A Manufacturer Specialized in High-Quality Cold Finished Steel Bar for Free Cutting Stainless Steel, Free Cutting Steel and Tool Steel
| Free cutting steel | Equivalent type of steel | Representative applications | Features | Chemical composition (wt%) |
Physical characteristic values |
Mechanical properties |
|
|---|---|---|---|---|---|---|---|
| JIS | AISI | ||||||
| UTM | SUM24L | 12L14 | Automobiles Office equipment Household appliances |
Four-component free cutting steel with machinability that is close to that of brass （S，Pb，Te，Bi） |
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| TLS | Exhibits exceptional performance in cutting dimension precision and tool life with machinability better than that of SUM24L (Te is added) | ||||||
| SDF | SUM24L machinability is improved through micro control and processing precision is enhanced | ||||||
| SD200 | JIS based steel type (= SUM24L) | ||||||
| SLM | Half Pb is added into sulfur-free cutting steel such as SUM22, on improving machinability | ||||||
| SUM24EZ | SUM23 | SUM23 | Machinability equal to that of SUM24L is achieved by adding high S and trace components to SUM23 | ― | |||
| SD100 | SUM23 + high S | ||||||
| SUM22 | SUM22 | 1213 | JIS based steel | ||||
| SUM23 | SUM23 | 1215 | JIS based steel | ||||
| Alloy steel for mechanical structures |
Equivalent type of steel | Representative applications | Features | Chemical composition (wt%) |
Physical characteristic values |
Mechanical properties |
|
|---|---|---|---|---|---|---|---|
| JIS | AISI | ||||||
| S53CYS | S53C | 1050/1053 | Automobiles Construction equipment Gears Shafts Bearings |
Stress concentration of S53C+S, Ca sulfide and improved machinability through control of tool wear | Click here |
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| S45CFS （S48CFS） |
SUM43 | 1144 | Pb is added to SUM43 to improve machinability | Click here |
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| S45CF | S45C （S48C） |
1045 | Pb is added to S45C to improve machinability | ||||
| 1046 | |||||||
| S**C | S**C | Alloy Steel for mechanical structures | ― | ||||
| SCR*** （H） |
SCR*** (H) |
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| SCM*** （H） |
SCM*** (H) |
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| SACM645 | SACM645 | ― | |||||
| ME1F | SUY | ― | Pb is added to electromagnetic soft iron to maintain electromagnetic properties while improving machinability | ||||
| SUJ2 | SUJ2 | 52100 | High-carbon chrome bearing steel | ||||
All types of steel handled by Shimomura comply with the RoHS II Annex III (lead in alloys is not more than 3,500 ppm)