
DIN 1626 St 37 Pipes
DIN 1626 St52 Spiral Welded Steel Pipe
DIN 1626 Pipes
Table of contents
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Specification chart of DIN 1626 St 37 Pipes
DIN 1626 St 37 Pipes Sizes
DIN 1626 St 37 ERW Pipes size
DIN 1626 St 37 Welded Pipes size
Straightness
Wall Thickness
Outer Diameter
Manufacturing Types
Surface Finish
Certificates
Form
Brands
Testing
Schedule
Marking
End type
Tensile Strength
Coating
Standard
Welding methods
Length
Dimensional Standard
Packaging
Weldings
Yield Strength
Norma DIN 1626 Mechanical Properties
| Grade | Tensile | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation |
| St37 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 35 | 340~470 | 235 | 25 |
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DIN 1626 Spiral Welded Steel Pipe Size Chart
| 1/8 Inch IPS(.405 Inch Outer Diameter) | 3 1/2 Inch IPS( 4.000 Inch Outer Diameter) |
| 3/8 Inch IPS(.675 Inch Outer Diameter) | 5 Inch IPS( 5.563 Inch Outer Diameter) |
| Schedule 40, 80 | Schedule 10, 40, 80, 160, XXH |
| 1/4 Inch IPS(.540 Inch Outer Diameter) | 4 Inch IPS(4.500 Inch Outer Diameter) |
| Schedule 10, 40, 80 | Schedule 10, 40, 80, 160, XXH |
| Schedule 10, 40, 80, 160, XXH | Schedule-40 (.375) |
| Schedule 10, 40, 80 | Schedule 10, 40, 80, 160, XXH |
| 1/2 Inch IPS(.840 Inch Outer Diameter) | 6 Inch IPS(6.625 Inch Outer Diameter) |
| Schedule 5, 10, 40, 80, 160, XXH | Schedule 5, 10, 40, 80, 120, 160, XXH |
| 3/4 Inch IPS(1.050 Inch Outer Diameter) | 8 ” IPS(8.625 Inch Outer Diameter) |
| Schedule 10, 40, 80, 160, XXH | Schedule 5, 10, 40, 80, 120, 160, XXH |
| 1 Inch IPS:(1.315′ Outer Diameter) | 10 Inch IPS(10.750 Inch Outer Diameter) |
| Schedule 5, 10, 40, 80, 160, XXH | Schedule 10, 20, 40, 80 (.500), TRUE 80(.500) |
| 2 Inch IPS(2.375 Inch Outer Diameter) | 16 Inch IPS(16.000 Inch Outer Diameter) |
| 1-1/4 Inch IPS(1.660 Inch Outer Diameter) | 12 Inch IPS(12.750 Inch Outer Diameter) |
| 1-1/2 Inch IPS(1.900 Inch Outer Diameter) | 14 Inch IPS(14.000 Inch Outer Diameter) |
| Schedule 10, 40, 80, 160, XXH | Schedule10 (.188), Schedule40 (.375) |
| Schedule 10, 40, 80, 160, XXH | Schedule 10, 20, 40(.375), TRUE40(.406), Schedule80(.500) |
| Schedule 10, 40, 80, 160, XXH | Schedule10(.188), Schedule40(.375) |
| 2 1/2 Inch IPS(2.875 Inch Outer Diameter) | 18 Inch IPS (18.000 Inch Outer Diameter) |
| 3 Inch IPS( 3.500 Inch Outer Diameter) | Schedule 5, 10, 40, 80, 160, XXH |
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Chemical Composition of DIN 1626 Spiral Steel Pipe
| Standard | Grade | Carbon | Silicon | Manganese | Phosphorous | Sulphur |
| DIN1626 | St37 | ≤0.17 | ≤0.35 | ≥0.35 | 0.04 | 0.04 |
| Wall Thickness | Outer Diameter Sizes in Inch |
|---|---|
| .012 | 1/8 |
| .010 | 1/8, 1/16, 3/16 |
| .065 | 3/4, 2 1/2, 1 1/4, 1 5/8, 1/2, 5/16, 7/8, 1, 1 3/4, 3/8, 16, 5/8, 1 1/2, 2, 3, 1/4 |
| .020 | 1/16, 3/8, 5/16, 1/4, 1/8, 3/16 |
| .125 | 3, 3/4, 1 1/4, 1, 1 1/2, 3 1/4, 2 |
| .120 | 1 1/2, 1/2, 2, 3/4, 3, 2 1/4, 1, 5/8, 2 1/2, 7/8, 1 1/4 |
| .016 | 1/8, 3/16 |
| .028 | 3/16, 3/8, 5/16, 3/4, 1 1/2, 1/2, 1/4, 1, 2, 1/8 |
| .035 | 1/4, 5/8, 3/4, 3/8, 2 1/4, 16, 3/16, 1 5/8, 1/2, 2, 7/16, 5/16, 1, 1/2, 7/8, 1 1/4, 1/8, 1 |
| .134 | 1 |
| .049 | 1 5/8, 2, 1 1/8, 1 1/4, 5/16, 3/4, 2 1/4, 1, 5/8, 1/2, 16, 3/16, 7/8, 3/8, 1/4, 1 1/2 |
| .083 | 3/4, 1 1/4, 1/2, 1/4, 5/8, 7/8, 2 1/2,3, 1 7/8, 1, 1 5/8, 3/8, 1 1/2, 2 |
| .095 | 1, 1-1/4, 1-1/2, 5/8, 2, 1/2, |
| .109 | 1/2, 1, 2, 1-1/4, 3/4, 1-1/2, |
| .250 | 3 |
| .375 | 3 1/2 |
Dimension Tolerance of DIN 1626 Pipes
| Outer Diameter in MM | 4 To 30 | 31 To 40 | 41 To 50 | 51 To 60 | 61 To 70 | 71 To 80 | 81 To 90 | 91 To 100 |
| ±0.08 | ±0.15 | ±0.20 | ±0.25 | ±0.30 | ±0.30 | ±0.40 | ±0.45 | |
| WT Tolerance | ±10% | |||||||
ISO 1628-1 Welded Circular Tube Properties
| Steel grade | Upper yield stress values for a design temperature of | ||||||||
| 50℃ | 200℃ 2 | 250℃ | 300℃ | ||||||
| Symbol | Material number | and a wall thickness | |||||||
| ≤16mm | >16≤40mm | ≤16mm | >16≤40mm | ≤16mm | >16≤40mm | ≤16mm | >16≤40mm | ||
| N/㎟ | |||||||||
|
USt 37.0 St 37.0 St 44.0 St 52.0 |
1.0253 1.0254 1.0256 1.0421 |
235 235 275 355 |
225 265 345 |
185 185 215 245 |
175 205 225 |
165 165 195 225 |
155 185 215 |
140 140 165 195 |
135 160 190 |