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D6 SKD2
Qilu
Product Description
ASTM D6 SKD2 1.2436 X210CrW12 Tool Steel Plate Flat
1: AISI D6 Steel Introduction
AISI D6 tool steel is a high-carbon, 12% chromium alloy cold work tool steel with tungsten. D6 steel is an air hardening alloy tool steel with excellent resistance to wear and abrasion. As a high carbon high chromium tool steel D6 has better through hardening properties than D3 steel and dimensional stability combined with high resistance to tempering.
D6 Steel Stock In Warehouse
2: D6 Quality Standard
ASTM-A681-2008 ENG Standard-Specification-for-Tool-Steel-Alloy.pdf
3: AISI D6 Steel Equivalent
| Country | China | Japan | Germany | USA |
| Standard | GB/T 1299 | JIS G4404 | DIN EN ISO4957 | ASTM A681 |
| Grade | X210CrW12 | SKD2 | 1.2436/X210CrW12 | D6 |
4: AISI D6 Steel Chemical Composition
| Grade | C | Mn | P | S | Si | Cr | W | |||||
| D6 | 2.00 | 2.20 | 0.20 | 0.40 | 0.03 | 0.03 | 0.20 | 0.40 | 11.50 | 12.50 | 0.60 | 0.90 |
| 1.2436 / X210CrW12 | 2.00 | 2.30 | 0.30 | 0.60 | 0.03 | 0.03 | 0.10 | 0.40 | 11.00 | 13.00 | 0.60 | 0.80 |
| SKD2 | 2.00 | 2.30 | 0.30 | 0.60 | 0.03 | 0.03 | 0.10 | 0.60 | 11.00 | 13.00 | 0.60 | 0.80 |
5: AISI D6 Steel Mechanical Properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.
6: AISI D6 Steel Overviews
| Size | Round | Dia 6-1200mm | |
| Plate/Flat/Block | Thickness 6mm-500mm | ||
| Width 20mm-1000mm | |||
| Process | EAF+LF+VD+Forged+Heat treatment(optional) | ||
| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | ||
| Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | ||
| Delivery condition | Forged; Hot rolled; Cold drawn | ||
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | ||
| Payment terms | T/T;L/C;/Money gram/ Paypal | ||
| Trade terms | FOB; CIF; C&F; etc.. | ||
| Packing | Standard Packages, or as Customers Request | ||
| Delivery time | 30-45 days | ||
7: D6 Steel Application
AISI D6 tool steel are suitable for Blanking tools, stamping tools, embossing tools, scraping tools, trimming tools, woodworking tools, drawing tools, press tools, stone moulds, sintered tools, machine knives, hammer cores, ring rollers, thread rolling dies, plastic moulds.
8: D6 Steel Heat Treatment
Forging
Heat slowly to 700°C and then more rapidly to 900-1050°C. After forging cool slowly, preferably in a furnace.
Annealing
As this grade is supplied in the annealed and machineable condition re-annealing will only be necessary if it has been forged or hardened. Anneal the steel at 800-840°C and slow furnace cool. Hardness after annealing will be approximately 225HB.
Stress Relieving
When machining operations have been heavy or if the tool has an unbalanced section, remove stresses before hardening by heating up to 650-700°C, equalise, cool slowly.
Hardening
Pre heat slowly to 750-800°C and soak thoroughly. Continue heating up to the final hardening temperature of 950-980°C, allow the component to be heated through. Cool in air or quench in oil. X210CrW12 is suitable for vacuum (high speed gas) hardening.
Tempering
Heat the steel uniformly and thoroughly at the selected tempering temperature and hold for at least one hour per 25mm of total thickness. Double tempering of X210CrW12 should be carried out with intermediate cooling to room temperature.
| Temperature [°C] | 100 | 200 | 300 | 400 | 500 | 600 |
| Hardness [HRc] | 63 | 62 | 60 | 58 | 56 | 48 |
Heat Treatment
Heat treatment temperatures, rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, the quenching medium and work piece transfer facilities. Please consult a heat treatment specialist for full guidance on heat treatment.
9: D6 Steel Tolerance
Diameter(mm) | Tolerance | ||
Forged Steel Round Bar | 80-600 | Black Surface:0~+5 | Rough Machined or Turned:0~+3 |
650-1200 | Black Surface:0~+15 | Rough Machined or Turned:0~+3 | |
Hot Rolled Steel Round Bar | 16-310 | Black Surface:0~+1 | Peeled:H11 |
Cold Drawn Steel Round Bar | 6-100 | Black Surface:H11 | Peeled:H11 |
10: Delivery Condition
For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.
