ASTM.DIN.JlS Stainless Steel Pipe Tolerance
May 08, 2025
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When selecting stainless steel pipes for industrial and engineering applications, understanding the pipe tolerances according to recognized standards such as ASTM, DIN, and JIS is crucial. These standards ensure consistent quality and dimensional accuracy, which is essential for seamless integration into piping systems. Each standard specifies precise tolerances for factors such as outside diameter and wall thickness, ensuring that the pipes meet the required mechanical and performance criteria.
| Standard (specification) | Nominal OD | Allowable Deviation | Nominal Thickness | Allowable Deviation % |
|---|---|---|---|---|
| ASTM A312/A312M | 1/8 - 1 1/2" [10.29 - 48.26] | +0.4 - 0.8 | 1/8 - 1 1/2" [10.29 -73.03] (All) | +20 -12.5 |
| >1 1/2 - 4" [48.26 - 114.3] | +0.8 | 3 - 18" [88.9 - 457.2] (D ≤5%) | +20 -12.5 | |
| >4 - 8" [114.3 - 219.08] | +1.6 - 0.8 | 3 - 18" [88.9 - 457.2] (D ≤5%) | +15 -12.5 | |
| >8 -18" [219.08 -457.2] | +2.4 - 0.8 | ≥20" [508] (D ≤5%) | +17.5 -12.5 | |
| >18 -26" [457.2 -660.4] | +3.2 - 0.8 | ≥20" [508] (D ≤5%) | +22.5 -12.5 | |
| >26 -34" [660.4 -863.6] | +4.0 - 0.8 | |||
| >34 -48" [863.6 -1219.2] | +4.8 - 0.8 | |||
| *Note: For tubing with I/D ≤3% ovality, D max - D min ≤1.5% of nominal D, and (D max - D min)/2 within specified OD tolerance range. | ||||
| ASTM A213/A213M | <1" [25.4] | ±0.1 | ||
| ≥1 -1 1/2" (not included) [25.4 -38.1] | ±0.15 | |||
| ≥1 1/2 -2" (not included) [38.1 -50.8] | ±0.20 | |||
| 2 -2 1/2" (not included) [50.8 -63.5] | ±0.25 | |||
| 2 1/2 -3" (not included) [63.5 -76.2] | ±0.30 | |||
| 3 -4" [76.2 -101.6] | ±0.38 | |||
| >4 -7 1/2" [101.6 -190.5] | +0.38 -0.64 | |||
| >7 1/2 -9" [190.5 -228.6] | +0.38 -1.14 | |||
| ASTM A269 -08 | <1/2" [12.7] | ±0.13 | ||
| 1/2 -1 1/2" (not included) [12.7 -38.1] (t <1.65mm thin - walled) | ±0.13 | |||
| 1 1/2 -3" (not included) [38.1 -88.9] (t <2.41mm thin - walled) | ±0.25 | |||
| 3 1/2 -5" (not included) [88.9 -139.7] (t <3.81mm thin - walled) | ±0.38 | |||
| 5 1/2 -8" (not included) [139.7 -203.2] (t <3.81mm thin - walled) | ±0.76 | |||
| 8 -12" (not included) [203.2 -304.8] (t <5.08mm thin - walled) | ±1.01 | |||
| 12 -14" (not included) [304.8 -355.6] (t <5.59mm thin - walled) | ±1.26 | |||
| ASTM A789/A789M -04a | <1/2" [12.7] | ±0.13 | ||
| 1/2 -1 1/2" (not included) [12.7 -38.1] (t <1.65mm thin - walled) | ±0.13 | |||
| 1 1/2 -3 1/2" (not included) [38.1 -88.9] (t <2.41mm thin - walled) | ±0.25 | |||
| 3 -5" [88.9 -139.7] (t <3.81mm thin - walled) | ±0.38 | |||
| 5 1/2 -10" [139.7 -254] (t <3.81mm thin - walled) | ±0.46 |
| Standard (specification) | Nominal OD | Allowable Deviation | Nominal Wall Thickness | Allowable Deviation |
|---|---|---|---|---|
| JIS G3459 - 2006 | D ≤30 | ±0.30 | S ≤2 | ±0.20 |
| D >30 | ±1.0% | S >2 | ±10.0% | |
| JIS G3463 - 2006 | D <60 | ±0.25 | D <40, S <2 | +0.4 - 0.0 |
| 60 -80 (not included) | ±0.30 | D <40, S ≥2 | +0.4 - 0.0 | |
| 80 -100 (not included) | ±0.40 | D ≥40, S <2 | +0.4 - 0.0 | |
| 100 -120 (not included) | +0.40 -0.60 | D ≥40, S ≥2 | +20% - 0.0 | |
| 120 -160 (not included) | +0.40 -0.80 | D =40 | +22% - 0.0 | |
| 160 -200 (not included) | +0.40 -1.20 | D >40 | +22% - 0.0 | |
| D >200 | +0.40 -1.60 | |||
| DIN 17456 17458 | Grade D2 | ±1.0% ±0.5min | Grade T3 | ±10.0% ±0.2min |
| Grade D3 | ±0.75% ±0.3min | Grade T4 | ±7.5% ±0.15min | |
| Grade D4 | ±0.5% ±0.1min | |||
| EN 10216 -5 -2004 EN 10297 -2 -2005 |
Grade D3 | ±0.75% ±0.3min | Grade T3 | ±10.0% ±0.2min |
| Grade D4 | ±0.5% ±0.1min | Grade T4 |
