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1.2343/SKD6/H11 Alloy Steel Bar Suppliers
| Equivalent grades | GB | DIN | AISI | JIS | BS | |||||
| 4Cr5MoSiV | 1.2343 | H11 | SKD6 | BH11 | ||||||
| Chemical Composition | C | Si | Mn | Cr | P | S | V | Mo | Other | |
| 0.36-0.42 | 0.90-1.20 | 0.30-0.50 | 4.80-5.80 | 0.03MAX | 0.03MAX | 0.25-0.50 | 1.10-1.40 | - | ||
| Available size | Round Bar | Diameter | Length | |||||||
| 10-380mm | 2000-5800mm | |||||||||
| Flat Bar | Thickness | Width | Length | |||||||
| 12-500mm | 60-610mm | 2000-5800mm | ||||||||
| Surface condition | Black surface/ Grinded/ Machined | |||||||||
| Annealed hardness | HB299MAX | |||||||||
| Characteristics | Steel H11 | |||||||||
| Excellent homogeneity , Excellent toughness | ||||||||||
| High thermal ability, High resistance of thermal shocks | ||||||||||
| Good thermal conductivity, High cleanliness | ||||||||||
| Good polishing ability. | ||||||||||
| Applications | Steel H11 | |||||||||
| die casting tools(aluminum and aluminum alloys) | ||||||||||
| extrusion tools of tubes, hot shear knives | ||||||||||
| barrels and sections made of light metals and alloys | ||||||||||
| cylinders and screws for plastic processing | ||||||||||
| hydro forming tools | ||||||||||
| Heat treatment | Hardening | |||||||||
| Harden from a temperature of 1000-1040oC followed by air, oil quenching or warm bath quenching 500-550oC. Hardness after quenching is 50-56 HRC. | ||||||||||
| Tempering | ||||||||||
| Tempering temperature: See the data bellow. | ||||||||||
| Tempering Temperature (oC) vs. Hardness (HRC) | ||||||||||
| 100oC | 200oC | 300oC | 400oC | 500oC | 550oC | 600oC | 650oC | 700oC | - | |
| 53 | 52 | 52 | 52 | 54 | 52 | 48 | 38 | 30 | - | |
| 1845 | 1790 | 1790 | 1790 | 1910 | 1790 | 1570 | 1200 | 970 | - | |
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