Strictly in accordance with GB / T 2059-2000, the standard for enterprise products with the chemical composition of copper, size deviation, mechanical properties, test, packaging and storage;
1, with the chemical composition of materials produced by the national standard should meet the national standard GB/T5121-1996. According to European environmental standards for production, will lead (Pb) content control in less than 0.008%, and the remaining ingredients in accordance with the relevant standards.
|
Level |
Cu+Ag （%）Not less than |
Chemical composition,% not more than |
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|
Fe |
Pb |
P |
Zn |
Ni |
||
|
High standard grade |
99.95 |
0.005 |
0.005 |
0.002 |
0.003 |
0.002 |
|
Level of internal control |
99.90 |
0.009 |
0.008 |
0.004 |
0.005 |
0.002 |
|
Note: The data presented in this table the maximum impurities and other impurities to ensure compliance with this standard. |
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2, Dimensions and tolerances
2。1 The thickness and width tolerance
|
Thickness |
Thickness tolerance (less than) |
Width tolerance (less than) |
|
|
Accuracy of internal control |
Fine cut |
Rough cut |
|
|
0.10—0.20 |
0.015 |
0.15 |
0.2 |
|
0.21—0.4 |
0.015 |
0.15 |
0.2 |
|
0.4—0.50 |
0.020 |
0.15 |
0.2 |
|
0.51—0.80 |
0.025 |
0.15 |
0.2 |
|
0.81—1.00 |
0.030 |
0.15 |
0.2 |
|
1.01—1.2 |
0.035 |
0.15 |
0.2 |
|
1.21—1.5 |
0.04 |
0.15 |
0.2 |
|
1.51—2.0 |
0.045 |
0.15 |
0.2 |
Note: a), tolerances are not specified in the task single case of internal control in accordance with the negative bias and precision production, testing;
b), precision cutting tool relative to the fixed cutting edge lining, rough cutting tool relative to the activities lined cutting edge;
2.2 Plate-type roughness
|
Thickness, mm |
Roughness, mm / m is not greater than |
|
0。1~0。5 |
10 |
|
0.5~1.2 |
5 |
2.3 The curvature of the side strip
|
Width, mm |
Side bending, mm / m is not greater than |
|
≤50 |
5 |
|
＞50~100 |
4 |
|
＞100~500 |
3 |
3 Mechanical Properties
3。1 The physical performance standards
|
Trademark |
Status |
Tensile strength (MPa) |
Elongation |
Vickers hardness |
|||
|
Internal control |
GB |
Internal control |
GB |
Internal control |
GB |
||
|
C1100 (T2) |
Soft state |
245—265 |
≥205 |
≥40 |
≥30 |
50—70 |
-- |
|
Soft state of semi-hard |
255—270 |
215—275 |
≥30 |
≥25 |
65—95 |
55—100 |
|
|
Semi-hard state |
260—320 |
245—345 |
≥15 |
≥8 |
85—105 |
75—120 |
|
|
More rigid state of semi-hard |
280—330 |
270—380 |
≥8 |
≥6 |
90—110 |
75—120 |
|
|
Hard(Y) |
310—380 |
≥295 |
≥3 |
≥3 |
100—120 |
≥80 |
|
|
Special hardware(TY) |
≥350 |
-- |
≥3 |
-- |
≥115 |
-- |
|
3.2 0.4 The following mechanical properties of soft-state strip (punch test standard)
|
Punch radius |
Standard |
Thickness |
|||
|
0.13—0.18 |
0.19—0.30 |
0.31—0.40 |
0.4More |
||
|
|
Internal control |
≥8.5 |
≥9.2 |
≥9.4 |
Only tensile test |
|
|
GB |
≥7.5 |
≥8.0 |
≥9.0 |
Only tensile test |
