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DIN 2391 Pipe

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Reputable Supplier of Carbon Steel ST 35 nbk Seamless Pipe in China

DIN 2391 Pipe

Table of Content


Get DIN 2391 ST 52 Welded Pipe With High Strength, check various standards & Specification

DIN 2391 Pipe Specification

pipe size icon

DIN 2391 Pipe Pipe Sizes

  • 1/2 to 40 inch
  • Wall Thickness: 0.5 mm to 20 mm
  • up to 100 inch
welded pipe size icon

DIN 2391 Pipe Length

  • 1 to 3 meters
  • 5 to 12 meters
Standards

DIN 2391 st45 Exhaust Tube Standards

  • ASME B16.19
  • DIN 2391
Pipe Testing

Carbon Steel ST 35 Rectangular Pipe Testing

  • Ultrasonic
  • Hydrostatic test
  • Chemical Test
  • Eddy current test
Pipe Surface Finish

DIN 2391 ST 52 Cold Drawn Seamless Pipe Surface Finish

  • Varnished
  • Galvanized
  • Bright, Mirror
pipe manufacturing process

DIN 2391 ST 52 Cold Drawn Seamless Pipe Manufacturing Process

  • Cold Formed
  • Hot Formed
  • Precision Rolled
Documentation

ST45 Material Boiler Tubes Documentation

  • Mill Test Certificates
  • Fumigation Certificates
  • Third Party Inspection Report
Applications

1.0408 Steel Welded Tube Applications

  • Gas Processing
  • Seawater ,Oil
  • Pharmaceuticals
  • Petrochemicals
Origins

ST52 Seamless Tube Origins

  • Russia, India
  • China
  • Janpanese
  • American
pipe Types

Types of DIN 2391 st35 Hydraulic Steel Tube Pipe

  • Square
  • Rectangle
  • Round
  • Hex
Packaging

DIN 2391 ST 52 Cold Drawn Seamless Pipe Packaging

  • Bubble Wraps
  • Bundled
  • Wooden Box
  • Wooden Pallet
Disadvantages

ST45 Material Boiler Tubes Disadvantages

  • Lack Flexibility
  • Complex manufacturing
  • Limited Corrosion Resistance
Measurement

Measurement of DIN 2391 st35 Hydraulic Steel Tube Pipe

  • Straightness, Ovality
  • Inner diameter
  • Outer diameter
  • Thickness, Length
Advantages

DIN 2391 st45 Exhaust Tube Advantages

  • Temp Resistance
  • Rusting Proof
  • Superior Coatings
Features

Features of Carbon Steel DIN 2391 ST 45 Pipe

  • Dimension Accuracy
  • Ductile
  • Leakage Proof
End Types

DIN 2391 st45 Exhaust Tube End Types

  • Coupled, Bevel end
  • Cut groove, Threaded
  • Plain end, Roll groove

Types of ASTM DIN 2391 Pipe


DIN 2391 Pipe Supplier in China Offers a Wide Range of Typically Used Pipe Types.


DIN 2391 st45 Exhaust Tube

DIN 2391 st45 Exhaust Tube

Carbon Steel ST 35 Rectangular Pipe

Carbon Steel ST 35 Rectangular Pipe

DIN 2391 ST 52 Cold Drawn Seamless Pipe

DIN 2391 ST 52 Cold Drawn Seamless Pipe

ST45 Material Boiler Tubes

ST45 Material Boiler Tubes

1.0408 Steel Welded Tube

1.0408 Steel Welded Tube

DIN 2391 st35 Hydraulic Steel Tube Pipe

DIN 2391 st35 Hydraulic Steel Tube Pipe

ST52 Seamless Tube

ST52 Seamless Tube

st 52.3 carbon steel Square Pipe

st 52.3 carbon steel Square Pipe

Carbon Steel DIN 2391 ST 45 EFW Pipe

Carbon Steel DIN 2391 ST 45 EFW Pipe


Weight Chart Of DIN 2391 st45 Exhaust Tube

DIN 2391 Pipe Manufacturer in China Provides Excellent Weight Chart To Satisfy Customer Needs.

