DIN 2391 ST45 Carbon Steel Pipe manufacturer in India

CS ST37 Seamless Precision Steel Tubes and ST52 Welded Pipes supplier in India.

Usually, a seamless tube in comparison to a welded one can bear about 20% higher pressure, without cracking. Very high pressure in the piping system stresses the welded pipe, causing it to split near the seam. However, there are benefits of using DIN 2391 ST45 Welded Tubes, namely its low cost, which could be a requirement for applications that require economical components to bring down the entire cost of the applications. The production for a welded tube is faster in comparison to its more expensive counterpart, that is the - DIN 2391 st52 Seamless Pipe. What makes them even more affordable is that the material is produced from carbon steel. Typically, carbon steel alloys chemically consist of two elements. Since the chemistry of DIN 2391 ST45 Carbon Steel Pipe includes only carbon and iron in their chemistry, the corrosion resistance properties of this alloy are very low. To improve the mechanical and corrosion resistance properties of any steel alloy, they are alloyed with other elements. Although in the case of carbon steel alloys, the low resistance to corrosion, due to lack of alloying makes way for a DIN 2391 st37 pipe Supplier to offer a competitive price. Corrosion resistance aside, carbon steels have a tendency to exhibit high toughness, making them ideal for applications that need high durability. The other characteristics of the DIN 2391 seamless precision steel tubes include good surface finish, leak-proof and dimensional stability. The high content of carbon in the alloy makes it possible to use the DIN 2391 grade St45.4 Boiler Tube for high temperature applications. These pipes are subjected to treatments like normalizing, annealing, cold working, hot rolling, etc. The treatments used on the DIN 2391 st45 steel pipe determine its mechanical characteristics.

DIN 2391 ST45 Carbon Steel Pipes

DIN 2391 ST45 Carbon Steel Pipes

DIN 2391 ST45 Pipes Supplier

DIN 2391 ST45 Pipes Supplier

Carbon Steel DIN 2391 ST45 Pipes

Table of Content


Available DIN 2391 grade St45.4 Boiler Tube from 0.5mm to 8 mm wall thickness.


Specification of DIN 2391 ST45 Carbon Steel Pipes

Standard DIN 2391
Grade ST45
Manufacturer in Sizes OD (4-190mm) x WT (0.5-15mm)
Outer Dimensions 4.0mm – 60.0mm
Wall Thickness Suppliers from 0.5 mm to 8 mm
Length max 6000mm

Chemical Properties of DIN 2391 ST45 Pipes

Standard Grade C Si Mn P max S max
DIN2391 St45 ≤0.21 ≤0.35 ≥0.4 0.025 0.025

Carbon Steel DIN 2391 ST45 Pipes Mechanical Properties

Cold drawn(Mandatory) Cold drawn(Soft) Cold Drawn and Stress Release Anneal Normalizing
BK1） BKW1） (BKS) (GBK)1） (NBK)1）
Grade Tensile Elongation Tensile Elongation Tensile Yield point Elongation Tensile Elongation Tensile Yield point Elongation
N/mm2 % N/mm2 % N/mm2 N/mm2 % N/mm2 % N/mm2 N/mm2 %
St45 580 5 520 8 520 375 12 390 21 440~570 255 21

Refer DIN 2391 st52 Seamless Pipe Tolerance, Purchase DIN 2391 Seamless precision steel tubes at cheap price.


DIN 2391 ST45 Piping Tolerance

OD Tolerance 4-30mm 31-40mm 41-50mm 51-60mm 61-70mm 71-80mm 81-90mm 91-100mm
±0.08mm ±0.15mm ±0.20mm ±0.25mm ±0.30mm ±0.30mm ±0.40mm ±0.45mm
WT Tolerance ±10%

Rate Card of DIN 2391 st52 Seamless Pipe

Product Price
DIN 2391 8 OD12mm, 15mm, 16mm air gun barrel tube $95.00 - $190.00/ Metric Ton
Din2391 Seamless precision steel tube st52 honed tube $448.00 - $685.00/ Metric Ton
DIN 2391 sch std Carbon Steel Seamless Pipes $0.85 - $1.15/ Kilogram

Check availability of Carbon Steel DIN 2391 st45 steel pipe Sizes, Get CS DIN 2391 st37 pipe in rectangular/ round/ circular shape.

