| 碳 鋼Carbon Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| S15C | [1015] | 機械構造用鋼，磨光棒 | machine structral use, polished bar | |
| S20C | [1021] | 汽機車零件 | car & moter parts | |
| S45C | [1045] | 機械構造用鋼，手工具 | machine structral use, hand tools | |
| S55C | [1055] | 機械構造用鋼，軸心 | machine structural use, shaft | |
碳素工具鋼 Carbon Tool Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI |
DIN |
Application | |
| SK4 | [1095] | 機械軸心，各式精密零件 | machine shaft, equipement parts | |
|
耐衝擊工具鋼 Alloy Tool Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| S2 M | 手動,氣動鑿,沖梢,衝頭 | hand and air bits | ||
快削鋼 Free Cutting Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| [SUM23] | 1215 | 切削用料，一般附屬零件 | free cutting material, general parts | |
| [SUM24L] | 12L14 | [9SMnPb36] | 切削用料，一般附屬零件 | free cutting material, general parts |
| [SUM43] | 1144 | 高速切削用料，軸心 | high speed free cutting material, shaft | |
| S45CL | [10L45] | 高速切削用料，軸心 | high speed free cutting material, shaft | |
| SCM415L | 切削用料 | free cutting material | ||
鉻鉬合金鋼 Cr-Mo Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| SCM415 | [4115] | [15CrMo5] |
軸，活塞，汽機車零件等表面滲碳硬化用 |
shaft, piston, car & motor parts for carburizing harden |
| SCM420 | [4118] | [18CrMo4] | 軸，活塞，汽機車零件等表面滲碳硬化用 | shaft, piston, car & motor parts for carburizing harden |
| SCM435 | [4135] | [34CrMo4] | 螺絲，螺栓，機械零件 | screw, bolt, machine parts |
| SCM440 | [4140] | [42CrMo4] | 軸類，汽機車零件 | shaft, car & motor parts |
|
中碳合金鋼 Medium-Carbon Alloy Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | CSC | DIN | Application | |
| 35ACR | 螺絲，螺栓 | screws, bolts | ||
| 40ACR | 手工具 | hand tools | ||
鎳鉻鉬鋼 Ni-Cr-Mo Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| [SNCM220] | 8620 | [21NiCrMo2] | 軸、活塞、汽機車零件等表面滲碳硬化用 | shaft, piston, car & motor parts for carburizing harden |
| 8660+V | 手工具 | hand tools | ||
| SNCM439 | [4340] | [40NiCrMo6] | 軸類，汽機車零件 | shaft, car & motor parts |
鉻釩鋼 Cr-V Steels (Spring Steels) |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| 5155 | [55Cr3] | 手工具,彈簧 | hand tools, spring | |
| 6145 | 手工具,吊勾 | hand tools, hook | ||
| 6150 | [50CrV4] | 手工具,彈簧 | hand tools, spring | |
軸承鋼 High C-Cr Steels (Bearing Steels) |
|
相當規格 COMP. SPEC. |
主要用途 | |||
| JIS | AISI | DIN | Application | |
| SUJ 2 | [52100] | [100Cr6] | 軸承，輥筒，鋼珠 | bearing, roller, bearing ball |
|
模具鋼 Alloy Tool Steels (Die Steels) |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| SKD61 | [H13] | [X40CrMnV51] | 熱間沖模，射梢 | ejector pin |
| DC53 | 衝頭，射梢 | ejector pin | ||
|
硼鋼 B Steels |
| 相當規格 COMP. SPEC. | 主要用途 | |||
| JIS | AISI | DIN | Application | |
| 10B21 | 手工具，汽機車零件，螺帽 | hand tools, car & motor parts, screw | ||
| 50BV30 | 手工具，汽機車零件，螺帽 | hand tools, car & motor parts, screw | ||