| Alloy | Chemical Composition | ||||
| QB | JIS /ASTM | Cu | P | O | Other |
| T2 | JIS C1100 | 99.9 | 0.015-0.040 | - | balance |
| TU | ASTM C10300 | 99.95 | 0.001-0.005 | - | balance |
| TP1 |
JIS C1220 ASTM C12200 |
99.9 | 0.004-0.012 | - | balance |
Mechanical Property
| Grade(China) | Grade(Japan) | Temper | Vickers Hardness (HV) | Tensile strength(Mpa) | Elongation(%) |
| T2/T3/TP1/TP2 |
C11000/C1201 C1220.etc. |
M | - | ≥290 | ≥40 |
| Y4 | 75-125 | 325~410 | ≥35 | ||
| Y2 | 85-145 | 340~460 | ≥25 | ||
| Y | 105-175 | 390~530 | ≥13 | ||
| T | - | ≥490 | - |
Surface
| 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. |
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