精密鑄造常用材料成份表
碳钢钢材 | ||||||
| 记号 | C | Si | Mn | P(以下) | S(以下) | Cu(以下) |
| S15C | 0.13-0.18 | 0.15-0.35 | 0.30-0.60 | 0.030 | 0.035 | 0.30 |
| S45C | 0.45-0.48 | 0.15-0.35 | 0.60-0.90 | 0.030 | 0.035 | 0.30 |
| S55C | 0.52-0.58 | 0.15-0.35 | 0.60-0.90 | 0.030 | 0.035 | 0.30 |
鎳鉻鉬钢钢材 | |||||||
| 记号 | 舊記號 | C | Si | Mn | Ni | Cr | Mo |
| SNCM220 | SNCN21 | 0.17-0.23 | 0.15-0.35 | 0.60-0.90 | 0.40-0.70 | 0.40-.65 | 0.15-0.30 |
| SNCM439 | SNCM8 | 0.36-0.43 | 0.15-0.35 | 0.60-0.90 | 1.60-2.00 | 0.60-1.00 | 0.15-0.30 |
| 4340 | --- | 0.38-0.43 | 0.15-0.30 | 0.60-0.80 | 1.66-2.00 | 0.70-0.90 | 0.20-0.30 |
| 8620 | --- | 0.18-0.23 | 0.15-0.30 | 0.70-0.90 | 0.40-0.70 | 0.40-0.60 | 0.15-0.25 |
鉻鉬钢钢材 | |||||||
| 记号 | 舊記號 | C | Si | Mn | P.S(以下) | Cr | Mo |
| SCM415 | SCM21 | 0.13-0.18 | 0.15-0.35 | 0.60-0.85 | 0.030 | 0.90-1.20 | 0.15-0.30 |
| SCM435 | SCM3 | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | 0.030 | 0.90-1.20 | 0.15-0.30 |
| SCM440 | SCM4 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | 0.030 | 0.90-1.20 | 0.20-0.30 |
| 4130 | --- | 0.28-0.33 | 0.15-0.30 | 0.40-0.60 | 0.035 | 0.80-1.10 | 0.15-0.25 |
| 4140 | --- | 0.38-0.43 | 0.15-0.30 | 0.75-1.00 | 0.035 | 0.80-1.10 | 0.15-0.25 |
碳素工具钢 | |||||
| 记号 | C | Si(以下) | Mn(以下) | P(以下) | S(以下) |
| SK3 | 1.00-1.10 | 0.35 | 0.50 | 0.030 | 0.030 |
合金工具钢 | ||||||||
| 记号 | C | Si(以下) | Mn(以下) | P(以下) | S(以下) | Cr | Mo | v |
| SKD11 | 1.40-1.60 | 0.40 | 0.60 | 0.030 | 0.030 | 11.00-13.00 | 0.80-1.20 | 0.20-0.30 |
不锈钢 | ||||||||
| 记号 | C(以下) | Si(以下) | Mn(以下) | P(以下) | S(以下) | Ni | Cr | Mo |
| 303 | 0.15 | 1.00 | 2.00 | 0.20 | 0.15 | 8.00-0.00 | 17.00-19.00 | -- |
| 304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 8.00-10.50 | 18.00-20.00 | --- |
| 316 | 0.04 | 1.00 | 2.00 | 0.045 | 0.030 | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 |
| 420 | 0.15-0.25 | 1.00 | 1.00 | 0.040 | 0.030 | --- | 12.00-14.00 | 0.0-0.60 |
| 430 | 0.12 | 1.00 | 1.00 | 0.040 | 0.030 | --- | 16.00-18.00 | 0.0-0.60 |
| 440B | 0.75-0.95 | 1.00 | 1.00 | 0.040 | 0.030 | --- | 16.00-18.00 | 0.0-0.75 |