产品中心／ISO 4954
MATERIAL DATA · COLD FORMING
C25GC 冷镦钢丝
C25GC 冷镦钢丝技术资料，执行标准为 ISO 4954。查看当前牌号的化学成分、力学性能及相关技术要求。
C25GC · 冷镦钢丝
01执行标准ISO 4954
02材料牌号C25GC
03材料形态冷镦钢丝
04交货说明按订单技术条件确认
STANDARD & PROPERTIES
材料技术参数
1.交货条件的组合
表A.1-交货时热处理条件、产品形式和适用要求的组合
| Delivery condition | Symbols | Product form a | Applicable requirements |
|---|
| Wire rod | Bar | Wire |
| Untreated (as hot-rolled) | +AR | X | X | - | Chemical composition as specified in Table A.2 | Mechanical properties as specified in T able A.3 | Supplementa- ry or special requirements as specified in Annex Eb |
| peeled Untreatd+ | peeled | +AR+PE | X | X | - |
| Cold drawn | +AR+C | - | X | X |
| Cold drawn+ spheroidized | +AR+C+AC | - | X | X |
| Cold drawn+ Spheroidized+skin passed | +AR+C+AC+LC | - | X | X |
| Annealed to achieve spheroidized carbides + | As treated or peeled | +AC or AC+PE | X | X | - |
| cold drawn | +AC+C | - | X | X |
| Other | Other delivery conditions may be agreed at the time of ordering |
| a X=applicable,—=not applicable b Ifagreed at the time of enquiry and order. |
2.化学组成
表A.2-冷加工后不用于热处理的钢的化学成分 (适用于铸造分析) a
| Steel name | %mass fraction a |
|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | Al b | Cu | Cr+Ni+Mo |
| C25GC | 0,23 to 0,27 | 0,15 to 0,25c | 0,80 to 1,00d | 0,025 | 0,025 | 0,30 | 0,30 | 0,10 | — | 0,30 | 0,50 |
3.力学性能
表A.3-冷加工后不用于热处理的线材、棒材和线材的力学性能
| Steel name | Diameter | Delivery Condition |
|---|
| +AR or +AR+PE | +AC or+AC+PE | +AR+C | +AR+C+AC | +AR+C+AC+LC | +AC+C |
| above mm | up to mm | Rm max. MPa | Za min. % | Rm max. MPa | Z min. % | Rm max. MPa | Z min. % | Rm max MPa | . |
Z min. %
R max. MPa | Z min. % | Rm max. MPa | Zmin. % | | C20C C20GC | 2 | 5 | —— | | | — | | | 470 | 67 | 510 | 63 | | |
| 5 | 10 | 560 | 55 | 480 | 65 | 650 | 53 | 460 | 67 | 500 | 63 | 570 | 60 |
| 10 | 40 | 560 | 55 | 480 | 65 | 640 | 53 | 460 | 67 | 500 | 63 | 560 | 60 |
| 40 | 100 | 560 | 55 | 480 | 65 | | | | — | | — | — | — |
| C25C | 2 | 5 | | | | — | | — | 500 | 65 | 540 | 60 | | |
| 5 | 10 | 590 | 50 | 510 | 60 | 680 | 50 | 490 | 65 | 530 | 60 | 600 | 55 |
| 10 | 40 | 590 | 50 | 510 | 60 | 670 | 50 | 490 | 65 | 530 | 60 | 590 | 55 |
| 40 | 100 | 590 | 50 | 510 | 60 | | — | | — | | | | |
| C25GC | 2 | 5 | | | | — | 570 | 45 | — | — | 440 | 55 | | |
| 5 | 10 | 590 | 50 | — | | 470 | 45 | | — | 440 | 55 | 440 | 55 |
| 10 | 40 | 590 | 50 | | — | 470 | 45 | — | — | 440 | 55 | 440 | 55 |
| 40 | 100 | 590 | 50 | | | | —— | | | | — | | — |
| a The values are given only for information. |
4.淬透性要求
化学成分、力学性能、交货状态及其他技术要求应以现行有效标准、客户图纸和订单技术协议为准；网页资料不替代正式质量证明文件。
