DIFFERENT TYPES OF MATERIALS USED
| IS | BS | DIN | AISI/ASTM/ SAE |
JIS | GOST | FRENCH |
| ------ | ------ | ------ | ------ | 10705 MBU | ------ | ------ |
| ------ | ------ | ------ | ------ | 10705 BU-ST | ------ | ------ |
| ------ | ------ | ------ | ------ | 10705 AD | ------ | ------ |
| ------ | ------ | ------ | ------ | M8B | ------ | ------ |
| C 10 | EN 1A | ------ | 1011 | S10C | ------ | ------ |
| C 20 | EN 2C | CK 22 | ------ | ------ | ------ | ------ |
| C 35 | EN 8 | CK 35 | 1035 | S35C | ------ | ------ |
| C 40 | EN 8 | CK 40 | ------ | ------ | ------ | ------ |
| C 45 | EN 8D | CK 45 | 1045 | S45C | ------ | ------ |
| C 50 | EN 9 | CK 50 | 1055 | ------ | ------ | ------ |
| 40 Cr1 | EN 18 | 41 Cr4 | 5140 | ------ | 40X / 45X | ------ |
| 40 Cr 1Mo28 | EN 19 | 42 CrMo4 | 4140 | SCM435 or SCM440 | 38XM | ------ |
| 40 Cr 1Ni2Mo28 | EN24 | 34CrNiMo6 | 4340 | ------ | 40X2H2MA | ------ |
| ------ | ------ | ------ | ------ | ------ | 38XC | ------ |
| ------ | EN 30B | ------ | ------ | ------ | ------ | 30NCD16 |
| ------ | EN 39B | ------ | ------ | ------ | 18X2H4MA | ------ |
| ------ | EN 36C | ------ | ------ | ------ | 20X2H2MA | ------ |
| ------ | EN 15B | ------ | AISI 1541 | ------ | ------ | ------ |
| ------ | ------ | ------ | 8620 | ------ | ------ | ------ |
| ------ | ------ | 16 MnCr5 | ------ | ------ | ------ | ------ |
| ------ | ------ | 20 MnCr5 | ------ | ------ | ------ | ------ |
| ------ | ------ | ------ | ------ | ------ | 30X CHA | ----- |
| ------ | ------ | ------ | ------ | ------ | 30X CA | ------ |
| ------ | ------ | X22CrMoV121 | ------ | ------ | ------ | ------ |
| ------ | ------ | 21CrMoV57 | B16 | ------ | ------ | ------ |