Designation of Diameter O/D Wall Thickness
DIA SCH.5 SCH.10 SCH.20 SCH.30 SCH.40 SCH 60
(B) (A) Meter
MM		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk 		Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk
3/4 20 26.7 1.03 1.65 1.3 2.11 1.49 2.5
1/8 6 10.3 0.33 1.5
16 400 406.4 63.61 6.35 79.03 7.92 94.7 9.53 125.2 12.7 162.59 16.66
18 450 457.2 71.69 6.35 89.1 7.92 124.32 11.13 158.27 14.27 209 19.05
1/4 8 13.7 0.58 2
24 600 609.6 95.92 6.35 143.2 9.53 212.72 14.27 258.74 17.45 360.21 24.59
11/2 40 48.3 1.93 1.65 3.16 2.77 3.35 3
2 50 60.3 2.42 1.65 3.99 2.77 4.9 3.5
3/8 10 17.2 0.74 2
22 550 558.8 87.84 6.35 131.07 9.53 173.66 12.7 216.04 15.88 298.55 22.23
1/2 15 21.3 0.81 1.65 1.02 2.11 1.15 2.5
1 25 33.4 1.31 1.65 2.13 2.77 2.24 3
11/4 32 24.2 1.67 1.65 2.73 2.77 2.9 3
10 250 273.1 22.95 3.4 28.2 4.19 42.41 6.35 51.81 7.8 82.8 12.2
2C 500 508 79.76 6.35 118.93 9.53 157.51 12.7 185.89 15.06 251.65 2062
21/2 65 73 3.75 2.11 5.34 3.05 6 3.5
4 100 114.3 5.93 2.11 8.5 3.05 12.18 4.5
12 300 323.9 33.6 4.19 36.54 4.57 50.48 6.35 66.2 8.38 80.94 10.31 110.62 14.27
5 125 141.3 9.61 2.77 11.74 3.43 16.8 5
3 80 88.9 4.59 2.11 6.56 3.05 8.37 4
31/2 90 101.6 5.25 2.11 7.53 3.05 9.62 4
6 150 168.3 11.47 2.77 14.04 3.43 22.08 5.5
8 200 219.1 15 2.77 20.27 3.76 33.82 6.35 37.38 7.04 53.9 10.81
26 650 660.4 129.4 7.92 205.97 12.7
14 350 355.6 55.53 6.35 68.95 7.92 82.58 9.53 96 11.13 128.42 15.06
28 700 711.2 139.47 7.92 222.13 12.7 276.48 15.88
34 850 863.6 169.64 7.92 270.5 12.7 336.96 15.88 370.22 17.48
3C 750 762 149.55 7.92 238.28 12.7 296.68 15.88
32 800 812.8 159.62 7.92 254.44 12.7 316.88 15.88 348.11 17.48
36 900 914.4 179.77 7.92 286.75 12.7 357.28 15.88 427.09 19.05

Size Chart DIN 2391 ST52 Carbon Steel Pipe

NPS Weight(kg/m) W.T (mm) O.D (mm)
18 163.0 12.70 457.2
16 132.0 11.13 406.4
2 5.50 3.91 60.3
2 1/2 8.00 5.16 76.1
14 104.0 10.31 355.6
3 10.0 5.49 88.9
6 28.6 7.11 168.3
3/4 1.68 2.87 26.7
1 1/2 4.07 3.68 48.3
20 184.0 12.70 508.0
12 86.0 9.52 323.9
4 15.0 6.02 114.3
5 21.7 6.55 141.3
1/2 1.27 2.77 21.3
10 66.2 9.27 273.1
1 2.49 3.38 33.4
8 44.5 8.18 219.1
1 1/4 3.39 3.56 42.2

Pressure Rating Chart Of Carbon Steel DIN 2391 ST 45 Capillary Tube

Pressure Rating (psig)
Pipe Size (inches) Schedule Outside Dia (in) Wall Thick (in) Temperature (oF)
200 100 500 400 650 600 750 700 300
16700 16700 14400 15500 13200 13500 12600 12900 16700
1" 80 1.315 0.179 3061 3061 2640 2841 2420 2475 2310 2365 3061
40 1.315 0.133 2205 2205 1902 2047 1743 1783 1664 1703 2205
160 1.315 0.250 4493 4493 3874 4170 3552 3632 3390 3471 4493
4" 80 4.500 0.337 1596 1596 1377 1482 1262 1291 1204 1233 1596
40 4.500 0.237 1102 1102 950 1023 871 891 831 851 1102
160 4.500 0.531 2611 2611 2552 2424 2064 2111 1970 2017 2611
5" 80 5.563 0.375 1428 1428 1231 1325 1129 1154 1077 1103 1428
40 5.563 0.258 965 965 832 896 763 780 728 746 965
160 5.563 0.625 2474 2474 2133 2296 1955 2000 1866 1911 2474
1 1/2" 80 1.900 0.200 2303 2303 1986 2138 1821 1862 1738 1779 2303
40 1.900 0.145 1629 1629 1404 1512 1287 1317 1229 1258 1629
160 1.900 0.281 3362 3362 2899 3120 2657 2717 2536 2597 3362
3" 80 3.500 0.300 1844 1844 1590 1712 1458 1491 1391 1425 1844
40 3.500 0.216 1301 1301 1122 1208 1028 1052 982 1005 1301
160 3.500 0.438 2787 2787 2403 2587 2203 2253 2103 2153 2787
10" 80 10.750 0.594 1159 1159 999 1075 916 937 874 895 1159
40 10.750 0.365 699 699 603 649 553 565 528 540 699
160 10.750 1.125 2289 2289 1974 2124 1809 1850 1727 1768 2289
6" 80 6.625 0.432 1379 1379 1189 1280 1090 1115 1040 1065 1379
40 6.625 0.280 877 877 756 814 693 709 661 677 877
160 6.625 0.719 2382 2382 2054 2211 1883 1925 1797 1840 2382
2" 80 2.375 0.218 1985 1985 1712 1843 1569 1605 1498 1534 1985
40 2.375 0.154 1371 1371 1182 1272 1083 1108 1034 1059 1371
160 2.375 0.344 3283 3283 2831 3047 2595 2654 2477 2536 3283
8" 80 8.625 0.500 1218 1218 1050 1131 963 985 919 941 1218
40 8.625 0.322 771 771 665 716 610 623 582 596 771
160 8.625 0.906 2298 2298 1982 2133 1817 1858 1734 1775 2298

