S45C, 1.1191, 1045, 1050, JIS S50C carbon steel prices
General Information:
General purpose medium carbon steel delivered in as rolled condition. It can be further heat treated to achieve specific mechanical properties. The 0.45% carbon content is not favorable for welding. However, it can be weld with appropriate pre and post weld heat treatment. Surface hardness of 57~62 HRC can be achieved with cast hardening to a depth of approximately 1mm. Used for most transmission and motor parts of medium strength. Case hardened parts such as camshafts, gears, rocking levers etc. Simple hand tools and various types of fasteners and fixtures, machinery parts and components with medium stress.
Comparable Standards:
| AISI/SAE | DIN | W.Nr. | AFNOR | JIS | BS | SIAU | GB,YB |
1045 | CK45 | 1.1191 | XC48 | S45C | - | - | 45 |
Chemical Analysis (%):
| C | Mn | Si | Cr | Ni | Mo | P | S |
| 0.42-0.50 | 0.50-0.80 | 0.40 | 0.40 | 0.40 | 0.10 | 0.035 | 0.02-0.04 |
Hot work and heat treatment temperatures
| Forging | Normalization | Subcritical annealing | Isothermal annealing | Hardening | Tempering |
| 1100~850* | 840~880 | 650~700* | 820~860 600x1h* | 820~860 water | 550~660 |
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