Straight Series
|
|||||
Nominal Diameter
|
S16
|
S25
|
|||
DN
(mm)
|
Tolerance (mm)
|
Wall Thickness (mm)
|
PN
(Mpa)
|
Wall Thickness
(mm)
|
PN
(Mpa)
|
32
|
+0.3
|
—
|
—
|
3.0
|
1.3
|
40
|
+0.4
|
—
|
—
|
3.0
|
1.1
|
50
|
+0.5
|
—
|
—
|
3.0
|
0.8
|
63
|
+0.6
|
—
|
—
|
3.0
|
0.7
|
75
|
+0.7
|
—
|
—
|
3.0
|
0.5
|
90
|
+0.8
|
—
|
—
|
3.5
|
0.5
|
110
|
+0.8
|
—
|
—
|
4.2
|
0.5
|
125
|
+0.9
|
—
|
—
|
4.8
|
0.5
|
160
|
+1.0
|
—
|
—
|
6.2
|
0.5
|
200
|
+1.1
|
6.2
|
0.4
|
7.7
|
0.5
|
250
|
+1.3
|
7.8
|
0.4
|
9.6
|
0.5
|
315
|
+1.5
|
9.8
|
0.4
|
12.1
|
0.5
|
Coil Series
|
|||||
Nominal Diameter
|
S16
|
Length: M/Roll
|
|||
DN
(mm)
|
Tolerance
(mm)
|
Wall Thickness
(mm)
|
PN
(Mpa)
|
||
32
|
+1.4
|
3.0
|
1.3
|
50, 100, 200, 300, 500
|
|
40
|
+1.5
|
3.0
|
1.1
|
||
50
|
+1.6
|
3.0
|
0.8
|
50, 100, 200
|
|
63
|
+1.7
|
3.0
|
0.7
|
50, 100
|
Project
|
Requirement
|
Longitudinal reversion(110℃)
|
≤3% No delamination, cracking and blistering
|
MFR
(5kg, 190℃)/(g/10min)
|
0.2≤MFR≤1.1
The MFR difference between the raw material particles should not exceed 0.2
|
Oxidation induction time
(200℃/min)
|
≥20
|
Hydrostatic strength test
(80℃, 165h, 4.6Mpa)
|
No broken, no leakage
|
Ring stiffness (KN/m3)
Only for the pipes with a “BD” represents
|
SR≥4
|
Combustion toxicity index
|
≤1
|