Size Chart of DIN 2391 st37 pipe

Designation of Dia. O/D Nominal Wall Thick.
DIA SCH.5S SCH.5 SCH 10S SCH.10 SCH.20S SCH.30 SCH.40S SCH.40 SCH 60
(A) (B) Meter
MM		 Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr Wall
Thk		 Wght Kg/Mtr
6 1/8 10.3 1 0.23     1.2 0.27     1.5 0.33     1.73 0.37        
8 1/4 13.7 1.2 0.37     1.65 0.49     2 0.58     2.24 0.64        
10 3/8 17.2 1.2 0.47     1.65 0.63     2 0.74     2.31 0.87        
15 1/2 21.3 1.65 0.01 1.65 0.81 2.11 1.02 2.11 1.02 2.5 1.15     2.77 1.29        
20 3/4 26.7 1.65 1.03 1.65 1.03 2.11 1.3 2.11 1.3 2.5 1.49     2.87 1.71        
25 1 33.4 1.65 1.31 1.65 1.31 2.77 2.13 2.77 2.13 3 2.24     3.38 2.54        
32 11/4 24.2 1.65 1.67 1.65 1.67 2.77 2.73 2.77 2.73 3 2.9     3.56 3.44        
40 11/2 48.3 1.65 1.93 1.65 1.93 2.77 3.16 2.77 3.16 3 3.35     3.68 4.11        
50 2 60.3 1.65 1.93 1.65 2.42 2.77 3.99 2.77 3.99 3.5 4.9     3.91 5.52        
65 21/2 73 2.11 3.75 2.11 3.75 3.05 5.34 3.05 5.34 3.5 6     5.16 8.77        
80 3 88.9 2.11 4.59 2.11 4.59 3.05 6.56 3.05 6.56 4 8.37     5.49 11.47        
90 31/2 101.6 2.11 5.25 2.11 5.25 3.05 7.53 3.05 7.53 4 9.62     5.74 13.78        
100 4 114.3 2.11 5.93 2.11 5.93 3.05 8.5 3.05 8.5 4.5 12.18     6.02 6.32        
125 5 141.3 2.77 9.61 2.77 9.61 3.4 11.74 3.43 11.74 5 16.8     6.55 2210        
150 6 168.3 2.77 11.47 2.77 11.47 3.4 14.04 3.43 14.04 5.5 22.08     7.11 28.69        
200 8 219.1 2.77 15 2.77 15 3.76 20.77 3.76 20.27 6.35 33.82 7.04 37.38 8.18 43.2     10.81 53.9
250 10 273.1 3.4 22.95 3.4 22.95 4.19 28.2 4.19 28.2 6.35 42.41 7.8 51.81 9.27 61.22     12.2 82.8
300 12 323.9 3.96 31.72 4.19 33.6 4.57 36.54 4.57 36.54 6.35 50.48 8.38 66.2 9.53 75.01 10.31 80.94 14.27 110.62
350 14 355.6 3.96 34.86     4.78 41.99 6.35 55.53 7.92 68.95 9.53 82.58 9.53 82.58 11.13 96 15.06 128.42
400 16 406.4 4.19 42.2     4.78 48.07 6.35 63.61 7.92 79.03 9.53 94.7 9.53 94.7 12.7 125.2 16.66 162.59
450 18 457.2 4.19 47.46     4.78 54.15 6.35 71.69 7.92 89.1 11.13 124.32 9.53 106.83 14.27 158.27 19.05 209
500 2C 508 4.78 60.23     5.54 69.7 6.35 79.76 9.53 118.93 12.7 157.51 9.53 118.9 15.06 185.89 2062 251.65
550 22 558.8 4.78 65.95     5.54 76.75 6.35 87.84 9.53 131.07 12.7 173.66 9.53 131.07 15.88 216.04 22.23 298.55
600 24 609.6 5.54 83.8     6.35 95.92 6.35 95.92 9.53 143.2 14.27 212.72 9.53 143.2 17.45 258.74 24.59 360.21
650 26 660.4             7.92 129.4 12.7 205.97     9.53 155.32        
700 28 711.2             7.92 139.47 12.7 222.13 15.88 276.48 9.53 167.44        
750 3C 762 6.35 120.15     7.92 149.55 7.92 149.55 12.7 238.28 15.88 296.68 9.53 179.56        
800 32 812.8             7.92 159.62 12.7 254.44 15.88 316.88 9.53 191.69 17.48 348.11    
850 34 863.6             7.92 169.64 12.7 270.5 15.88 336.96 9.53 203.74 17.48 370.22    
900 36 914.4             7.92 179.77 12.7 286.75 15.88 357.28 9.53 215.93 19.05 427.09    

