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DIN 2440 ST33 Seamless Pipe supplier


Grades st33, st 35 and st 33.2 are low carbon containing alloy steels. Just like several steel alloys, the above alloys are low costing as well. Being cheaper than alloy steels and stainless steels, most businesses scattered over several industries prefer the use of DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes. In comparison to welded tubes, the seamless kind has a higher load bearing capacity and they do not face the risk of getting corroded by grain sensitization, unlike welded tubes. The use of din 2440 seamless pipe is slightly costlier than its welded counterpart because of the labour intensive process required in its manufacture.

DIN 2440 Threaded Steel Tubes

 

DIN 2440 Threaded Steel Tubes have internal threads that permit easy and speedy, leakproof connections. Threaded components like the din 2440 st 35 pipes are used in areas that cannot be welded. In some industries, the use of welding to connect a tube to fittings or flanges could cause undesirable flares or explosions, which are hazardous to both the application and the environment. The internal threads in the din 2440 Steel pipe aid in easy mounting or connectivity to a piping system without causing any accidents. Therefore, several industries, including the oil and gas industries may use these din 2440 st33 pipes for connectivity. Another reason that many businesses have carbon steel pipes in grade din 2440 st 33.2 as a part of their piping system is that they have good hardness properties. To improve these properties, often buyers place in an order for carburization or nitriding to be carried out on the carbon steel din 2440 tube. Both these processes ensure that the tubes become hard without becoming brittle.

EN 10255-M DIN 2440 Tube for tapping and welding



Material Specification of DIN 2440 Threaded Steel Tubes

DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes and DIN 2440 st 35 Steel pipe with smooth tube ends


Nominal Diameter (ND): 6, 8, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 125 mm (1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4, 5 inch)

Outside Diameter (OD): 10,2 - 139,7 mm

Wall Thickness: DIN 2440: 2 - 4,6 mm;
DIN 2441: 2,65 - 5,40 mm


Various types of Threaded Steel Tubes DIN 2440

Check din 2440 seamless pipe price list ex Mumbai

DIN 2440 Threaded carbon steel tube
DIN 2440 Threaded carbon steel tube
Din 2440 Threaded 1.25 inch galvanized steel tube
Din 2440 Threaded 1.25 inch galvanized steel tube
DIN 2440 mild carbon Threaded steel tube
DIN 2440 mild carbon Threaded steel tube
DIN 2440 Threading Non - Alloy Steel Tubes
DIN 2440 Threading Non - Alloy Steel Tubes
din 2440 Threading steel square tube
din 2440 Threading steel square tube
23mm din 2440 galvanized steel tube
23mm din 2440 galvanized steel tube
DIN 2440 galvanized erw steel tube
DIN 2440 galvanized erw steel tube
din 2440 carbon steel hollow tube standard size
din 2440 carbon steel hollow tube standard size
Din 2440 Threaded Tube Carbon Steel
Din 2440 Threaded Tube Carbon Steel
DIN 2440 Threaded Steel Tubes
DIN 2440 Threaded Steel Tubes
din 2440 Steel pipe
din 2440 Steel pipe
din 2440 seamless pipe
din 2440 seamless pipe
din 2440 st33
din 2440 st33
din 2440 st 35
din 2440 st 35
din 2440 st 33.2
din 2440 st 33.2
din 2440 tube
din 2440 tube
DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes
DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes

