High toughness H13 1.2344 SKD61 Hot Work Tool Steel
Product Details
Chemical Composition (%)
Standard | Steel Grade | C | Si | Mn | P | S | Cr | Mo | V | W |
DIN | 1.2344 | 0.37-0.42 | 0.90-1.20 | 0.30-0.50 | 0.030 | 0.030 | 4.80-5.50 | 1.20-1.50 | 0.90-1.00 | - |
ASTM | H13 | 0.32-0.45 | 0.80-1.20 | 0.20-0.50 | 0.030 | 0.030 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 | - |
GB | 4Cr5MoSiV1 | 0.32-0.42 | 0.80-1.20 | 0.20-0.50 | 0.030 | 0.030 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 | - |
Specification 1.2344 Tool Steel
Round bar | Diameter | Length | - |
Forged round bar：φ50~450 | 2000~6000 | - | |
Rolled round bar：φ10~80 | 2000~6000 | - | |
Flat bar | Thickness(mm) | Width(mm) | Length(mm) |
Forged plate：20~300 | 50~710 | 2000~6000 | |
Rolled plate：10~65 | 155~610 | 2000~6000 |
Heat Treatment
Soft Annealing(℃) | Cooling | Hardness(HB) | Hardening(℃) | In | Hardness(HRC) |
860-890 | Furnace | Max.229 | 1020-1060 | In air, oil, thermal | 52-56 HRC |
Tempering(℃) | 100 | 200 | 300 | 400 | 450 | 500 | 550 | 600 | 650 | 700 |
HRC | 53 | 52 | 51 | 52 | 53 | 54 | 53 | 50 | 43 | 31 |
N/mm2 | 1845 | 1790 | 1730 | 1790 | 1845 | 1910 | 1845 | 1680 | 1360 | 995 |
Quenching technique
Quenching temperature | Cooling | Hardness HRC | ||
Medium | Temperature | Continuation | ||
1020-1050 | Oil or air | 20-60 | Room temperature | 56-58 |
Forging technique
Heat temperature | Start Forging temperature | Finish Forging temperature | Cooling |
1120-1150 | 1050-1100 | 900-850 | Burial pit or sand cooling |
Tempering Technique
Purpose | Heating Temperature | Heat treatment equipment | Cooling | Hardness HRC |
Eliminate stress, stabilize structures | 560-580 | Gas furnace or Electric furnace | Air | 47-49 |
More information click here.
Characteristics
1. Air cooling hardened hot work tool steel, most widely used hot work tool steel.
2. High toughness and cold and heat-fatigue resistance.
3. Excellent toughness hot fatigue resistance and certain abrasion resistance at medium temperature.
4. During air cooling, deformation and oxide skin tendency is small. Good resistance from the undermining of fusing aluminum.
Delivery condition
Annealing,
hardness is below 235HB
Surface: black, machined, painted and other customized.
Risunsteel,based on the over one hundred years’s production history of special steel in Huangshi, provide professional services and material for cutting tool companies, mould companies and other industrial enterprises all over the world for years.
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