Designation of Diameter O/D Nominal Wall Thickness
DIA SCH 80 S SCH 80 SCH 100 SCH 120 SCH. 140 SCH.160 SCH.XXS
(A) (B) Meter
MM		 Wall
Thk		 Wt Kg/Mtr Wall
Thk		 Wt Kg/Mtr Wall
Thk		 Wt Kg/Mtr Wall
Thk		 Wt Kg/Mtr Wall
Thk		 Wt Kg/Mtr Wall
Thk		 Wt Kg/Mtr Wall
Thk		 Wt Kg/Mtr
6 1/8 10.3 2.41 0.47                        
8 1/4 13.7 3.02 0.82                        
10 3/8 17.2 3.2 1.12                        
15 1/2 21.3 3.73 1.64                 4.75 1.97 7.47 2.59
20 3/4 26.7 3.91 2.93                 5.54 2.93 7.82 3.69
25 1 33.4 4.55 3.29                 6.35 4.3 9.09 5.53
32 11/4 24.2 4.85 4.53                 6.35 5.69 9.7 7.88
40 11/2 48.3 5.08 5.49                 7.14 7.35 10.16 9.69
50 2 60.3 5.54 7.6                 8.71 11.26 11.07 13.65
65 21/2 73 7.01 11.59                 9.53 15.15 14.02 20.72
80 3 88.9 7.62 15.51                 11.13 21.67 15.24 28.11
90 31/2 101.6 8.08 18.92                     16.15 34.56
100 4 114.3 8.56 22.66         11.13 28.75     13.49 34.05 17.12 41.66
125 5 141.3 9.53 31.44         12.7 40.9     15.88 49.87 19.05 58.31
150 6 168.3 10.97 43.21         14.27 55.03     18.24 68.53 21.95 79.1
200 8 219.1 12.7 65.63     15.06 76.93 18.24 91.73 20.62 102.47 23.01 112.97 22.23 108
250 10 273.1 12.7 82.8 15.06 97.27 18.24 116.38 21.41 134.9 25.4 157.51 28.58 174.95 25.4 155.5
300 12 323.9 12.7 98.95 17.45 133.88 21.41 162.14 25.4 189.82 28.58 211.31 33.32 242.4 25.4 189.82
350 14 355.6 12.7 109.04 19.05 160.54 23.8 197.74 27.76 227.88 31.75 257.47 35.71 286.04    
400 16 406.4 12.7 125.2 21.41 206.4 26.19 249.34 30.94 290.88 36.53 338.32 40.46 370.74    
450 18 457.2 12.7 141.35 23.8 258.29 29.36 314.54 34.93 369.34 39.67 414.74 45.24 466.67    
500 2C 508 12.7 157.51 26.19 315.97 32.54 387.41 38.1 448.3 44.45 515.94 49.99 573.31    
550 22 558.8 12.7 173.66 28.57 379.7 34.92 457.83 41.27 535.17 47.62 609.3 53.97 682.57    
600 24 609.6 12.7 189.82 30.94 448.3 38.89 555.76 46.02 649.44 52.37 730.72 59.51 819.7    
650 26 660.4 12.7 205.97     (24.66D-t) t

1000

Wt/pam + formula

Weight Stainless Steel Pipe

OD (mm) - W.T. (mm) XW.T. (mm) X 0.02466 = Kg. per mtr.
700 28 711.2     12.7 222.13
750 3C 762     1270 238.28
800 32 812.8     12.7 254.44
850 34 863.6     12.7 270.5
900 36 914.4     12.7 286.75

Exporter of Schedule 40 DIN 2391 ST45 Welded Tubes, DIN 2391 EN 10305-4 Pipe Supplier in India.

