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C12200， Japanese brand C1220, Chinese brand TP2
Because phosphorus is added to the composition, it is more suitable for welding products.
C12200 ultra wide and ultra long medium thick plate is used to make wine equipment. Thin strips are used for water pipe welding, and copper strips are also used for cable products. Air conditioning pipe welding pipes are also commonly of the C12200 brand.
Also affected by phosphorus, C12200 has a conductivity of over 79%. For customers with high conductivity requirements, C12000 or C10300 grades can be used, which not only have welding function but also have conductivity.
| GB | ISO | ASTM | JIS |
| TU1 | Cu-OF | C10200 | C1020 |
| T2 | Cu-ETP | C11000 | C1100 |
| TP1 | Cu-DLP | C12000 | C1201 |
| TP2 | Cu-DHP | C12200 | C1220 |
| GB | Composition(%) | ||||
| Cu | P | O | Other | ||
| TU1 | 99.97 | 0.002 | less than 0.002 | balance | |
| T2 | 99.9 | – | – | balance | |
| TP1 | 99.9 | 0.004-0.012 | – | balance | |
| TP2 | 99.9 | 0.015-0.040 | – | balance | |
| ASTM | Composition(%) | ||||
| Cu | P | O | Other | ||
| C10200 | 99.95 | 0.001-0.005 | – | balance | |
| C11000 | 99.9 | – | – | balance | |
| C12000 | 99.9 | 0.004-0.012 | – | balance | |
| C12200 | 99.9 | 0.015-0.040 | – | balance | |
| Grade（China） | Grade（Japan） | Temper | Thickness/mm | Tensile Strength Rm(N/mm2) | Elongation A1 1.3% | Hardness HV |
| T2 T3 TU1 TU2 TP1 TP2 | C1100 C1020 C1220 | O60 | more than 0.15 | no less than 195 | no less than 30 | no less than 70 |
| H01 | 215-295 | no less than 25 | 60-95 | |||
| H02 | 245-345 | no less than 8 | 80-110 | |||
| H04 | 295-395 | no less than 3 | 90-120 | |||
| H06 | no less than 350 | no less than 110 |
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