - - - - - ELNG’TION Percent (%) Minimum - 12/15* 35 - 30 - - - 30 - - - - - - - - - HARDNESS HV 5 150 - - 90-130 - 115 Max. 90-120 - -     140 Min.  GRAIN SIZE mm (75X) - - - 0.010-0.045 0.010-0.045 - 0.05 Max. - - - - -

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