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| Specifications | ASTM A/ASME SA213 / A249 / A269 |
| Dimensions | ASTM, ASME and API |
| SS 904L Tubes Size | 10.29 OD (mm) – 762 OD (mm) |
| Thickness | 0.35 OD (mm) to 6.35 OD (mm) in thickness ranging from 0.1mm to 1.2mm. |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round Tubes, Custom Tubes, Square Tubes, Rectangular Tubes, “U” Shape, Hydraulic Tubes |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
Specifications for 904L Stainless Steel Seamless and Welded Tubes. If any specification is not mentioned here, please use the contact button for quick quote.
OD Tolerance of 904L UNS N08904 Welded Pipe
| Outside Diameter (OD), inch | Tolerance, mm |
|---|---|
| 1-1/2＜OD≤4 | ±0.79 |
| 1/8≤OD≤1-1/2 | ±0.40 |
| 4＜OD≤8 | +1.59/-0.79 |
| OD>12 | ±1% |
| 8＜OD≤12 | +2.38/-0.79 |
| OD (in.) | Tolerance, % |
|---|---|
| 3≤OD≤18, WT/OD≤5% | +22.5/-12.5 |
| 1/8≤OD≤2-1/2 | +20.0/-12.5 |
| 3≤OD≤18, WT/OD & 5% | +15.0/-12.5 |
| OD≥20, WT/OD & 5% | +15.0/-12.5 |
| OD≥20, WT/OD≤5% | +22.5/-12.5 |
ASTM A269 (seamless/ welded tube)
ASTM A213 (seamless/ welded tube)
ASTM A240 (plate and sheet)
ASTM A312 (seamless/ welded pipe)
EN 10216-5 (seamless tube and pipe)
ASTM B677 (seamless tube and pipe)
ASTM A276, A479, A484 (bar)
| Grade | HSN Code |
|---|---|
| 904L | 73063000 |
| Temperature, °F | Btu/(lb °F) | Temperature, °C | J/(kg °C) |
|---|---|---|---|
| 1300 | 0.15 | 700 | 615 |
| 1200 | 0.15 | 600 | 605 |
| 1000 | 0.14 | 500 | 590 |
| 800 | 0.14 | 400 | 570 |
| 600 | 0.13 | 300 | 545 |
| 400 | 0.12 | 200 | 515 |
| 200 | 0.12 | 100 | 485 |
| 68 | 0.11 | 20 | 460 |
Manufacturing Process of SS 904L Pipe
Physical Properties of SS 904L Seamless Pipe
| Grade | Electric Resistivity | Density | Elastic Modulus | TH.C. (W/m.K) | Heat | TH.E (µm/m/°C) | |||
|---|---|---|---|---|---|---|---|---|---|
| 20°C | 500°C | 0-315°C | 0-100°C | 0-538°C | |||||
| 904L | 952 nΩ.m | 7900 kg/m3 | 190 GPa | 11.5 | – | 500 J/kg.K(0-100°C) | – | 15 | – |
SS 904L Seamless Tube Weight Chart
| NPS | Wall Thickness | Weight | Weight |
|---|---|---|---|
| inch | inch | Lb/ft | kg/Mtr |
| 1/2 | .109 | .851 | 1.268 |
| 3/4 | .113 | 1.131 | 1.684 |
| 1 | .133 | 1.679 | 2.501 |
| 1 1/4 | .140 | 2.273 | 3.385 |
| 1 1/2 | .145 | 2.718 | 4.048 |
| 2 | .154 | 3.653 | 5.441 |
| 2 1/2 | .203 | 5.793 | 8.629 |
| 3 | .216 | 7.576 | 11.284 |
| 4 | .237 | 1 .790 | 16.073 |
| 6 | .188 | 12.924 | 19.252 |
| 8 | .188 | 16.940 | 25.233 |
| 10 | .188 | 21.207 | 31.588 |
| 12 | .188 | 25.222 | 37.570 |
| 14 | .188 | 27.732 | 41.308 |
| 16 | .188 | 21.748 | 47.290 |
| 18 | .219 | 41.588 | 61.948 |
| 20 | .250 | 52.733 | 78.547 |
| 24 | .250 | 63.413 | 94.456 |
| 30 | .250 | 79.433 | 118.318 |
| 36 | .250 | 95.453 | 142.180 |
| 42 | .312 | 138.911 | 206.914 |
| 48 | .375 | 19 .738 | 284.112 |
| Parameter | Value |
|---|---|
| Melting point | 1300 to 1390 °C |
| Density | 8.0 g/cm3 |
