Technical Specification:
The serial spiral grooves on the outer surface of the copper tube make
the inner cross-section vary periodically. Such tube has low pressure drops.
Application:
Technical Specification:
外径Outside Diameter
|
名义壁厚允许偏差Tolerances of Wall Thickness(±)
|
平均外径Average O.D
|
允许偏差Tolerances(±)
|
0.35
|
0.41
|
0.5
|
0.6
|
0.7
|
0.75
|
0.8
|
1.0
|
1.2
|
12.7
|
0.05
|
-
|
0.05
|
0.05
|
0.05
|
0.06
|
0.06
|
0.06
|
0.08
|
0.08
|
15.88
|
0.06
|
-
|
-
|
-
|
0.06
|
0.06
|
0.06
|
0.08
|
0.08
|
0.10
|
18
|
0.06
|
-
|
-
|
-
|
0.06
|
0.06
|
0.08
|
0.08
|
0.10
|
0.10
|
19.05
|
0.06
|
-
|
-
|
-
|
-
|
0.07
|
0.08
|
0.08
|
0.10
|
0.12
|
Length of
Tolerances:
直管长度
Tube Length(mm)
|
允许偏差Tolerances
|
外径小于25(O.D<25)
|
外径大于25(O.D>25)
|
<600
|
0/+2
|
0/+3
|
600-1800
|
0/+3
|
0/+3
|
1800-4200
|
0/+6
|
0/+6
|
4200-10000
|
0/+10
|
0/+10
|
Mechanical Characteristic of Copper Tube:
状态
Temper
|
抗拉强度
Tensile Strength (Mpa)
|
延伸率
Elongation (%)
|
硬度
Hardness HR15T
|
晶粒度
Grain Size(mm)
|
硬Hard
|
>294
|
-
|
>100
|
-
|
半硬1/2Hard
|
245-314
|
-
|
80-100
|
-
|
轻拉1/4Hard
|
>206
|
>40
|
>65
|
<0.040
|
软Annealed
|
>206
|
>40
|
>60
|
0.015-0.060
|
|