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Home Material JIS H 3100-2018
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Grade C2680
Other Names
Corresponding Standard JIS H 3100-2018
Copper and copper alloy sheets, plates and strips
Classification Copper and Copper Alloys
Properties Corrosion Resistance Machinability
C2680 Chemical Element Composition Content (%)
Component Fe Cu Pb More
Minimum Value - 64 - Zn：余量
Maximum Value 0.05 68 0.05
C2680 Mechanical Properties
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Plates (P), strips (R, RS); 0.1≤t<0.3 C2680 P-O,C2680 R-O,C2680 RS-O Annealing (O) ≥275 ≥35 -
Plate (P); 0.3≤t≤30 C2680 P-O Annealing (O) ≥275 ≥40 -
Strip (R, RS); 0.3≤t≤3 C2680 R-O,C2680 RS-O Annealing (O) ≥275 ≥40 -
Plates (P), strips (R, RS); 0.1≤t<0.3 C2680 P-1/4H,C2680 R-1/4H,C2680 RS-1/4H 1/4 Hard (1/4H) 325~420 ≥30 HV*
75~125
Plate (P); 0.3≤t≤30 C2680 P-1/4H 1/4 Hard (1/4H) 325~410 ≥35 75~125
Strip (R, RS); 0.3≤t≤3 C2680 R-1/4H,C2680 RS-1/4H 1/4 Hard (1/4H) 325~410 ≥35 75~125
Plates (P), strips (R, RS); 0.1≤t<0.3 C2680 P-1/2H,C2680 R-1/2H,C2680 RS-1/2H 1/2 Hard (1/2H) 355~450 ≥23 *
85~145
Plates (P); 0.3≤t≤20 C2680 P-1/2H 1/2 Hard (1/2H) 355~440 ≥28 85~145
Strip (R, RS); 0.3≤t≤3 C2680 R-1/2H,C2680 RS-1/2H 1/2 Hard (1/2H) 355~440 ≥28 85~145
Plates (P), strips (R, RS); 0.1≤t<0.3 C2680 P-3/4H,C2680 R-3/4H,C2680 RS-3/4H 3/4 Hard (3/4H) 375~490 ≥10 *
95~165
Plates (P); 0.3≤t≤20 C2680 P-3/4H 3/4 Hard (3/4H) 375~490 ≥20 95~165
Strip (R, RS); 0.3≤t≤3 C2680 R-3/4H,C2680 RS-3/4H 3/4 Hard (3/4H) 375~490 ≥20 95~165
Plates (P); 0.1≤t≤10 C2680 P-H Hard (H) 410~540 - *
105~175
Strip (R, RS); 0.1≤t≤3 C2680 R-H,C2680 RS-H Hard (H) 410~540 - *
105~175
Plates (P); 0.1≤t≤10 C2680 P-EH Extra Hard (EH) 520~620 -- 145~195
Strip (R, RS); 0.1≤t≤3 C2680 R-EH,C2680 RS-EH Extra Hard (EH) 520~620 - 145~195
Plates (P); 0.1≤t≤10 C2680 P-SH Spring Hardening (SH) 570~670 - 165~245
Strip (R, RS); 0.1≤t≤3 C2680 R-SH,C2680 RS-SH Spring Hardening (SH) 570~670 - 165~245
Plates (P); 0.1≤t≤10 C2680 P-ESH Extreme Spring Hardening (ESH) ≥620 - ≥180
Strip (R, RS); 0.1≤t≤3 C2680 R-ESH,C2680 RS-ESH Extreme Spring Hardening (ESH) ≥620 - ≥180
1 Approximate Comparison Table Brass
China Japan United States International Organization for Standardization Russia United Kingdom
GB JIS ASTM UNS ISO Numerical Grade GOST Commercial Grade BS EN/BS
H66 C2680 66Cu-34Zn C26800 CuZn34 C26800 Л66 CZ107 C26800
2 Approximate Comparison Table Copper and Copper Alloy
Japan Germany France European Standard Russia
JIS DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST
C2680 CuZn33 2.0280 CuZn33 CuZn33 CW506L L68

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