1215
Free Cutting Steel
Equivalent Grades: GB 4Cr5MoSiV1, JIS SKD61, ASTM H13, DIN X40CrMoV5-1. 1215 free cutting steels are utilized primarily to manufacture the parts which have the requirements of high precision in size, high finish in surface, but low mechanical property, such as gears, shafts, bolts, valves, bushings, pins, fittings, spring seat and machine screw, plastic mold, surgical and dental procedures utensils, certain automobile parts, instruments, etc.
Low Carbon Free Cutting Steel
Purpose
1215 is widely used in free cutting machining steel.
International Comparison of Materials
| EU EN | INTER ISO | USA AISI | JAPAN JIS | GERMANY DIN | CHINA GB | FRANCE AFNOR | ITALY UNI |
|---|---|---|---|---|---|---|---|
| 1B | -- | 1215 | SUM23 | 9SMn36 | Y13 | S300 | CF9SMn36 |
| SPAIN UNE | Sweden SS | Finland SFS | Poland PN | Czechia CSN | Austria ONORM | Russia GOST | England BS |
|---|---|---|---|---|---|---|---|
| 12SMn35 | -- | -- | -- | -- | -- | -- | 240M07 |
**This comparison table is for reference only. The standards and grades of various countries have slightly different chemical compositions. Please refer to the database for details.**
Chemical Composition(JIS G4051)
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Ni(%) | Cr(%) | Mo(%) | V(%) | Cu(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0≦0.09 | -- | 0.75-1.05 | 0.04-0.09 | 0.26-0.35 | -- | -- | -- | -- | -- |