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Stainless steel composited pipe, Stailness steel lined pipe
Use Scope
Civil hot-cold water pipeline, Heat supply and Vapor pipeline, Chemical mediator transfer pipeline, Fire water supply pipeline…….and other.
Main Performance Parameters
NO. | Test Item. | Technical Requirements |
1 | Flattening test (DN>50mm) | Not happen welds crack. |
2 | Hydraulic test | According to the GB/T 241 standard. |
3 | Combination of strength test | Not less than 0.2MPa. |
4 | Hygiene test | According to the GB/T 17219 standard. |
Stainless Steel Lined Pipe Specifications
Nominal Diameter (DN) | Composit Pipe | Minimum thickness of Stainless steel layer | |||||
External Diameter (Dw) | Thickness (T) | Length | |||||
Diameter | Allowable Deviation | Thickness | Allowable Deviation | Length | Allowable Deviation | ||
15 | 21.3 | ±0.5% | 2.8 | ±12.5% | 6000 | +20 - 0 | 0.25 |
20 | 26.9 | 2.8 | 0.25 | ||||
25 | 33.7 | 3.2 | 0.25 | ||||
32 | 42.4 | 3.5 | 0.30 | ||||
40 | 48.3 | 3.5 | 0.35 | ||||
50 | 60.3 | ±0.75% | 3.8 | 0.35 | |||
65 | 76.1 | 4.0 | 0.40 | ||||
80 | 88.9 | 4.0 | 0.45 | ||||
100 | 114.3 | 4.0 | 0.50 | ||||
125 | 139.7 | 4.0 | 0.50 | ||||
150 | 168.3 | 4.5 | 0.60 | ||||
200 | 219.1 | ±% | 5.0 | 0.70 | |||
250 | 273.0 | 6.0 | 0.80 | ||||
300 | 323.9 | 7.0 | 0.90 | ||||
350 | 377.0 | 8.0 | 4000~9000 | 1.00 | |||
400 | 426.0 | 8.0 | 1.20 | ||||
450 | 480.0 | 8.0 | 1.20 | ||||
500 | 530.0 | 8.0 | 1.20 | ||||
Stainless Steel Lined Pipe, Stainless steel pipes