Dimension Standard of DIN 2440 Threaded Tubes

DIN 2440 st 33.2 Threaded tubes manufacturer in India

Nominall Width> Conn-
ecting
nomin-
al width
of the
flttings
according
to DIN
2950 and
DIN 2980
Whit-
worth-
pipe
threads
according
to
DIN
2999
Part1
Tube Screw thread Corresponding
socket according
to DIN 2986
Outside
diameterd1
Wall
thick-
nesss
Weight Theo-
retical
screw
thread
diameter
d2
Threads
per
25.4mm
Usable
screw
thread
length
J
min
at
a
max.
Distance of
screw thread
dlameter
d2
from tube end
Outside
diameter
Length
Plain-end
tube
kg/m
socketed
tubekg/m
a
max.
a
min.
min. min.
6 1/8 R 1/8 10.2 2.0 0.407 0.410 9.728 28 7.4 4.9 3.1 14 17
8 1/4 R 1/4 13.5 2.35 0.650 0.654 13.157 19 11.0 7.3 4.7 15.4 25
10 3/8 R 3/8 17.2 2.65 0.852 0.858 16.662 19 11.4 7.7 5.1 21.3 26
15 1/2 R 1/2 21.3 2.65 1.22 1.23 20.955 14 15.0 10.0 6.4 26.4 34
20 3/4 R 3/5 26.9 2.65 1.58 1.59 26.441 14 16.3 11.3 7.7 31.8 36
25 1 R 1 33.7 3.25 2.44 2.46 33.249 11 19.1 12.7 8.1 39.5 43
32 1 1/4 R 1 1/4 42.4 3.25 3.14 3.17 41.910 11 21.4 15.0 10.4 48.3 48
40 1 1/2 R 1 1/2 48.3 3.25 3.61 3.64 47.803 11 21.4 15.0 10.4 54.5 48
50 2 R 2 60.3 3.65 5.10 5.17 59.614 11 25.7 18.2 13.6 66.3 56
65 2 1/2 R 2 1/2 76.1 3.65 6.51 6.63 75.184 11 30.2 21.0 14.0 82 65
80 3 R 3 88.9 4.05 8.47 8.64 87.884 11 33.3 241 17.1 95 71
100 4 R4 114.3 4.5 12.1 12.4 113.030 11 39.3 28.9 21.9 122 83
125 5 R 5 139.7 4.85 16.2 16.2 138.430 11 43.6 32.1 25.1 147 92
150 6 R 6 165.1 4.85 19.2 19.8 163.830 11 43.6 32.1 25.1 174 92
1) Referred to an average length of 6m

DIN 2440 Steel Tubes Sizes

DIN 2440
  DN Zoll d s kg/m
          schwarz verzinkt
  8 1/4 13.5 2.35 0.65 0.68
  10 3/8 17.2 2.35 0.85 0.89
  15 1/2 21.3 2.65 1.22 1.27
  20 3/4 26.9 2.65 1.58 1.65
  25 1 33.7 3.25 2.44 2.55
  32 1 1/4 42.4 3.25 3.14 3.28
  40 1 1/2 48.3 3.25 3.61 3.77
  50 2 60.3 3.65 5.10 5.33
  65 21/2 76.1 3.65 6.51 6.80
  80 3 88.9 4.05 8.47 8.85
  100 4 114.3 4.5 12.10 12.64

Threaded tube DIN 2440 Wall Thickness

ND
Outside Diameter, mm
OD Tolerances, mm
Wall Thickness, mm (±12,5%)
inch
mm
DIN 2440
DIN 2441
1/8
6
10,2
+ 0,4; - 0,4
2,00
2,65
1/4
8
13,5
+ 0,5; - 0,3
2,35
2,90
3/8
10
17,2
+ 0,5; - 0,3
2,35
2,90
1/2
15
21,3
+ 0,5; - 0,3
2,65
3,25
3/4
20
26,9
+ 0,4; - 0,4
2,65
3,25
1
25
33,7
+ 0,5; - 0,4
3,25
4,05
1 1/4
32
42,4
+ 0,5; - 0,4
3,25
4,05
1 1/2
40
48,3
+ 0,5; - 0,4
3,25
4,05
2
50
60,3
+ 0,5; - 0,4
3,65
4,05
2 1/2
65
76,1
+ 0,5; - 0,8
3,65
4,50
3
80
88,9
+ 0,6; - 0,9
4,05
4,85
4
100
114,3
+ 0,7; - 1,2
4,50
5,40
5
125
139,7
+ 1,1; - 1,2
 
5,40