Y12CR18NI9SE
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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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Y12Cr18Ni9Se · GB /T 20878-2007
Chemical composition source verified; this does not verify every standard clause, actual supply or measured heat results
- Material category
- Stainless steel
- Subcategory
- Austenitic stainless and heat-resistant steels
- Material form
- Reference record
- Original record status
- Original standard verified
- Standard edition
- GB/T 20878—2007
- Table / clause
- Table 1, No. 16
- PDF page references
- 6
- Unit
- Mass fraction (wt%)
- Analysis type
- Standard composition requirements
Carbon-equivalent reference
Composition
| Element | Composition requirement |
|---|---|
| C | ≤ 0.15 (lower limit not stated) |
| Si | ≤ 1 (lower limit not stated) |
| Mn | ≤ 2 (lower limit not stated) |
| P | ≤ 0.2 (lower limit not stated) |
| S | ≤ 0.06 (lower limit not stated) |
| Ni | 8 ～ 10 |
| Cr | 17 ～ 19 |
| Se | ≥ 0.15 (upper limit not stated) |
Applicability and limitations
Table 1 composition, mass fractions wt%; Parenthetical values are maximum permitted additions. This standard does not establish a guarantee of cold-heading suitability or actual supply. GB/T 20878—2007 is a historical edition; This record does not replace verification of the current standard, contract or material applicability.