
冷挤压钢
冷挤压钢是用于通过冷成形和挤压加工制造零部件的工程材料。它兼具大塑性变形所需的延性,以及冷成形紧固件、汽车零部件和其他精密零件所需的强度和韧性。
| 牌号 | 材料号 | C | P | S | Mn | Si | Cr |
|---|---|---|---|---|---|---|---|
| SWRCH30K | — | 0.27 - 0.33 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| SNC815HRCH | — | 0.11 - 0.18 | max 0.03 | max 0.03 | 0.3 - 0.7 | 0.15 - 0.35 | 0.55 - 1.05 |
| SMn443RCH | — | 0.4 - 0.46 | max 0.03 | max 0.03 | 1.35 - 1.65 | 0.15 - 0.35 | max 0.35 |
| SWCH38K | — | — | — | — | — | — | — |
| SWRCH40K | — | 0.37 - 0.43 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| SNCM420RCH | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.4 - 0.7 | 0.15 - 0.35 | 0.4 - 0.6 |
| SCr415RCH | — | 0.13 - 0.18 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| SWCH45K | — | — | — | — | — | — | — |
| SWRCH48K | — | 0.45 - 0.51 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| SNCM616RCH | — | 0.13 - 0.2 | max 0.03 | max 0.03 | 0.8 - 1.2 | 0.15 - 0.35 | 1.4 - 1.8 |
| SCr430RCH | — | 0.28 - 0.33 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| SWRCHB320 | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.7 - 1 | 0.1 - 0.35 | — |
| SWCH12R | — | — | — | — | — | — | — |
| SWRCH10R | — | 0.08 - 0.13 | max 0.04 | max 0.04 | 0.3 - 0.6 | — | max 0.2 |
| SCr435HRCH | — | 0.32 - 0.39 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| SWRCHB334 | — | 0.31 - 0.37 | max 0.03 | max 0.03 | 0.7 - 1 | 0.1 - 0.35 | — |
| SWCH6A | — | — | — | — | — | — | — |
| SWRCH6A | — | max 0.08 | max 0.03 | max 0.035 | max 0.6 | max 0.1 | max 0.2 |
| SCM415HRCH | — | 0.12 - 0.18 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| SWRCHB623 | — | 0.2 - 0.26 | max 0.03 | max 0.03 | 1.1 - 1.4 | 0.1 - 0.35 | — |
| SWCH15A | — | — | — | — | — | — | — |
| SWRCH16A | — | 0.13 - 0.18 | max 0.03 | max 0.035 | 0.6 - 0.9 | max 0.1 | max 0.2 |
| SCM420HRCH | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| SWCHB237 | — | 0.34 - 0.4 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.1 - 0.35 | — |
| SWCH20A | — | — | — | — | — | — | — |
| SWRCH22A | — | 0.18 - 0.23 | max 0.03 | max 0.035 | 0.7 - 1 | max 0.1 | max 0.2 |
| SCM435RCH | — | 0.33 - 0.38 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| SWCHB334 | — | 0.31 - 0.37 | max 0.03 | max 0.03 | 0.7 - 1 | 0.1 - 0.35 | — |
| SWCH12K | — | — | — | — | — | — | — |
| SWRCH15K | — | 0.13 - 0.18 | max 0.03 | max 0.035 | 0.3 - 0.6 | 0.1 - 0.35 | max 0.2 |
| SCM445RCH | — | 0.43 - 0.48 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| SWCHB623 | — | 0.2 - 0.26 | max 0.03 | max 0.03 | 1.1 - 1.4 | 0.1 - 0.35 | — |
| SWCH18K | — | — | — | — | — | — | — |
| SWRCH20K | — | 0.18 - 0.23 | max 0.03 | max 0.035 | 0.3 - 0.6 | 0.1 - 0.35 | max 0.2 |
| SNC415RCH | — | 0.12 - 0.18 | max 0.03 | max 0.03 | 0.35 - 0.65 | 0.15 - 0.35 | 0.2 - 0.5 |
| SMn420HRCH | — | 0.16 - 0.23 | max 0.03 | max 0.03 | 1.15 - 1.55 | 0.15 - 0.35 | max 0.35 |
| SWCH25K | — | — | — | — | — | — | — |
| SWRCH27K | — | 0.22 - 0.29 | max 0.03 | max 0.035 | 1.2 - 1.5 | 0.1 - 0.35 | max 0.2 |
| SNC815RCH | — | 0.12 - 0.18 | max 0.03 | max 0.03 | 0.35 - 0.65 | 0.15 - 0.35 | 0.6 - 1 |
| SMn438HRCH | — | 0.34 - 0.41 | max 0.03 | max 0.03 | 1.3 - 1.7 | 0.15 - 0.35 | max 0.35 |
| SWCH35K | — | — | — | — | — | — | — |
| SWRCH38K | — | 0.35 - 0.41 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| SNCM240RCH | — | 0.38 - 0.43 | max 0.03 | max 0.03 | 0.7 - 1 | 0.15 - 0.35 | 0.4 - 0.6 |
| SMnC443RCH | — | 0.4 - 0.46 | max 0.03 | max 0.03 | 1.35 - 1.65 | 0.15 - 0.35 | 0.35 - 0.7 |
| SWCH43K | — | — | — | — | — | — | — |
| SWRCH45K | — | 0.42 - 0.48 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| SNCM447RCH | — | 0.44 - 0.5 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.6 - 1 |
| SCr420HRCH | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| SWRCHB237 | — | 0.34 - 0.4 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.1 - 0.35 | — |
| SWCH10R | — | — | — | — | — | — | — |
覆盖此类别的标准
8性能范围
18| 性能 | 单位 | 下限 | 上限 | 牌号数 |
|---|---|---|---|---|
| Rm | N/mm² | 290 | 1076 | 48 |
| Re | N/mm² | 225 | 958 | 4 |
| A | % | 17 | 30 | 3 |
| A5 | % | 6 | 30 | 4 |
| Z | % | 30 | 55 | 48 |
| KCU | kJ/m² | 150 | 400 | 1 |
| HB | — | 121 | 255 | 3 |
| HRB | — | 80 | 97 | 37 |
| rho | g/cm³ | 7.549 | 7.9 | 6 |
| E | GPa | 152 | 217 | 4 |
| alpha | 10^-6/K | 11.9 | 15.3 | 3 |
| lambda | W/(m·K) | 26 | 56.1 | 4 |
| cp | J/(kg·K) | 465 | 720 | 3 |
| rho_el | nΩ·m | 233 | 1156 | 2 |
| Ac1 | °C | 730 | 810 | 4 |
| Ac3 | °C | 755 | 950 | 4 |
| Ar3 | °C | 690 | 840 | 4 |
| Ar1 | °C | 680 | 780 | 4 |
基于本类别中48 牌号的已记录数值得出。
成分范围
11| 性能 | 单位 | 下限 | 上限 | 牌号数 |
|---|---|---|---|---|
| B | % | 0.0008 | 0.0008 | 24 |
| C | % | 0.08 | 0.53 | 118 |
| Al | % | 0.02 | 0.02 | 10 |
| Si | % | 0.1 | 0.4 | 112 |
| P | % | 0.025 | 0.04 | 118 |
| S | % | 0.025 | 0.04 | 118 |
| Cr | % | 0.2 | 1.8 | 90 |
| Mn | % | 0.3 | 1.7 | 118 |
| Ni | % | 0.2 | 3.5 | 88 |
| Cu | % | 0.25 | 0.3 | 92 |
| Mo | % | 0.15 | 0.6 | 25 |
基于本类别中118 牌号的已记录数值得出。






