Steel Skd11

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Delivery term: The date of payment from buyers deliver within days
seat: Guangdong
Validity to: Long-term effective
Last update: 2019-03-04 07:33
Browse the number: 444
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1.Introduction of JIS SKD11 steel



JIS SKD11 Tool Steel is a high-carbon and high-chromium alloy tool steel that is used for making long-life high-precision cold-work dies. SKD11 tool steel has good wear resistance and size ability after heat treatment. Otai special steel is JIS SKD11 tool steel china supplier and stockholders.



Related Specifications A681-1999 | Jis G4404(2000) | GB /T1299






2. Supply Range of JIS SKD11 steel














Shape




Specification




Surface




Round bar




Dia max 800mm



Length: max 6m




Black, peeled, machined(turned), polished(grounded)




Flat bar




Thickness: max 800mm



Width: max 810mm Length: 6m




Black, peeled, machined, polished(ground,grinded, milled)




Note: We have our own cutting and processing equipment. Specifications can be cut and customized according to your requirements.







3.Chemical composition






















C(%)




1.40~1.60




Si(%)




≤0.40




Mn(%)




≤0.60




P(%)




≤0.030




S(%)




≤0.030




Cr(%)




11.0~13.0




Mo(%)




0.80~1.20




V(%)




0.20~0.50







4.Equivalent Of SKD11 Tool Steel | flat steel bar








































USA




Germany




China




Japan




France




England




Italy




Poland




ISO




Austria




Sweden




Spain




ASTM/AISI /UNS /SAE




DIN, WNr




GB




JIS




AFNOR




BS




UNI




PN




ISO




ONORM




SS




UNE




D2 / T30402




1.2379 / X155CrMoV12-1




CR12 MO1V1 / CR12MOV




SKD11




X160Cr MoV12




BD2







5. SKD11 Steel Mechanical Properties

























Mechanical Properties




Metric




Imperial




Hardness, Knoop (converted from Rockwell C hardness)




769




769




Hardness, Rockwell C




62




62




Hardness, Vickers




748




748




Izod impact unnotched




77.0 J




56.8 ft-lb




Poisson’s ratio




0.27-0.30




0.27-0.30




Elastic modulus




190-210 GPa




27557-30457 ksi





Thermal Properties












Properties




Conditions




T (°C)




Treatment




Thermal expansion




10.4 x 10-6/ºC




20-100











6. Heat treatment Related



Annealing of SKD11 Tool Steel | JIS Cold work Alloy Tool steel flat bar



Annealing temperature / ℃: 830 ~ 880, Hardness after annealing HRC: ≤255






Hardening of JIS Alloy tool steel SKD11 steel flat bar



Quenching temperature / ℃: 1030, Quenching medium: air-cooled, Tempering temperature / ℃: 180
After quenching and tempering hardness HRC: ≥58






Forged of Japanese JIS SKD11 steel bar



Thermal processing temperature / ℃ | Start: 1000
Thermal processing temperature / ℃ | Termination: 800






Physical Properties and Mechanical Properties of JIS SKD11 flat steel bar



The mechanical properties of annealed JIS SKD11 steel are outlined in the table below



Poisson’s ratio 0.27-0.30, Elastic modulus 190-210 GPa ,



The Physical proerties of skd11 cold work alloy tool steel as below:



Density 7.7 x 1000 kg/m3 ; Melting point 1421°C (2590°F)






7. Applications



SKD11 Tool Steel is used in the making of knife-edge mold, scissors, circular saw blades, metal stamping mold. Used to make cold work or hot work dressing dies, sides of rollers, screw lines, lines dies, transformer core stamping dies, rolled knives, steel tube forming rollers, special molding rollers, screw heading molds, etc. Also used for blanking dies, stamping dies and pressing dies with a thickness ≤ 6mm. It can also be found in the production of various kinds of scissors, inlaid blades and thread rolling dies. It is also used to make wear-resistant slider cold heading dies, deep drawing molding dies, cold extrusion dies and in the making of thermosetting resin molding dies and common plastic dies.






8. Processing



SKD11 tool steel round bar and flat sections can be cut to your required sizes. SKD11 ground steel bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances. SKD11 tool steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.




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