die steel
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die steel H13(size20mm-400mm),D2(size20mm-160mm),H11(size20-400mm,H10(size20-250mm),SKD11(size20-160mm),1.2367(size20-250mm)
die steel H13(size20mm-400mm),D2(size20mm-160mm),H11(size20-400mm,H10(size20-250mm),SKD11(size20-160mm),1.2367(size20-250mm)
| Cold work Die steel | ||||||||||
| Cr12Mo1V1 | ||||||||||
| Similar to other Foreign Grade | GB | ASTM | DIN | JIS | ||||||
| Cr12MoS1V1 | D2 | 1.2379 | SKD-11 | |||||||
| Chemical composition% | Standard | C | Mn | Si | Cr | Mo | V | S | P | |
| GB/T1299 | 1.4/1.6 | ≤0.6 | ≤0.4 | 11.0/13.0 | 0.7/1.2 | 1.5/1.1 | ≤0.03 | ≤0.03 | ||
| Description | High Hardenability,Hardness and high wear resistance ,small deformation .Compare with Cr12*CrW12 ,had higher heghness ,but hardness to a certain degree ,Made reasonably for complicated sections | |||||||||
| Application | Various cold work tools and dies,such as cold punch,cold shear,ect | |||||||||
| Heat treatment | Hardening usual:980-1040oC oil or air blast HRC64-62 preheating twice(500-850oC) | |||||||||
| Tempering for stress relieving and obtain stable structure 180-200oC hold≥2hoursHRC63-62 | ||||||||||
| Tempering HRC adjust to oC(Refer) | ||||||||||
| 180-200oC | 250oC | 300oC | 450oC | |||||||
| 62-63 | 62 | 61 | 59 | |||||||
| Annealing:780-800 oCslow cooling | ||||||||||
| Size and shape | Bars:ø15-200mm Flats:20-80*200-600mm | |||||||||
| Delivery condition | Annealed hardness HB≤255 | |||||||||
| Hot work Die steel | ||||||||||
| 4Cr5MoSiV1 | ||||||||||
| Similar to other Foreign Grade | GB | ASTM | DIN | JIS | ||||||
| 4Cr5MoSiV1 | H13 | 1.2344 | SKD-61 | |||||||
| Chemical composition% | Standard | C | Mn | Si | Cr | Mo | V | S | P | |
| GB/T1299-2000 | 0.32/0.45 | 0.2/0.5 | 0.8/1.2 | 4.75/5.5 | 1.1/1.75 | 0.8/1.2 | ≤0.03 | ≤0.03 | ||
| Description | Hardening in air ,Featuring a fine combination of hot strength,heat cracking resistance and impact toughness in work 600 oC.ESR products has macrostructure well EFER steel had cleanlingness evidently ERS and EFER had all higher iso directivity | |||||||||
| Application | Extrusion dies and die-casting for alumium ,Mandgnesium allay mostly ,for copper alloy could use.Mechiaincal press forhing of steel could use also | |||||||||
| Heat treatment | hardening usual 1000-1040oC oil or blast air | |||||||||
| Tempering HRC adjust to oC(Refer) | ||||||||||
| ToC | Hardening | 180-300 oC | 450-500 oC | 550-570 oC | ||||||
| HRC | 53-55 | 51-52 | 53-54 | 50-52 | ||||||
| For stabilization of moulds size tempering toC,as compared work toC,higher usual 25oC. | ||||||||||
| For nelieving stress of machine heade650oC,holded to uniform,cooling in furnace to 500 oCafter air cooling | ||||||||||
| Annealing:800-580oC slow cooling | ||||||||||
| Size and shape | Bars:ø5-400mm Flats:20-80*200-600mm | |||||||||
| Delivery condition | Annealed hardness HB≤235 | |||||||||
