JIS G4051 S40C steel application:agriculture greenhouse,trickle irrigation system, galvanized facilities for power transmission, galvanized steel pylons, lightning protection system, moulds for building, hanging facilities for curtain wall. JIS G4051 Carbon steel for Machine Structural Use.
JIS G4051 S40C steel specification:
Thickness : 6-800mm Width : 200-2000mm Length: 2000-12000mm
S40C material Chemical composition %
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
| - | - | - | max. | max. | max | max | max | |
| S40C | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.025 | 0.025 | 0.25 | 0.30 | 0.25 |
S40C Merchanical Propertites
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation in 100-150 mm(%) | Reduction in Area | Hardness |
| S40C | ≥570 | ≥335 | ≥19 | ≥45 | ≤187HB |
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