| 940 | - | 68.0 | 97 |
| 920 | - | 67.5 | 96 |
| 900 | - | 67 | 95 |
| 880 | - | 66.4 | 93 |
| 860 | - | 65.9 | 92 |
| 840 | - | 65.3 | 91 |
| 820 | - | 64.7 | 90 |
| 800 | - | 64.0 | 88 |
| 780 | - | 63.3 | 87 |
| 760 | - | 62.5 | 86 |
| 740 | - | 61.8 | 84 |
| 720 | - | 61.0 | 83 |
| 700 | - | 60.1 | 81 |
| 690 | - | 59.7 | - |
| 680 | - | 59.2 | 80 |
| 670 | - | 58.8 | - |
| 660 | - | 58.3 | 79 |
| 650 | - | 57.8 | - |
| 640 | - | 57.3 | 77 |
| 630 | - | 56.8 | - |
| 620 | - | 56.3 | 75 |
| 610 | - | 55.7 | - |
| 600 | - | 55.2 | 74 |
| 590 | - | 54.7 | - |
| 580 | - | 54.1 | 72 |
| 570 | - | 53.6 | - |
| 560 | - | 53.0 | 71 |
| 550 | - | 52.3 | - |
| 540 | - | 51.7 | 69 |
| 530 | - | 51.1 | - |
| 520 | - | 50.5 | 67 |
| 510 | - | 49.8 | - |
| 500 | - | 49.1 | 66 |
| 490 | - | 48.4 | - |
| 480 | - | 47.7 | 64 |
| 470 | - | 46.9 | - |
| 460 | - | 46.1 | 62 |
| 450 | - | 45.3 | - |
| 440 | - | 44.5 | 59 |
| 430 | - | 43.6 | - |
| 420 | - | 42.7 | 57 |
| 410 | - | 41,8 | - |
| 400 | - | 40.8 | 55 |
| 390 | - | 39.8 | - |
| 380 | (110.0) | 38.8 | 52 |
| 370 | - | 37.7 | - |
| 360 | (109.0) | 36.6 | 50 |
| 350 | - | 35.5 | - |
| 340 | (108.0) | 34.4 | 47 |
| 330 | - | 33.3 | - |
| 320 | (107.0) | 32.2 | 45 |
| 310 | - | 31.0 | - |
| 300 | (105.5) | 29.8 | 42 |
| 295 | - | 29.2 | - |
| 290 | (104.5) | 28.5 | 41 |
| 285 | - | 27.8 | - |
| 280 | (103.5) | 27.1 | 40 |
| 275 | - | 26.4 | - |
| 270 | (102.5) | 25.6 | 38 |
| 265 | - | 24.8 | - |
| 260 | (101.0) | 24.0 | 37 |
| 255 | - | 23.1 | - |
| 250 | 99.5 | 22.2 | 36 |
| 245 | - | 21.3 | - |
| 240 | 98.1 | 20.3 | 34 |
| 230 | 96.7 | (18.0) | 33 |
| 220 | 95.0 | (15.7) | 32 |
| 210 | 93.4 | (13.4) | 30 |
| 200 | 91.5 | (11.0) | 29 |
| 190 | 89.5 | (8.5) | 28 |
| 180 | 87.1 | (6.0) | 26 |
| 170 | 85.0 | (3.0) | 25 |
| 160 | 81.7 | (0.0) | 24 |
| 150 | 78.7 | - | 22 |
| 140 | 75.0 | - | 21 |
| 130 | 71.2 | - | 20 |
| 120 | 66.7 | - | - |
| 110 | 62.3 | - | - |
| 100 | 56.2 | - | - |
| 95 | 52.0 | - | - |
| 90 | 48.0 | - | - |
| 85 | 41.0 | - | - |
| S45C | 1045 | C45 | 060A47 | 45 |
| SCM415 / SCM21 | 4115 | - | - | - |
| SCM420 / SCM22 | 41, 204, 118 | 20CrMo5 | CDS12 | 20CrMo |
| SCM435 / SCM3 | 4135 | 34CrMo4 | 708A37 (En19B) | 35CrMo |
| SCM440 / SCM4 | 4140 | 42CrMo4 | 708M40 (En19A) | 42CrMo |
| SNCM220 / SNCM21 | 8620 | - | - | S45C |
