| Type: | Welded |
|---|---|
| Technique: | ERW |
| Material: | Stainless Steel |
| Surface Treatment: | Polished |
| Usage: | Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration |
| Section Shape: | Round |
| Samples: |
|---|
| Customization: |
|---|
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Audited Supplier EN 10217-2 Pipe Specification
| Types | ERW (Electric Resistance Welded Pipes) |
| Standard | EN10217 |
| Outer Diameter | 1-24 inches( 33.4—609.6mm) |
| Length | Min 3 Meters, Max18 Meters, or according to customer’s requirement. |
| Size | NPS 1 TO NPS 24 [DN25 to DN 600], with nominal (average) wall thickness as given in ASME B 36.10M or as customer’s requirement. |
| Thickness | 3-12mm |
EN 10217-7 Pipe Tolerance Chart
| Execution | Size Range | OD Tolerance | Wall tolerance |
| Hot-rolled Tube | OD - 80 milimeter OD > 80 milimeter Wall < 12 milimeter Wall - 12 milimeter | ± 0.4 milimeter ± 0.5 % of OD | ± 0.7 milimeter ± (5 % x wallthickness + 0.1 milimeter |
| Hot-rolled peeled tube | All sizesWall < 12 milimeter Wall - 12 milimeter | + 0.25/- 0 milimeter | ± 0.8 milimeter ± (5 % x wall thickness+ 0.2 milimeter ) |
| Cold Worked tube cold-rolled or cold-drawn | OD < 40 milimeter OD 40 - 80 milimeter OD > 80 Wall Thickness< 6 milimeter Wall Thickness6 - 8 milimeter Wall Thickness > 8 | + 0.30/- 0 milimeter *+ 0.35/- 0 milimeter *+ 0.40/- 0 milimeter * | ± 0.30 milimeter ± 0.35 milimeter ± 0.40 milimete |
Comparison of materials
| M.-No. | DIN | AISI |
|---|---|---|
| 1.4301 | x5CrNi 18 10 | 304 |
| 1.4307 | x2CrNi 19 9 | 304 L |
| 1.4541 | x6CrNiTi 18 10 | 321 |
| 1.4571 | x6CrNiMoTi 17 12 2 | 316 TI |
| 1.4404 | x2CrNiMo 17 13 2 | 316 L |
| 1.4828 | x15CrNiSi 20-12 | 309 |
Analyses (DIN 17440)
| W.-No. | C | Cr | Ni | Mo | ... |
|---|---|---|---|---|---|
| 1.4301 | 0,07 | 17,0 - 19,5 | 8,0 - 10,5 | - | - |
| 1.4307 | 0,03 | 17,5 - 19,5 | 8,0 - 10,0 | - | - |
| 1.4541 | 0,08 | 17,0 - 19,0 | 9,0 - 12,0 | - | TI 5 x % C |
| 1.4571 | 0,08 | 16,5 - 18,5 | 10,5 - 13,5 | 2,0 - 2,5 | Ti 5 x % C |
| 1.4404 | 0,03 | 16,5 - 18,5 | 11,0 - 13,5 | 2,0 - 2,5 | - |
| 1.4435 | 0,03 | 16,5 - 18,5 | 11,0 - 13,5 | 2,0 - 2,5 | - |
| 1.4539 | 0,02 | 19,0 - 21,0 | 24,0 - 26,0 | 4,0 - 5,0 | - |
| 1.4828 | 0,02 | 19,0 - 21,0 | 11,0 - 13,0 | - | Si 1,5 -2,0 |
| 1.4841 | 0,02 | 24,0 - 26,0 | 19,0 - 22,0 | - | Si 1,5 -2,0 |
C (Carbon) max. %
Cr (Chrome) %
Ni (Nickel) %
Mo (Molybdenum) %
Ti (Titanium) min. %
Si (Silicon) %
Comparison DIN <> EN
| DIN (old) | EN (new) | Type of design |
|---|---|---|
| 17455 | 10296-2 | without special requirements |
| 17457 | 10217-7 | for pressure stresses |
| PK1 | TC1 | Test Class 1 (without AD2000/W2) |
| PK2 | TC2 | Test Class 2 (with AD2000/W2) |
| d0 | W0 | not pickled, Hot-rolled strip |
| d0g | W0b | -"-, -"-, smooth inside seam |
| d1 | W1 | pickled, Hot-rolled strip |
| d1g | W1b | -"-, -"- , smooth inside seam |
| d2 | W1A | heat-treated, pickled, Hot-rolled |
| d2g | W1Ab | -"-, -"-, -"-, smooth inside seam |
| d3 | W1R | bright annealed, made of hot-roll |
| d3g | W1Rb | -"-, -"-, smooth inside seam |
| k0 | W0 | not pickled, made of cold-rolled |
| k0g | W0b | -"-, -"-, smooth inside seam |
| k1 | W2 | pickled, made of cold-rolled strip |
| k1g | W2b | -"-, -"-, smooth inside seam |
| k2 | W2A | heat-treated, pickled, cold-rolled strip |
| k2g | W2Ab | -"-, -"-, -"-, smooth inside seam |
| k3 | W2R | bright annealed,m.o. c.-rol. strip |
| k3g | W2Rb | -"-, -"-, smooth inside seam |
| 11 | WCA | heat-treated, min.20% cold-forming |
| 12 | WCR | -"-, -"-, smooth inside seam |
| o | WG | ground |
| p | WP | polished |
| g | b | smoothed seam |
| SEP1914 | 10246-3 | Inline eddy current testing |
| SEP1925 | 10246-2 | Offline eddy current testing |
| DIN (old) | EN (new) | Surface |
|---|---|---|
| 17457 | 10217-7 | metallic clean |
| d0 | W0 | metallic clean |
| d0g | W0b | metallic clean |
| d1 | W1 | metallic clean |
| d1g | W1b | metallic clean |
| d2 | W1A | metallic clean |
| d2g | W1Ab | metallic clean |
| d3 | W1R | metallic clean |
| d3g | W1Rb | metallic clean |
| k0 | W0 | met. clean, smoother than d0 |
| k0g | W0b | met. clean, smoother than d0 |
| k1 | W2 | met. clean, smoother than d1-d3 |
| k1g | W2b | bare metal, smoother than d1-d3 |
| k2 | W2A | bare metal, smoother than d1-d3 |
| k2g | W2Ab | bare metal, smoother than d1-d3 |
| k3 | W2R | bare metal, smoother than d1-d3 |
| k3g | W2Rb | bare metal, smoother than d1-d3 |
| 11 | WCA | bare metal, seam barely noticeable |
| 12 | WCR | bare metal, seam barely noticeable |
| o | WG | matching grain or Ra |
| p | WP | match the quality and type |
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