Interlloy Grade | Nearest Related Specification | Typical Composition (%) & Properties | Description & Applications | |||||
C | Si | Mn | Ni | Cr | Other | |||
20MnV6 | w.nr 135217 20mNv6 w.nr 1.8905 StE460 BS4360 - 1972 GR55 UNS K12202 |
0.20 | 0.30 | 1.45 | 0.105 V |
Micro alloyed giving higher yield and tensile strength. Excellent machinability and weldability can be carburized or nitrided. | ||
4140 | ASTM - A519 - 1994/96 4140 SAE/AISI 4140 UNS G41400 W.NR 1.7225 42CrMo4 AFNOR 42CD4 |
0.41 | 0.30 | 0.85 | 1.00 | 0.20 Mo |
Medium hardenability, high tensile steel generally supplied H & T to 850 - 1100 Mpa. Good machinability. Can be flame or induction hardened or nitrided. | |
316L | ASTM - A511 1996 316L SAE 30316L AISI 316L UNS S31603 W.NR 1.4404 X2CrNiMo17132 |
0.03 | 12.00 | 17.00 | 2.25 Mo |
Low carbon stainless steel with good resistance to a wide range of chemicals, marine and industrial atmospheres. Good machinability and weldability. |