Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar

Product Details
Customization: Available
Type: Sheet
Standard: AISI, ASTM, DIN, JIS, GB, BS
Manufacturer/Factory & Trading Company

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Number of Employees
286
Year of Establishment
2003-06-25
  • Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar
  • Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar
  • Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar
  • Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar
  • Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar
  • Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar
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Basic Info.

Model NO.
1.2344 block
Technique
Forged
Shape
Block
Surface Treatment
Black, Machined
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Tool Steel Bar
Transport Package
Nude Packing
Specification
check detailed description
Trademark
Ningbo Ningshing
Origin
China

Product Description

DIN 1.2344 Hot Work Tool Steel / AISI H13 / JIS SKD61

 

Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar


Ningshing Special-Steel has over 20 years for supplying high quality of DIN 1.2344 Hot Work Tool Steel. We focus on the market of die casting, hot forging and aluminum extrusion. With our professional technical team, we offer one-stop solution to customers, from raw materials, to further machining and vaccum heat treatment.


DIN 1.2344 Hot Work Tool Steel (also known as AISI H13) is a tool steel grade standardised for hot working. The main feature of this grade is the combination of alloyed elements of Cr, Mo and V, which provides a high wear resistance to thermal shock. It is well known as for its great strength, and heat resistance. It is heavily used for die casting in the cold heading field. The presence of high vanadium in DIN 1.2344 can handle the abrasion at both low and high temperatures. It always provides a uniform and high level of machinability. This tool steel is mostly used for aluminum, magnesium and zinc die casting.


Dimensions
Block: 80-600 x 100-1600 mm


Specifications
EAF+LF+VD+(ESR), Hot rolled or Forged, Annealed, Black surface or Machined surface, UT SEP1921 Class3 D/d



Equivalence

AISI / SAE DIN / W.Nr JIS GB
H13 1.2344 SKD61 4Cr5MoSiV1



Chemical Composition(%)

Steel Grade C Si Mn P S Cr Mo V
1.2344 0.35-0.42 0.80-1.20 0.25-0.50 ≤ 0.030 ≤ 0.020 4.80-5.50 1.20-1.50 0.85-1.15
H13 0.32-0.45 0.80-1.20 0.20-0.50 ≤ 0.030 ≤ 0.030 4.75-5.50 1.10-1.75 0.80-1.20
SKD61 0.32-0.42 0.80-1.20 0.25-0.50 ≤ 0.030 ≤ 0.030 4.50-5.50 1.00-1.50 0.80-1.15



Characteristics
1. Air cooling hardened hot work tool steel, most widely used.
2. High toughness Good cold & thermal fatigue resistance.
3. Small distortion, deformation and oxide skin after heat treatment during air cooling.
4. Good resistance from the undermining of fusing Aluminum.



Applications
1. For making aluminum and copper alloy die casting mold when die cavity temperature is below 600°C
2. For making forging die, forging press mold, mold hammer block for fine forging machine uses.



Forging Technique

Heat Temperature Start Forging Temperature Finish Forging Temperature Cooling Method
1120-1150 °C 1050-1100 °C 900-850 °C Pit or Sand Cooling



Heat Treatment

Annealing
750 to 800°C (1382 to 1472°F)
Slow controlled cooling in furnace at a rate of 10 to 20°C/hr (50 to 68°F/hr) down to
approx. 600°C (1112°F), further cooling in air.
Hardness after annealing: max. 235 HB.

Hardening
1020 to 1080°C (1868 to 1976°F)
Oil, salt bath (500 - 550°C / 932-1022°F), air
Holding time after temperature equalization: 15 to 30 minutes.
Obtainable hardness:
52 - 56 HRC in oil or salt bath,
50 - 54 HRC in air.


Stress relieving
600 to 650°C (1112 to 1202°F)
Slow cooling in furnace; intended to relieve stresses set up by extensive machining, or in complex shapes.
After through heating, hold in neutral atmosphere for 1 - 2 hours.

Tempering
Slow heating to tempering temperature immediately after hardening / time in furnace
1 hour for each 20 mm of work piece thickness, but at least 2 hours / cooling in air.
It is recommended to temper at least twice.
A third tempering cycle for the purpose of stress relieving may be advantageous.
1st tempering approx. 30°C (86°F) above maximum secondary hardness.
2nd tempering to desired working hardness.
The tempering chart shows average tempered hardness values.
3rd for stress relieving at a temperature 30 - 50°C (86 to 122°F) be low highest
tempering temperature.

Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round BarAlloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round BarAlloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round BarAlloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round BarAlloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round BarAlloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round BarAlloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round BarAlloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar
Alloy Steel with 1.2344 Block H13 SKD61 Hot Work Tool Steel Plate Metal Sheet Pipe Die Casting Die Flat Carbon Steel Block Round Bar

Q1: What is Ningbo Ningshing Precision Machinery Group Co., Ltd ?
A1: Ningbo Ningshing Precision Machinery Group Co., Ltd., formerly known as Ningbo Ningshing Special-Steel Group Co., Ltd., is the leading distributor of Special Steel, and also a professional mold base maker in China. Our business involves special steel trading, machining processing, mold base making, heat treatment, CNC machines manufacturing.


Q2: Are you a manufacturer or a trader? 
A2: For Special Steel, we are the one of the leading distributors and service center in China. 9 warehouses with over 50,000 tons of regular stock. Our workshop has various kinds of equipments for sawing, milling, grinding, drilling etc.
For mold base, we are a professional manufacturer, with 24 sets of CNC machines, 3 axis and 5 axis, CMM for inspection. We produce medium-large sized mold base for plastic injection mold and die casting die.


Q3: How do you control the quality of steels?
A3: Firstly, we have very close and deep relationship with Chinese Prime Mills, choose supplier carefully, and regard them as the long term business partner. Based on the long term cooperation, we concentrate on special steel business and expand the market step by step. Secondly, we have own technical center which is formed by the experienced engineers and technicians whom ever worked for prime mills. We control the quality in production process, in-out warehouse.


Q4:: Which kind of processing can you do?

A4: We do machining processing like cutting, milling, grinding, turning, peeling, drilling, CNC machining. Meanwhile, we do vacuum heat treatment for die and mold.

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