| - | - | 17CrNiMo6 | 820A16 | - |
| SNCM439 / SNCM8 | 43, 394, 340 | 36CrNiMo4 | 815M40 (En110) | 40CrNiMoA |
| SUJ2 | 52100 | - | - | - |
| SKD II | D2 | 1.2379 | BD2 | - |
| SKD61 | H13 | 1.2344 | BH13 | - |
| SKH9 /SKH51 | M2 | 1.3343 | BM2 | - |
| SKH55 | M35 | 1.3243 | BM35 | - |
| SKH59 | M42 | 1.3247 | BM42 | - |
| SUS304 | 304 | - | - | - |
| SUS316 | 316 | - | - | - |
| SUS410 | 410 | 1.4006 | - | |
| FC25 | - | - | - | - |
| FCD25 | - | - | - | - |
| FCD70 | - | - | - | - |
| SCr420 | - | - | - | 20Cr |
| AISI (SAE) |
JIS 新記號 |
JIS 舊記號 |
淬火溫度 °C |
回火溫度 °C |
化學成份 | 硬度 (HB) |
用途 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | Ni | Cr | Mo | |||||||
| 1045 | S45C | S45C | 820 - 870 | 550 - 650 急冷 | 0.42 - 0.48 | 0.15 - 0.35 | 0.60 - 0.90 | - | - | - | 210 - 269 | 螺絲、螺帽 |
| 8620 | SNCM220 | SNCM21 |
1次 850 - 900
油冷 2次 800 - 850 油冷 |
150 - 200 空冷 | 0.17 - 0.23 | 0.15 - 0.35 | 0.60 - 0.90 | 0.40 - 0.70 | 0.40 - 0.65 | 0.15 - 0.30 | 248 - 341 | 滲碳硬化處理 強力齒輪 |
| 4339 | SNCM439 | SNCM8 | 820 - 870 油冷 | 580 - 680 急冷 | 0.36 - 0.43 | 0.15 - 0.35 | 0.60 - 0.90 | 1.60 - 2.00 | 0.60 - 1.00 | 0.15 - 0.30 | 293 - 355 | 強力軸類 |
| 4115 | SCM415 | SCM21 | 1次 850 - 900 油冷 2次 800 - 850 油冷 |
150 - 200 空冷 | 0.13 - 0.18 | 0.15 - 0.35 | 0.60 - 0.85 | - | 0.90 - 1.20 | 0.15 - 0.30 | 235 - 321 | 汽缸活塞齒輪、軸類 |
| 4140 | SCM440 | SCM4 | 830 - 880 油冷 | 550 - 650 急冷 | 0.38 - 0.43 | 0.15 - 0.35 | 0.60 - 0.85 | - | 0.90 - 1.20 | 1.50 - 0.30 | 285 - 352 | - |
| 相當規格 | 化學成份 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | DIN | C | Si | Mn | P | S | Ni | Cr | Mo | V |
| S15C | [1015] | - | 0.13 - 0.18 | 0.15 - 0.35 | 0.30 - 0.60 | ≦0.030 | ≦0.035 | - | - | - | - |
| S20C | [1020] | - | 0.18 - 0.23 | 0.15 - 0.35 | 0.30 - 0.60 | ≦0.030 | ≦0.035 | - | - | - | - |
| S45C | [1045] | - | 0.42 - 0.48 | 0.15 - 0.35 | 0.60 - 0.90 | ≦0.030 | ≦0.035 | - | - | - | - |
| S55C | [1055] | - | 0.52 - 0.58 | 0.15 - 0.35 | 0.60 - 0.90 | ≦0.030 | ≦0.030 | - | - | - | - |
| 相當規格 | 化學成份 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | DIN | C | Si | Mn | P | S | Ni | Cr | Mo | V |
| SCM415 | [4115] | [15CrMo5] | 0.13 - 0.18 | 0.15 - 0.35 | 0.60 - 0.90 | ≦0.030 | ≦0.030 | - | 0.90 - 1.20 | 0.15 - 0.25 | - |
| SCM420 | [4118] | [18CrMo4] | 0.18 - 0.23 | 0.15 - 0.35 | 0.60 - 0.90 | ≦0.030 | ≦0.030 | - | 0.90 - 1.20 | 0.15 - 0.30 | - |