Various types of DIN 2391 ST45 Welded Tubes Suppliers in India

DIN 2391 ST52 H7-H10 tolerance hydraulic cylinder honed tube
DIN 2391 ST52 H7-H10 tolerance hydraulic cylinder honed tube
Hot Dip Galvanized Round DIN 2391 seamless steel pipes
Hot Dip Galvanized Round DIN 2391 seamless steel pipes
Din 2391 C Zinc Coated Seamless Steel Pipes Tube
Din 2391 C Zinc Coated Seamless Steel Pipes Tube

DIN 2391 ST37 NBK Cold Drawn Seamless Steel Pipes
DIN 2391 ST37 NBK Cold Drawn Seamless Steel Pipes
High Quality DIN 2391 ST52 / S355 Seamless mechanical steel tube
High Quality DIN 2391 ST52 / S355 Seamless mechanical steel tube
Schedule 40 ST45 DIN 2391 Pipe
Schedule 40 ST45 DIN 2391 Pipe

Regular Supplier in Below Locations

ASME B36.1, DIN 2391 ST45 Carbon Steel Hot Dip Galvanized ERW Pipes, 8 Inch Indonesia, Belgium, Noida, Mumbai, Dammam -KSA, Philippines
ANSI B36.10 DIN 2391 st52 Seamless Pipe, PE, 24 Inch, SCH 40 France, Thailand, Sikandrabad, Qatar, Europe, Bengaluru
11.8 Meters, DIN 2391 st35 ERW Pipe, ASME B36.10, PE Czechia, Chennai, Thailand, Germany, Thiruvananthapuram, Malaysia
SCH40, DIN 2391 st37.4 Low Temperature LSAW Pipe, 24 Inch, 12 Meter Surat, Bangladesh, Pune, Malaysia, USA, Finland
BE, DIN 2391 st35.4 SMLS Pipe, 12M, 20 Inch, SCH 40 South Africa, Saudi Arabia (KSA), Kuwait, Ahmedabad, Brazil
6 Inch, SCH40, CS ST37 Seamless Pipes, 6M, ANSI B36.10 Singapore, South Africa, Kolkata, Bahrain, Agra
DIN 2391/c st37.4 Carbon Steel Pipe, Black Surface, SCH80, DN15 Hyderabad, Nigeria, Thane, France, Australia, UK, Philippines
1 Inch, SCH 40, DIN 2391 st 52-3 Galvanized Seamless Pipe, 6000mm UAE, Malaysia, Patna, Ahmedabad, Oman, Hong Kong
DIN 2391 st52 bk+s Seamless Pipe, 6 Inch, 12M, SCH.STD, BE Bhopal, Iran, Italy, Chile, Delhi, Visakhapatnam, Singapore
Carbon Steel st45 Seamless Pipe, 6 Inch, 0.28 Inch, 6 Meters Turkey, Norway, United Arab Emirates (UAE), Coimbatore, Malaysia
18 Inch Seamless Carbon Steel st52, OD 457 MM Dehradun, Malaysia, Netherlands, Kochi, Russia, Dubai
16 Inch, St52 Carbon steel SMLS Pipe, ASME B36.10, SCH 20 Nashik, Lucknow, UK, Mexico, Nagpur, Egypt, Spain
SCH 40, LSAW Carbon Steel Pipe, DIN 2391 ST45, 36 Inch, 12 M Length UAE, Indore, Malaysia, Europe, United Kingdom -UK
BE, 12M, DIN 2391 Grade c LSAW Pipe, SCH 30, 30 Inch Ellington -United States, Canada, Navi Mumbai, Poland, UK
Sch STD, Roll Grooved End ERW Pipes, DIN 2391 c st 37.4, 10 Inch, 6 Meter Jaipur, Philippines, Singapore, Ludhiana, Canada, Malaysia
DIN 2391-c-DIN 17456 Seamless Black Pipe, 24 Inch, SCH STD Faridabad, Malaysia, Japan, Europe, Chandigarh, Romania
B36.10, Hot Dip Galvanized SSAW Pipe, DIN 2391 EN 10305-4, 16 Inch Colombia, Vadodara, Rajkot, Sweden, China, Malaysia
SCH 120, St45 Steel Seamless Pipe, 20FT Malaysia, Taiwan, Bhuneshwar, Philippines, Los Alamos -Mexico
DIN 2391 ST45 Carbon Steel Pipe, ASME B36.10 NY 12203 (USA), Malaysia, Singapore, South Korea, Gurgaon