X3CRNIMON27-5-2
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Refer to each source for mass fractions and analysis type. Missing values are not treated as 0. Manufacturer typical values, standard guarantees and measured heat results must remain separate. Use the material selector for calculations and condition selection.
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X3CrNiMoN27-5-2 · EN 10088-1-2005
Chemical composition source verified; this does not verify every standard clause, actual supply or measured heat results
- Material form
- Reference record
- Original record status
- Original standard verified
- Standard edition
- EN 10088-1-2005
- Table / clause
- Table 5, note a/b/c and asterisks, covering all 9 duplex corrosion-resistant steel grades
- PDF page references
- 1、3、13
Carbon-equivalent reference
Estimates are presented separately for each applicable composition condition. Match the actual ordering conditions; ranges must not be combined.
Table 5 default S≤.015; the long-product condition in note b has not been selected
Note b: S≤.030 applies to bars, wire rod, wire, sections, bright products and the relevant semi-finished products
Note b recommends and permits S .015–.030 for machinability
Note b recommends and permits S .008–.030 for weldability
Note b recommends S≤.015 for polishability
Composition record (conditional branches apply; this is not an unconditional requirement)
| Element | Composition requirement |
|---|---|
| C | ≤ 0.05 (lower limit not stated) |
| Si | ≤ 1.0 (lower limit not stated) |
| Mn | ≤ 2.0 (lower limit not stated) |
| P | ≤ 0.035 (lower limit not stated) |
| S | ≤ 0.015 (lower limit not stated) |
| N | 0.05 ～ 0.2 |
| Cr | 25.0 ～ 28.0 |
| Mo | 1.3 ～ 2.0 |
| Ni | 4.5 ～ 6.5 |
Applicability and limitations
EN10088-1:2005 Table 5 duplex (austenitic-ferritic) corrosion-resistant stainless steels, heat analysis wt%; Official SIST adoption preview PDF13. ; Note a: unlisted elements must not be intentionally added without purchaser consent, except additions needed to finish the heat; Blanks shall not be filled with zero or guessed as residual limits. ; Note b: sulfur morphology/performance exceptions apply only to X3CrNiMoN27-5-2 and cannot be relaxed to .030 for all duplex steels. ; Note c: for X2CrNiMoN22-5-3 only, PRE>34 may be specified by agreement between both parties; the inequality is strict; PRE=Cr+3.3Mo+16N is the pitting resistance equivalent, which differs from carbon equivalents such as IIW. ; Asterisks in the original table indicate patented grades; no judgment is made on current patent validity or supply rights. ; A grade-listing standard does not independently establish delivery properties for a specific product, cold-heading suitability or the company’s ability to supply it; Adoptions of standards from other countries still require individual verification.
Original condition-branch records
Table 5 default S≤.015; the long-product condition in note b has not been selected
| Element | Composition requirement |
|---|---|
| C | ≤ 0.05 (lower limit not stated) |
| Si | ≤ 1.0 (lower limit not stated) |
| Mn | ≤ 2.0 (lower limit not stated) |
| P | ≤ 0.035 (lower limit not stated) |
| S | ≤ 0.015 (lower limit not stated) |
| N | 0.05 ～ 0.2 |
| Cr | 25.0 ～ 28.0 |
| Mo | 1.3 ～ 2.0 |
| Ni | 4.5 ～ 6.5 |
Note b: S≤.030 applies to bars, wire rod, wire, sections, bright products and the relevant semi-finished products
| Element | Composition requirement |
|---|---|
| C | ≤ 0.05 (lower limit not stated) |
| Si | ≤ 1.0 (lower limit not stated) |
| Mn | ≤ 2.0 (lower limit not stated) |
| P | ≤ 0.035 (lower limit not stated) |
| S | ≤ 0.03 (lower limit not stated) |
| N | 0.05 ～ 0.2 |
| Cr | 25.0 ～ 28.0 |
| Mo | 1.3 ～ 2.0 |
| Ni | 4.5 ～ 6.5 |
Note b recommends and permits S .015–.030 for machinability
| Element | Composition requirement |
|---|---|
| C | ≤ 0.05 (lower limit not stated) |
| Si | ≤ 1.0 (lower limit not stated) |
| Mn | ≤ 2.0 (lower limit not stated) |
| P | ≤ 0.035 (lower limit not stated) |
| S | 0.015 ～ 0.03 |
| N | 0.05 ～ 0.2 |
| Cr | 25.0 ～ 28.0 |
| Mo | 1.3 ～ 2.0 |
| Ni | 4.5 ～ 6.5 |
Note b recommends and permits S .008–.030 for weldability
| Element | Composition requirement |
|---|---|
| C | ≤ 0.05 (lower limit not stated) |
| Si | ≤ 1.0 (lower limit not stated) |
| Mn | ≤ 2.0 (lower limit not stated) |
| P | ≤ 0.035 (lower limit not stated) |
| S | 0.008 ～ 0.03 |
| N | 0.05 ～ 0.2 |
| Cr | 25.0 ～ 28.0 |
| Mo | 1.3 ～ 2.0 |
| Ni | 4.5 ～ 6.5 |
Note b recommends S≤.015 for polishability
| Element | Composition requirement |
|---|---|
| C | ≤ 0.05 (lower limit not stated) |
| Si | ≤ 1.0 (lower limit not stated) |
| Mn | ≤ 2.0 (lower limit not stated) |
| P | ≤ 0.035 (lower limit not stated) |
| S | ≤ 0.015 (lower limit not stated) |
| N | 0.05 ～ 0.2 |
| Cr | 25.0 ～ 28.0 |
| Mo | 1.3 ～ 2.0 |
| Ni | 4.5 ～ 6.5 |