1.4539 Stainless Steel Pipe Tolerances and Dimensional Chart
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1.4539 stainless steel (UNS N08904 / 904L) is widely used in chemical, marine, and industrial applications due to its superior corrosion resistance and high strength. For engineers and buyers, understanding pipe tolerances and dimensional standards is essential for proper installation and quality assurance.
What are the dimensional tolerances for 1.4539 stainless steel pipe?
Tolerances are based on the outer diameter and wall thickness and follow the ASTM A312 / EN 10217 standards (see table below).
Note: Tolerances comply with ASTM A312 / EN 10217 standards.
| Pipe OD (mm) | Wall Thickness (mm) | Tolerance on OD (±mm) | Tolerance on WT (±mm) |
|---|---|---|---|
| 6 – 50 | 0.5 – 3 | ±0.10 | ±0.05 |
| 51 – 100 | 1 – 4 | ±0.15 | ±0.08 |
| 101 – 200 | 2 – 6 | ±0.20 | ±0.10 |
| 201 – 300 | 3 – 8 | ±0.25 | ±0.12 |
| 301 – 530 | 4 – 12 | ±0.30 | ±0.15 |
Which standards cover the tolerances for 1.4539 stainless steel pipe?
ASTM A312 – Seamless and Welded Pipe
EN 10217 – Welded Pipe
ISO 1127 – Stainless Steel Pipe Dimensions
Wall Thickness and Length Options
| Standard | Nominal Pipe Size | Wall Thickness | Length |
|---|---|---|---|
| ASTM A312 | 1/2″ – 24″ | 0.5 – 30 mm | 6 – 12 m |
| EN 10217 | DN15 – DN500 | 1 – 20 mm | 6 – 12 m |
is the tolerances for seamless and welded 1.4539 stainless steel pipe the same?
No, the tolerances for seamless and welded 1.4539 (UNS N08904) stainless steel pipe are not the same; seamless pipe generally offers tighter tolerances, especially in demanding applications, while welded pipe, particularly when cold-formed or drawn, can also achieve tight tolerances for specific dimensions like outside diameter (OD) and wall thickness.
Chemical Composition of 1.4539 Stainless Steel Pipe
| Element | Typical Range |
|---|---|
| Carbon (C) | ≤ 0.02 |
| Chromium (Cr) | 19 – 23 |
| Nickel (Ni) | 23 – 28 |
| Molybdenum (Mo) | 4 – 5 |
| Copper (Cu) | 1 – 2 |
| Manganese (Mn) | ≤ 2 |
| Silicon (Si) | ≤ 1 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.02 |
| Nitrogen (N) | ≤ 0.1 |
Mechanical Properties of 1.4539 Stainless Steel Pipe
| Property | Typical Value | Unit |
|---|---|---|
| Tensile Strength | 490 – 710 | MPa |
| Yield Strength | ≥ 220 | MPa |
| Elongation | ≥ 35 | % |
| Hardness | ≤ 90 | HRB |
| Modulus of Elasticity | 200 | GPa |
| Density | 8.03 | g/cm³ |
Why Choose Gnee for 1.4539 Stainless Steel Pipes?
Over 18 years of export experience in stainless steel pipes and tubes
Stock of seamless & welded 1.4539 pipes in multiple sizes
Certified by ISO, SGS, BV, meeting ASTM, EN, JIS, DIN standards
Custom services: cutting, bending, polishing, welding
Seaworthy packaging and fast delivery (7–15 days)
📩 Contact Gnee today for a full dimensional chart, quotation, and technical support for 1.4539 stainless steel pipes tailored to your project.
