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DIN 17100 St 33 Welded Tube supplier


Standard DIN 2391 pipes are predominantly used in the automotive as well as mechanical engineering applications. Termed as seamless precision steel DIN 2391 ST37 Pipes are produced in compliance with ISO/DIN 3304. The dimensions of these pipes have been chosen from the range of manufacturing dimensions, which is why the DIN 2391 ST37 Carbon Steel Pipes could principally be used as design elements.

DIN 2391 ST37 Pipes

 

DIN standard 2391 makes use of low carbon steel grade ST37 in the manufacture of its products. With a carbon content of about 0.20%, the material is similar to grades S235JR or Q235. However, the material is neither as popular nor as strong in comparison to ASTM A36. Yet, many businesses work with these Carbon Steel DIN 2391 ST37 Tubes despite a lack of elevated strength, mainly because it is an affordable alloy. Like most alloys, the ST37 DIN 2391 Carbon Steel Seamless Pipes are available across markets either in a galvanized condition, black or pre-painted condition. While galvanization offers the highest resistance to corrosion, both pre-painting and coating with black oxide provides the Carbon Steel DIN 2391 Tubes with milder resistance to corrosion.

Wide stock of DIN 2391 ST37 Pipes, check latest price of DIN 17100 St 37-2 / St 37-3 Tubes ex Mumbai



Specifications of DIN 2391 ST37 Carbon Steel Pipes

DIN 17100 St 33/ RSt 37-2/ St37-3U / St 37-3 N Pipe and tubes in many sizes


Standard DIN 2391
Grade ST37
Size OD (4-190mm) x WT (0.5-15mm)
Outer Dimensions 4.0mm – 60.0mm
Wall Thickness 0.5mm – 8 mm
Length max 6000mm

DIN 2391 ST37 Pipe 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%


Common types of ST37 DIN 2391 Carbon Steel Seamless Pipes

Buy DIN 17100 ST 44-2/ St44-3U/ St 44-3N and Carbon Steel DIN 2391 ST37 Tubes at lowest price in India

DIN 2391 ST37 Hot Rolled Carbon Steel Seamless Pipe
DIN 2391 ST37 Hot Rolled Carbon Steel Seamless Pipe
DIN 2391 ST37 4 Inch Heavy Thick Wall Steel Pipe
DIN 2391 ST37 4 Inch Heavy Thick Wall Steel Pipe
DIN 2391 ST37 Schedule 120 / 100 / 80 Steel Pipe or Tube
DIN 2391 ST37 Schedule 120 / 100 / 80 Steel Pipe or Tube
DIN 2391 ST37 Precision Seamless Steel Pipe
DIN 2391 ST37 Precision Seamless Steel Pipe
DIN 2391 ST37 alloy steel pipe galvanized steel pipe
DIN 2391 ST37 alloy steel pipe galvanized steel pipe
Seamless DIN 2391 ST37 Honed Pipe
Seamless DIN 2391 ST37 Honed Pipe
DIN 2391 ST37 OD 5mm customized cold drawn seamless pipe
DIN 2391 ST37 OD 5mm customized cold drawn seamless pipe
DIN 2391 ST37 Hot Rolled Carbon Steel Seamless Pipe
DIN 2391 ST37 Hot Rolled Carbon Steel Seamless Pipe
galvanized seamless steel pipe DIN 2391 ST37
galvanized seamless steel pipe DIN 2391 ST37
DIN 17100 St 37-2
DIN 17100 St 37-2
DIN 17100 St 37-3
DIN 17100 St 37-3
DIN 17100 St 33
DIN 17100 St 33
DIN 17100 RSt 37-2
DIN 17100 RSt 37-2
DIN 17100 St37-3U
DIN 17100 St37-3U
DIN 17100 St 37-3 N
DIN 17100 St 37-3 N
DIN 17100 ST 44-2
DIN 17100 ST 44-2
DIN 17100 St44-3U
DIN 17100 St44-3U
DIN 17100 St 44-3N
DIN 17100 St 44-3N
DIN 17100 St 52-3 U
DIN 17100 St 52-3 U
DIN 17100 St 52-3 N
DIN 17100 St 52-3 N

Composition Chart of Carbon Steel DIN 2391 ST37 Tubes

Standard Grade C Si Mn S max P max
DIN2391 St37 ≤0.17 ≤0.35 ≥0.35 0.04 0.04

Steel grade Type of Deoxidation Chemical composition in % by wt.

