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Steel Skd11
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Product: Views:281Steel Skd11 
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Valid until: Long-term effective
Last updated: 2018-10-01 09:09
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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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