TNI2.4-0.6-0.5
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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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TNi2.4-0.6-0.5 · GB/T 5231-2012
Chemical composition source verified; this does not verify every standard clause, actual supply or measured heat results
- Material category
- Copper and copper alloys
- Material form
- Reference record
- Original record status
- Original standard verified
- Standard edition
- GB/T 5231-2012
- Table / clause
- Table 2, row 10, designation C18000
- PDF page references
- 6
- Unit
- Mass fraction (wt%)
Carbon-equivalent reference
Composition
| Element | Composition requirement |
|---|---|
| Cr | 0.1 ～ 0.8 |
| Si | 0.4 ～ 0.8 |
| Fe | ≤ 0.15 (lower limit not stated) |
Applicability and limitations
Mass fraction wt%; GB/T 5231-2012, Table 2, row 10, designation C18000; original scan PDF page 6 (printed page 4). Where Cu is marked as the balance, no numerical range is invented; A dash means unspecified and must not be entered as zero. Clause 2.2: single tabulated impurity values are maxima; Manufacturer supply and the chemical composition in this standard require separate confirmation. Table 2, note a: high-copper alloys have copper content between 96.0% and 99.3%; This standard does not establish a guarantee of cold-heading wire supply. Tabulated total impurities ≤0.65%; this is not the maximum for each unlisted element. Table 2, note c: tabulated 1.8%–3.0% is a combined Ni+Co range and must not be split into an independent Ni range.
Combined limits
- Combined-element limits
- Element coefficient
- Ni
- 1
- Co
- 1
- Lower limit
- 1.8
- Upper limit
- 3.0
- Requirement
- Table 2, note c: Ni+Co range
- Elements requiring measured values from the same heat
- Co
- Ni