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DIN1629 Carbon Seamless Steel Tube
DIN 1629 standard applies to circular tubes and pipes made of unalloyed steels. They are designed to meet high performance requirements. Normally there are no limiting values or the maximum permissible working pressure of these tubes.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of din1629 carbon seamless steel tube in China, featured by quality products and low price. If you're going to wholesale durable din1629 carbon seamless steel tube made in China, welcome to get pricelist and free sample from our factory.
DIN1629 Carbon Seamless Steel Tube
Type: seamless
Shape: circular, round
Quality: non alloy steels
Pipe grade: ST37.0, ST44.0, ST52.0
Dimension: 1”-36” with wall thickness as per DIN EN 10220-2003
Length: random length, specified length, exact length, cut length. For example, 6m, 6.5m, 12m,12.5m and so on.
Working temperature: not exceed 300℃
Usage: used in the construction of chemical plant, vessels, pipework and for general mechanical engineering purposes.
Maximum working pressure and temperature
|
Out diameter mm |
Working pressure bar max |
Working temperature ℃ max |
|
OD ≤219.1 |
64 |
300 |
|
219.1<OD≤660.4 |
25 |
300 |
|
OD≥660.4 |
16 |
300 |
Out diameter tolerance of DIN1629 carbon seamless steel tube
|
OD mm |
Tolerance |
|
Up to 100 |
±1% but not less than ±0.5mm |
|
From 100 to 200 |
±1% |
|
More than 200 |
±1% |
Wall thickness tolerance of DIN1629 carbon seamless steel tube
|
For OD up to 130mm |
For OD above 130mm and up to 320mm and wall thickness S |
For OD above 320mm |
||||||
|
S≤2*Sn |
S>2*Sn, S≤4*Sn |
S≤0.05OD |
S>0.05OD, S≤0.11OD |
S>0.11OD |
S≤0.05OD |
S>4*Sn |
S>0.05OD, S≤0.09OD |
S>0.09OD |
|
+15%, -10%
|
+12.5%, -10%
|
+17.5%, -12.5%
|
+15%, -10%
|
±12.5% |
+20%, -15%
|
±9% |
+15%, -12.5%
|
+12.5%, -10%
|
Length tolerance of DIN1629 carbon seamless steel tube
|
Length m |
Tolerance mm |
|
≤6m |
+10, 0 |
|
6-12m |
+15, 0 |
|
>12m |
agreement |
Weight tolerance of DIN1629 carbon seamless steel tube
|
For each steel pipe |
+12%, -8% |
|
For a Batch of Steel Pipes with the Weight of More than 10 Tons |
+10%, -5% |
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