| SCM435 | [4137] | [34CrMo4] | 0.33 - 0.38 | 0.15 - 0.35 | 0.60 - 0.90 | ≦0.030 | ≦0.030 | - | 0.90 - 1.20 | 0.15 - 0.30 | - |
| SCM440 | [4140] | [34CrMo4] | 0.38 - 0.43 | 0.15 - 0.35 | 0.60 - 0.90 | ≦0.030 | ≦0.030 | - | 0.90 - 1.20 | 0.15 - 0.30 | - |
| 相當規格 | 化學成份 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | DIN | C | Si | Mn | P | S | Ni | Cr | Mo | V |
| 8620 | [SNCM220] | [21NiCrMoS2] | 0.18 - 0.23 | 0.15 - 0.35 | 0.70 - 0.90 | ≦0.035 | ≦0.040 | 0.40 - 0.70 | 0.40 - 0.60 | 0.15 - 0.25 | - |
| [4340] | [SNCM439] | [40NiCrMo6] | 0.36 - 0.43 | 0.15 - 0.35 | 0.60 - 0.90 | ≦0.030 | ≦0.030 | 1.60 - 2.00 | 0.60 - 1.00 | 0.15 - 0.30 | - |
| 相當規格 | 化學成份 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | DIN | C | Si | Mn | P | S | Ni | Cr | Mo | V |
| SUJ2 | [52100] | [100Cr6] | 0.95 - 1.10 | 0.15 - 0.35 | ≦0.50 | ≦0.025 | ≦0.025 | - | 1.30 - 1.60 | - | - |
| 相當規格 | 化學成份 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | DIN | C | Si | Mn | P | S | Ni | Cr | Mo | V |
| SKD61 | [h13] | [X40CrMnV51] | 0.32 - 0.42 | 0.80 - 1.20 | ≦0.50 | ≦0.030 | ≦0.030 | - | 4.50 - 5.50 | 1.00 - 1.50 | 0.80 - 1.20 |
| - | - | 17CrNiMo6 | 0.15 - 0.20 | ≦0.40 | 0.40 - 0.60 | ≦0.035 | ≦0.035 | 1.40 - 1.70 | 1.50 - 1.80 | 0.25 - 0.35 | 0.80 - 1.20 |
| 相當規格 | 化學成份 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | DIN | C | Si | Mn | P | S | Ni | Cr | N | |
| SUS201 | 201 | - | ≤0.150 | ≤1.00 | ≤5.5 - 7.5 | ≤0.060 | ≦0.030 | 3.5 - 5.5 | 16 - 18 | ≤0.25 | |
| SUS304 | 304 | X5CrNi8 10 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≦0.030 | 8 - 11 | 16 - 20 | - | |
| SUS420 | 420 | X20Cr13 | 0.16 - 0.25 | ≤1.00 | ≤1.00 | ≤0.004 | ≦0.003 | ≦0.75 | 12 - 14 | - | |
| N0 | - | 0 | 0 | - | - | - | - | - | - |
| N1 | - | 1 | 1 | 1 | - | - | - | - | - |
| N2 | - | 2 | 2 | 2 | - | - | - | - | 16 |
| N3 | - | 3 | 3 | 3 | 3 | - | - | - | 15 |
| N4 | 0 | 4 | 4 | 4 | 4 | - | A | - | 14~13 |
| N5 | 1 | 5 | 5 | 5 | 5 | A1 | B | 4 | 12 |
| N6 | 2 | 6 | 6 | 6 | 6 | A2 | C | 3 | 10 |
| N7 | 3 | 7 | 7 | 7 | 7 | B | D | 2 | 10 |
| N8 | 4 | 8 | 8 | 8 | 8 | C | E | 1 | 8 |
| N9 | 5 | 9 | 9 | 9 | 9 | D | - | - | - |
| N10 | 6 | 10 | 10 | 10 | 10 | - | - | - | - |
| N11 | 7 | 11 | 11 | 11 | 11 | - | - | - | - |
| N12 | 8 | 12 | 12 | 12 | 12 | - | - | - | - |