42CrMoS4 +QT +C
Direct hardening alloy steel – Stock standard
Product standard:
EN 10083-1 ISO 683-1
Material standard:
EN: 42CrMoS4
ISO: 42CrMoS4
W.Nr.1.7227
SS.2244-05
Material description:
42CrMoS4 is a direct hardening steel like 42CrMo4 but with controlled sulphur content for improved machinability. The material is stocked in cold drawn hardened and tempered condition.
Chemical analysis (%):
| Element: | 42CrMoS4 |
| C | 0,38 - 0,45 |
| Si | 0,10 - 0,40 |
| Mn | 0,60 - 0,90 |
| P max. | 0,035 |
| S | 0,020 - 0,035 |
| Cr | 0,90 - 1,20 |
| Mo | 0,15 - 0,30 |
| Ni | - |
| Fe | Rest |
Mechanical properties:
Tensile strength, Rm: 900 – 1100 MPa.
Yield strength, Rp0,2: min. 700 MPa.
Elongation, A5: min. 13%
Hardness: HB 270 – 325
Condition:
Cold drawn, hardened & tempered.
Technical properties:
Straightness: ≤ 1 mm / 1000 mm
Delivery form:
Lengths of 3000 mm (-0/+200 mm)
Tolerances:
(According to DIN EN 10278 – ISO h10)
| Diameter: | ISO h10 [mm] |
| >3 to 6 | +0/-0,048 |
| >6 to 10 | +0/-0,058 |
| >10 to 18 | +0/-0,070 |
| >18 to 30 | +0/-0,084 |
Stock dimensions:
| Dia. [mm] | Tol. EN ISO | Ends |
| 15,00 | h10 | Cut |
| 16,00 | h10 | Cut |
Other dimensions in range 4,5 – 75 mm offered on request.
Typical applications:
Machined precision parts such as fasteners, tension bars, screws and nuts.
Tests and certificates:
Certificate according to EN 10204/3.1.
Subject to typing errors.