Grade | Main composition | Others | ||||||
Japan | America | Cu | Ni | Zn | Fe | Al | Pb | Mn |
C7521 | C75200 | 64.5-66.5 | 16.5-19.5 | Allowance | -- | -- | -- | -- |
C7701 | C77000 | 53.5-56.5 | 16.5-19.5 | Allowance | -- | -- | -- | -- |
Grade | State | Tensile strength(MPa) | Extensibility (%) | Vivkers hardness(HV) | Bending angle | Bending radius |
C7521 | O | ≥375 | ≥20 | -- | 180 degree | bending 108 degree |
1/2H | 400-570 | ≥5 | 120-180 | 180 degree or W | thickness*1 | |
H | ≥540 | ≥3 | ≥150 | 180 degree or W | thickness*2 | |
C7701 | 1/2H | 540-655 | ≥8 | 150-210 | 180 degree or W | thickness*1.5 |
H | 630-735 | ≥4 | 180-240 | 180 degree or W | thickness*2 | |
EH | 705-805 | -- | 210-260 | 90 degree | thickness*3 | |
SH | 765-865 | -- | 230-270 | -- | -- |
Surface Finish | Definition | Application |
2B | Those finished, after cold rolling, by heat treatment, picking or other equivalent treatment and lastly by cold rolling to given appropriate luster. | Medical equipment, Food industry,Construction material, Kitchen utensils. |
BA | Those processed with bright heat treament after cold rolling. | Kitchen utensils, Electric equipment, Building construction. |
NO.3 | Those finished by polishing with No.100 to No.120 abrasives specified in JIS R6001. | Kitchen utensils, Building construction. |
NO.4 | Those finished by polishing with No.150 to No.180 abrasives specified in JIS R6001. | Kitchen utensils, Building construction, Medical equipment. |
HL | Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. | Building construction. |
NO.1 | The surface finished by heat treament and picking or processes corresponding there to after hot rolling. | Chemical tank, pipe. |
Dongguan Dechuang Hardware Co.;Ltd
1. Founded in 2003 ,Focused on Metal Raw Material over 15 Years Customized Experience.
2. Fast Delivery Time :3-5 days ( Standard Size ).
3. Mass Stock:5000 M2 Warehouse and 2 Factories.
4. 5 sets of professional equipment to ensure quality
5. Acquired the Certificates of ISO,TUV,ROSH,REACH and Other Relevant Classifications.