1.交货条件的组合
表D.1-交货时热处理条件、产品形式和适用要求的组合
| Heat-treat- ment con- dition at delivery | Symbol | Product form a | Steel a | Applicable requirements | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Wire rod | Bar | Wire | Ferri- tic | Marten- sitic | Austenit- ic and austenit- ic- ferritic | |||||
| Solution annealed or solution annealed +peeled | +AT or AT+PE | X | X | X | — | — | X | Chemical compo- sition as specified in Table D.2 | Mechani- cal prop- erties as speci- fied in Tables D.3, D.4 and D.6 | Supple- mentary or special re- quirements as specified in Annex Eb |
| Solution annealed +cold drawn | +AT+C | — | X | X | — | — | X | |||
| Solution an- nealed +cold drawn + solution an- nealed | +AT+C +AT | X | X | X | ||||||
| Solution an- nealed +cold drawn+solu- tion annealed + skin passed | +AT+C +AT+ LC | X | X | X | ||||||
| Soft annealed or soft annealed + peeled | +A or +A+PE | X | X | X | X | X | — | |||
| Soft annealed + skin passed | +A+LC | — | X | X | X | X | — | |||
| Soft annealed + cold drawn + soft annealed | +A+C +A | X | X | X | X | |||||
| Soft annealed + cold drawn+ soft annealed + skin passed | +A+C +A+LC | — | X | X | X | X | — | |||
| Others | Other delivery conditions may be agreed at the time of enquiry and order. | |||||||||
| a X=applicable,-=not applicable. b If agreed at the time of the enquiry and order | ||||||||||
2.化学组成
化学成分来源与适用范围
以下为所列标准版本的参考成分，非炉批实测；订单适用标准、原料与成品要求须分别确认。
来源: ISO 4954:2018 · Table D.2 · X6NiCrTiMoVB25-15-2 · p.59
| 元素 | 质量分数 / % |
|---|---|
| C | ≤0.08 |
| Si | ≤1 |
| Mn | ≤2 |
| P | ≤0.04 |
| S | ≤0.03 |
| Cr | 13.5–16 |
| Ni | 24–27 |
| Mo | 1–1.5 |
| Ti | 1.9–2.35 |
| Al | ≤0.35 |
| V | 0.1–0.5 |
| B | 0.001–0.01 |
Single values are maxima unless indicated otherwise; unlisted elements and blank cells are not assumed zero. Alternative limits, optional additions and analysis tolerances require the relevant table notes and order agreement. This reference table does not replace the complete standard.