Mã số: JIS H3300

COPPER AND COPPER-ALLOY TUBE SEAMLESS PIPES

* CHEMICAL COMPOSITION

* TEMPER DESIGNATION: O60 (SOFT ANNEALED), O50 (LIGHT ANNEALED)

* LENGTH: 0 - 6.1M
* TOLERANCES ON AVERAGE DIAMETER OF COPPER TUBE FOR ORDINARY
PIPING
TABLE 1: Tolerances on wall thickness (special grade)

Remark:
1: When the tolerance is specified by only either plus or minus side, the value in Table 1 shall be doubled.
2: When the inside diameter is specified, Table 1 shall be so applied that the outside diameter equals the inside
diameter plus twice the wall thickness.
3: The applicable tolerances for tubes having a dimension exceeding the range of specified dimensions shall be
those for common grade.
TABLE 2: Tolerances on wall thickness (common grade)

Remark:
1: When the tolerance is specified by only either plus or minus side, the value in Table 2 shall be doubled.
2: When the inside diameter is specified, Table 2 shall be so applied that the outside diameter equals the inside
diameter plus twice the wall thickness.
3: The tolerances for tubes having a dimension exceeding the range of specified dimensions shall be
as agreed upon between the purchaser and supplier.