Pressure Resistant Plumbing Pipes
Pressure-based plumbing pipes are the most important material of a sanitary system. At the same time, plumbing pipes should be used in the right place, and the type of pipe to be used should be determined in the most accurate way. For example, while the pipe used for the waste water pipes laid underground is different, different pipes are used for the clean water installation where we directly take the water laid inside the buildings. Natural gas pipes, another area of use for water installations, are of a completely different nature. Natural gas pipes have different properties compared to others in terms of heat resistance and impermeability.
It has a wide range of products such as pressure-based water pipe, galvanized steel pipe, cast iron pipe, brass pipe, copper pipe, steel pipe, plastic pipe. Don’t let such diversity create such a complicated situation. Each of them has different characteristics in terms of its structure and place of use.
their quality
Class
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ST37-2 (S235JR)
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Number
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1,0037
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Classification
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Non-alloy quality structural steel. According to EN 10250-2: 2000 steel S235JRG2 is also named 1.0038.
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Standard
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EN 10025-2: 2004 Hot rolled structural steel products. Technical delivery conditions of non-alloy structural steels
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ST37-2 Chemical Properties of Steel
C
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Mn
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P
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S
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N-
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Cu
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CEV
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maximum 0,2
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maximum 1.4
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maximum 0,04
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maximum 0,04
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maximum 0,012
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maximum 0.55
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maximum 0,38
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ST37-2 Mechanical Properties of Steel
Nominal thickness (mm):
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3
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3 – 100
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100 – 150
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150 – 250
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|
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Rm – Tensile strength (MPa) Flat and long products
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360-510
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360-510
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350-500
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340-490
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|
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Nominal thickness (mm):
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16
|
16 – 40
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40 – 63
|
63 – 80
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80 – 100
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100 – 150
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150 – 200
|
200 – 250
|
ReH – Minimum yield strength (MPa) Flat and long products
|
235
|
225
|
215
|
215
|
215
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195
|
185
|
175
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KV – Impact energy (J) longitude,
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-20 °
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0 °
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+ 20 °
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|
|
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|
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27
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27
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27
|
|
|
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Nominal thickness (mm):
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1
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1 – 1,5
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1,5 – 2
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2 – 2,5
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2,5 – 3
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|
|
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A – Min. elongation Lo = 80 mm (%) paralel,
|
17
|
18
|
19
|
20
|
21
|
|
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|
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|
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|
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Nominal thickness (mm):
|
Mar.40
|
40 – 63
|
63 – 100
|
100 – 150
|
150 – 250
|
|
|
|
A – Min. elongation Lo= 5,65 √ So (%) paralel,
|
26
|
25
|
24
|
22
|
21
|
|
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