中文版
Home Material JIS H 3130-2018
简体 | 繁體
Grade C7270
Other Names
Corresponding Standard JIS H 3130-2018
Copper beryllium alloy, copper titanium alloy, phosphor brozne, copper-nickel-tin alloy and nickel silver sheets, plates and strips for springs
Classification Copper and Copper Alloys
Properties High Elasticity Corrosion Resistance
C7270 Chemical Element Composition Content (%)
Component Fe Mn Ni Pb Sn More
Minimum Value - - 8.5 - 5.5 Cu:余量
Maximum Value 0.5 0.5 9.5 0.02 6.5
C7270 Mechanical Properties
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-O,C7270 R-O Annealing (O) 410~540 - ≥25 HV
90~160
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-1/4H,C7270 R-1/4H 1/4 Hard (1/4H) 510~620 - ≥10 145~220
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-1/2H,C7270 R-1/2H 1/2 Hard (1/2H) 590~695 - ≥4 180~240
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-H,C7270 R-H Hard (H) 685~835 - ≥2 210~270
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-EH,C7270 R-EH Extra Hard (EH) 735~885 - - 230~290
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-SH,C7270 R-SH Spring hardness (SH) 825~950 - - 250~310
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-O,C7270 R-O Annealing (O) ≥785 ≥510 ≥5 ≥240
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-1/4H,C7270 R-1/4H 1/4 Hard (1/4H) ≥885 ≥650 ≥2 ≥270
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-1/2H,C7270 R-1/2H 1/2 Hard (1/2H) ≥930 ≥720 ≥2 ≥285
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-H,C7270 R-H Hard (H) ≥980 ≥790 - ≥300
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-EH,C7270 R-EH Extra Hard (EH) ≥1030 ≥860 - ≥315
Plate (P), strip (R); 0.10≤t≤1.5 C7270 P-SH,C7270 R-SH Spring hardness (SH) ≥1080 ≥930 - ≥330
Plate (P), strip (R); 0.10≤t≤0.6 C7270 P-OM,C7270 R-OM OM 685~785 ≥370 ≥10 ≥200
Plate (P), strip (R); 0.10≤t≤0.6 C7270 P-1/4HM,C7270 R-1/4HM 1/4HM 725~835 ≥430 ≥5 ≥210
Plate (P), strip (R); 0.10≤t≤0.6 C7270 P-1/2HM,C7270 R-1/2HM 1/2HM 785~930 ≥510 ≥3 ≥230
Plate (P), strip (R); 0.10≤t≤0.6 C7270 P-HM,C7270 R-HM HM 835~980 ≥580 ≥3 ≥250
Plate (P), strip (R); 0.10≤t≤0.6 C7270 P-EHM,C7270 R-EHM EHM 930~1080 ≥720 ≥3 ≥280
Plate (P), strip (R); 0.10≤t≤0.6 C7270 P-XHM,C7270 R-XHM XHM ≥1060 ≥900 ≥3 ≥320

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