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H13 1.2344 SKD61 PESR Hot Forged Ultrafine Hot Work Tool Steel Round Bar For Die Casting Mould
H13 1.2344 SKD61 PESR Hot Forged Ultrafine Hot Work Tool Steel Round Bar For Die Casting Mould

H13 1.2344 SKD61 PESR Hot Forged Ultrafine Hot Work Tool Steel Round Bar For Die Casting Mould

FOB Price
  • US $2000.00

    1 - 100 metric ton

  • group nameSteel Forgings

  • Min Order1 metric ton

  • brand namefushun

  • modelH13 / 1.2344 / SKD61

  • payment methodL/C, D/A, D/P, Western Union, T/T

  • update timeFri, 29 May 2020 11:02:45 GMT

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Paramtents

  • Round Diameter Range 80-1000mm

  • Standard AISI, ASTM, BS, DIN, GB, JIS

  • Process PESR

  • Delivery Annealed

  • Surface grinded, or turned bright

  • UT test standard SEP1921-84 class3 C/c or D/d

Packging & Delivery

  • Min Order1 metric ton

Briefing

Fushun Supply H13 1.2344 SKD61 Steel Round Bar: 80-1000mm; Hot Forged; PESR; Annealed; Bright Surface

Detailed

Introduce
  H13 steel is the most popular and most versatile, hot work mould steel, providing a good balance of toughness, heat check resistance, and high temperature strength, in addition to moderate wear resistance. H13 steel can resist softening to 550°C and has good resistance to heat checking. Will Nitride with a case hardness over 1000 V.P.N. Generally supplied annealed to HB 230 max.
Process
  H13 material is softer during hot forging, in order to avoid excessive bending, the production length of ordinary forging machines is not more than 9 meters, in the case of Radial forging equipment, the H13 steel forging rounds bar can reach a maximum of 15 meters.

  In production, H13 ingots need slowly cooled. After ingot release mould, it need take annealed before being forged.

  As delivery for clients, H13 recommends annealing + surface bright( remove the black oxide skin), because the high nickel element is prone to surface cracking.
Size & Delivery
  Round Diameter Range: 80-1000mm
  
  Process: PESR

  Delivery Condition: Ultrafine+Annealed

  Surface Condition: Bright

Applications 

  Typical applications include die casting dies for aluminium, magnesium and zinc, extrusion dies for aluminium and brass, liners, mandrels, pressure pads, followers, bolsters, die cases, die holders and adaptor rings for copper and brass extrusion.H13 is used to produce hot stamping and press forge dies, split hot heading dies, gripper dies, hot punching, piercing and trimming tools. Other applications include plastic moulds, shear blades for hot work and hot swaging dies.
Standard
ASTM A681 Standard Specification for Tool Steel Alloy
NADCA #207 Product Specification. Standards for Die Casting 

Chemical Composition

Steel Grade

C

Si

Mn

P

S

Cr

Mo

V

H13

0.32-0.45

0.90-1.25

0.20-0.60

0.030 max

0.030 max

4.75-5.50

1.10-1.75

0.80-1.25

DIN1.2344

0.35-0.42

0.80-1.20

0.25-0.50

0.030 max

0.030 max

4.80-5.50

1.20-1.50

0.80-1.15

SKD61

0.35-0.42

0.80-1.20

0.25-0.50

0.030 max

0.020 max

4.80-5.50

1.00-1.50

0.80-1.15

Equivalent grades 

AS 1239

ASTM A 681

BS 4659

BS EN ISO 4957

JIS G 4404

Werkstoff

H13A

H13/UNS T20813

BH13

X40CrMoV 5-1

SKD 61

1.2344/X40CrMoV5-1

AISI H13 tool steel is characterized by:

High level of toughness and ductility

Good resistance to abrasion at both low and high temperatures

Good high-temperature strength

High through-hardening properties

Very limited distortion during hardening

Good resistance to thermal fatigue

PESR
Pressure electroslag remelting
    Pressure electroslag remelting process is the metallurgic process for the production of steel with high purity and a controlled solidified and respectively faultless structure under pressures of several atmospheres.
  The ESR is the metallurgic process for the production of steel with high purity and a controlled solidified and respectively faultless structure. It is well known as a refining method used mainly in the steel and superalloy industry. The main goal of this process is the inclusion, removal, desulphurization and the adjustment of a uniform microstructure. The fundamentals of this process are described elsewhere and are not further outlined in this paper.
  Many alloys contain elements like aluminum and titanium which, when heated, react with oxygen to form oxides. Oxides are detrimental to premium quality melted alloys. Premium grade alloys, such as those required by the aerospace, energy, medical and automotive industries, can be protected from the atmosphere and residuals by melting inside a vacuum container. This approach gives the metals producer more control over alloy chemistry. The result is a cleaner, more uniform product with the superior properties required for critical service applications.

Ultrafine Treatment

The steel's microstructure is effectively refined by the multiple cycle heating and quenching method. The specific process is to heat the steel from room temperature to a temperature slightly above Ac3, hold it for a short time at a lower austenitizing temperature, then quickly quench and cool it to room temperature, and repeat the process. Each cycle heating will obtain more fine austenitic grains.

(a) nonhigh temperature diffused-superfining treated,annealed. (b) high temperature diffused-superfining treated,annealed. (c)nonhigh temperature diffused-superfining treated,quenched and tempered. (d) high temperature diffused-superfining treated,quenched and tempered.

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