Grade C72700
Old Grade
Corresponding Standard ASTM B740-2009(R2015)
Copper-Nickel-Tin Spinodal Alloy Strip
Classification Copper and Copper Alloys
C72700 Chemical Element Composition Content (%)
Component Fe Mn Ni Nb Pb * Zn Sn Mg More
Minimum Value - 0.05 8.5 - - - 5.5 - Cu:余量
Maximum Value 0.5 0.3 9.5 0.1 0.02 0.5 6.5 0.15
C72700 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Strip Solution (TB00) 410~550 0.05% offset
160~230
≥30
Strip Solution + cold working 1/4 hard (TD01) 500~660 0.05% offset
330~440
≥12
Strip Solution + cold working 1/2 hard (TD02) 570~740 0.05% offset
390~550
≥6
Strip Solution + cold working hard (TD04) 670~860 0.05% offset
530~690
≥3
Strip solution HT and Cold Worked Spring(TD08) 760~970 0.05% offset
660~790
≥2
Strip solution HT and Cold Worked Special Spring(TD12) 790~1030 0.05% offset
720~860
-
Strip Spinodally HT(TX00) 690~900 0.05% offset
380~680
≥15
Strip 1/4 Hard+Spinodal HT(TS01) 790~970 0.05% offset
590~770
≥10
Strip 1/2 Hard+Spinodal HT(TS02) 860~1030 0.05% offset
690~850
≥6
Strip Hard+Spinodal HT(TS04) 930~1100 0.05% offset
790~930
≥4
Strip Spring+Spinodal HT(TS08) 1000~1230 0.05% offset
860~1030
≥3
Strip Special Spring+Spinodal HT(TS12) 1030~1240 0.05% offset
900~1100
≥2

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!