Ladle analysis

Additional Nitrogen combining elements(e.g.at least 0.02% A l total) Chemical Composition  in % by wt.

Sample Analysis

Steel Grade
code #  Material Number C P S N C P S N
for Product thickness in mm         for product thicknesses in mm      
New New
≤ 16 >16

≤30

 

>30

≤40

>40

≤63

 

>63

≤100

 

>100
≤ 16 >16

≤30

>30

≤40

>40

< 1

>63

≤100

 

>100
        Max. Max.        Max Max  
St. 37-2 1.0037 - optional 0.17 0.20 0.20 0.20 0.20 by agreement 0.050 0.050 0.009      - 0.21 0.25 0.25 0.25 0.25   0.065 0.065 0.010 St.37-2
Rst. 37-2 1.0038 1.0114 R 0.17 0.17 0.17 0.20 0.20 0.050 0.050 0.009 -- 0.19 0.19 0.19 0.22 0.23   0.060 0.060 0.010 RSt.37-2
St. 37-3 1.0116 1.0116 RR 0.17 0.17 0.17 0.17 0.17 0.040 0.040 --- yes 0.19 0.19 0.19 0.19 0.19   0.050 0.050   St.37-3
St.60-2 1.0060 1.0542 R -- -- -- -- -- -- 0.050 0.050 0.009 -- -- -- -- -- --   0.060 0.060 0.010 St.60-2
St.44-3 1.0144  -- RR 0.20 0.20 0.20 0.20 0.20 0.040 0.040 --- yes 0.23 0.23 0.23 0.23 0.23   0.050 0.050   St.44-3
St.44-2 1.0044  -- R 0.21 0.21 0.21 0.22 0.22 0.050 0.050 0.009 -- 0.24 0.24 0.24 0.25 0.25   0.060 0.060 0.010 St.44-2
St.52-3 1.0570 1.0841 RR 0.20 0.20 0.22 0.22 0.22 0.040 0.040  -- yes 0.22 0.22 0.24 0.24 0.24   0.050 0.050   St.52-3
St.50-2 1.0050 1.0532 R -- -- -- -- -- -- 0.050 0.050 0.009 -- -- -- -- -- --   0.060 0.050 0.010 St.50-2
Ust. 37-2 1.0036 1.0112 U 0.17 0.20 0.20 0.20 0.20 0.050 0.050 0.007     -- 0.21 0.25 0.25 0.25 0.25   0.065 0.065 0.009 USt.37-2
St.70-2 1.0070 1.0632 R -- -- -- -- -- -- 0.050 0.050 0.009 -- -- -- -- -- --   0.060 0.060 0.010 St.70-2

ST37 DIN 2391 Carbon Steel Welded Tubes Mechanical Analysis

Wide range of DIN 17100 St 52-3 U/ St 52-3 N, ST37 DIN 2391 Carbon Steel Welded Pipes & Tubes

 

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

%

St37

480

6

420

10

420

315

14

315

25

350~480

235

25


Steel grade according to the above table

Mechanical and technological properties 

Tensile strength Rm
For Product thickness in mm
Upper yield point ReH
for product thickness in mm
      < 1 ≥3

≤100

>100

≤16

>16

≤40

>40

≤63

>63

≤80

>80

≤100

>100
Code No. Material No.

N/mm2

N/mm2
St.33 1.0035 310 up to 540 290 upto 510    - 185 175 - - - -
St 70-2 1.0070 690 upto 900 670 upto 830 365 355 345 335 325
RSt.37-2

St.37-3

1.0038

1.0116

235 225 215 215 215
St.52-3 1.0570 510 upto 680 490 upto 630 355 345 335 325 315
St.50-2 1.0050 490 upto 660 470 upto 610 295 285 275 265 255
St.60-2 1.0060 590 upto 770 570 up to 710 335 325 315 305 295
St.44-2

St.44-3

1.0044

1.0144

430 upto 580 410 upto 540 275 265 255 245 235