Thickness Tolerence Chart Of Carbon Steel ST 35 Pipe

Outer diameter and wall Thickness
Execution Size Range Wall tolerances OD Tolerance
Hot-rolled ODia – 80 mmOD > 80 mm < 12 mm - 12 mm ± 0.7 mm± 5 % x wallthick + 0.1 mm ± 0.4 mm± 0.5 % of OD
cold-drawn tube ODia < 40 mm40 - 80 mm > 80 < 6 mm 6 - 8 mm > 8 ± 0.30 mm± 0.35 mm± 0.40 mm + 0.30/- 0 mm*+0.40/- 0 mm*+ 0.35/- 0 mm*
Hot-rolled peeled tube All sizesWall < 12 mmWall - 12 mm ± 0.8 mm± + 0.25/- 0 mm

DIN 2391 ST 52 Hydraulic Pipe Length

Outer Diameter in MM 4 To 30 41 To 50 31 To 40 61 To 70 51 To 60 81 To 90 71 To 80 91 To 100
±0.08 ±0.20 ±0.15 ±0.30 ±0.25 ±0.40 ±0.30 ±0.45
Wall Thickness Tolerance ±10%

A672 Carbon Steel Seamless Pipe exporter in China, ASTM A672 ERW Pipe Used in heat exchangers and condensers at factory price

Applications Of DIN 2391 Square Pipe

Applications Of ASME SA672 Welded Pipe

Applications

  • Petrochemicals
  • Seawater equipment
  • Construction
  • Gas processing
  • Textile Industry
  • Condenser
  • Automotive, Offshore
  • Heat exchangers




ST45 Material Distributor in Wenzhou, & Refer Chemical Composition & Mechanical Propeties 1.0408 Steel Pipes

Chemical Properties Of ST 52.3 Carbon Steel Pipe

Standard> Grade> Si> P max> C> S max> Mn>
DIN2391 ST52 ≤0.55 0.025 ≤0.22 0.025 ≤1.6

Carbon Steel ST 35 Round Pipe Chemical Properties

Grade S max Si C P max Mn
ST35 0.025 ≤0.35 ≤0.17 0.025 ≥0.4

Chemical Compositions Of Carbon Steel DIN 2391 ST 45 Exhaust Pipe

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

Carbon Steel DIN 2391 ST 45 Mechanical Properties

DIN 2391 Pipe Manufacturer In China Ensure Accuracy Of Mechanical Properties of Pipes

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

Mechanical Properties DIN 2391 ST35 Capipllary Tube


Cold drawn(Mandatory)		 Cold Drawn and Stress Release Cold drawn(Soft) Normalizing Anneal
BK1） (BKS) BKW1） (NBK)1） (GBK)1）
Grade Tensile Yield point Elongation Tensile Tensile Elongation Tensile Elongation Yield point Tensile
N/mm2 N/mm2 % N/mm2 N/mm2 % N/mm2 % N/mm2 N/mm2
St35 480 315 10 420 420 6 340~470 35 235 315

Carbon Steel DIN 2391 ST 52 Mechanical Properties

  Cold drawn(Soft) Cold drawn(Mandatory) Anneal Cold Drawn and Stress Release Normalizing
BKW1） BK1） (GBK)1） (BKS) (NBK)1）
Grade Elongation Tensile Elongation Tensile Elongation Tensile Yield point Tensile Elongation Yield point Tensile Elongation
% N/mm2 % N/mm2 % N/mm2 N/mm2 N/mm2 % N/mm2 N/mm2 %
St52 7 580 4 640 22 490 420 580 10 355 490~630 22

Difference Between DIN 2391 st52 Pipe VS DIN 1629 st52 Pipe

Difference Between DIN 2391 st52 Pipe VS DIN 1629 st52 Pipe

Difference

Property DIN 2391 52 Pipe DIN 1629 52 Pipe
Manufacturing Process Better precision Hot finished or cold finished
Testing Accuracy and surface finish Ultrasonic testing
Dimensional Tolerance Tight tolerances Standard tolerances
Surface Finish smooth finish rough surface
Mechanical Properties Strict controls Good tensile , yield strength
Chemical Composition Defined composition and tolerances Specific standards vary
Usage High-performance applications Structural engineering
Pipe Type Precision seamless pipe Seamless pipe



What Makes Yaye Industrial DIN 2391 Pipe Manufacturing Company stand out?

  • Innovative Technologies Used
  • Manufacturing Processes
  • Quality Of Product

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