SKD61 Solid Round Bar Steel
SKD61 round steel is a kind of steel with excellent material properties. It is mainly composed of carbon, silicon, manganese, molybdenum, chromium and other chemical compositions. The material is characterised by high hardness, heat resistance, wear resistance and impact resistance. It is suitable for hot working, aluminium, magnesium, zinc, copper alloy die casting, slotting knives, scissors and hot forging action, plastic moulds, hot working reamers, rolling knives, general hot working forging moulds, hot bolting moulds, various tools in hot room.
SKD61 solid steel round bar chemical composition
| Standard | Grade | C | Si | Mn | P | S | Cr | Mo | V |
| JIS G4404 | SKD61 | 0.35-0.42 | 0.8-1.2 | 0.25-0.5 | 0.03 | 0.03 | 4.8-5.5 | 1-1.5 | 0.8-1.15 |
SKD61 round metal rod mechanical property
| Tempering Tem. ℃ | After quenched | 200 | 400 | 500 | 520 | 550 | 580 | 600 | 650 | 700 |
| Hardness HRC | 56 | 54 | 54 | 55.5 | 54 | 52.5 | 49 | 45.5 | 33 | 28 |
| Tensile Strength Mpa | - | - | 2040 | 2100 | 2080 | 1980 | 1780 | 1650 | 1180 | - |
| Reduction of area | - | - | 40 | 34 | 40 | 48 | 53 | 54 | 55 | - |
| Elongation % | - | - | 11 | 11 | 11.5 | 12 | 12.5 | 14 | 18 | - |
| Impact J | - | - | 40 | 32 | 35 | 50 | 60 | 70 | 100 | - |
SKD61 round metal stock physical property
| Temperature | 20°C | 400°C | 1110°C |
| Density,g/cm3 | 7.8 | 7.7 | 7.6 |
| Modulus of elasticity,N/mm2 | 210000 | 180000 | 140000 |
| Coefficient of thermal expansion,per °C from 20°C | - | 12.6 x 10^–6 | 13.2 x 10^–6 |
| Thermal conductivity,W/m °C | 25 | 29 | 30 |
| Melting point | 1427°C | ||
| Specific Gravity | 7.75 | ||
| Machinability | 65-70% of a 1% carbon steel | ||
GNEE group steel rod bar supply form & size & tolerance
| Supply Form | Size(mm) | Process | Tolerance | |
Round |
Φ6-Φ100 | Cold Drawn | Bright/Black | Best H11 |
Φ16-Φ350 |
Hot Rolled |
Black | -0/+1mm | |
| Peeled/ground | Best H11 | |||
Φ90-Φ1000 |
Hot Forged |
Black | -0/+5mm | |
| Rough Turned | -0/+3mm | |||
Flat/Square/Block |
Thickness :120-800 | Hot Forged |
Black | -0/+8mm |
| Width:120-1500 | Rough Machined | -0/+3mm | ||
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We guarantee the quality and quantity of SKD61 Solid Round Bar Steel. If you would like more information, please contact us!
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