Home > Products > Hot Work Tool Steel > DIN 1.2345 Forged / Hot Rolled Steel Rod 10mm / 20mm Steel Round Bar
DIN 1.2345 Forged / Hot Rolled Steel Rod 10mm / 20mm Steel Round Bar
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Product Details
Brand Name | NFCase | Place of Origin | China | |
Model Number | AIA-1 |
Product Description
Certification:CE,FCC,MSDS
DIN 1.2345 Die Steel , Hot Work Tool Steel Round Bars for Forging Dies , Aluminum Extrusion Dies
Steel Grade: |
1.2345 |
Application: |
Die Steel, Mould Steel |
Shape: |
Round bar |
Standard: |
AISI, DIN, JIS, GB |
Dimension: |
Φ10 – 600 mm |
Surface: |
Black, Peeled, Turned, Grinded |
Technique: |
Hot rolled, Forged |
Ultrasonic Test: |
100% UT Passed |
Description:
◆ Equivalence
AISI / SAE |
DIN / W.Nr |
JIS |
GB |
H11 |
1.2345 |
---- |
4Cr5MoSiV1 |
◆ Chemical Composition (%)
C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
0.48 0.53 |
0.80 1.10 |
0.20 0.40 |
≤ 0.030 |
≤ 0.020 |
4.80 5.20 |
1.25 1.45 |
0.80 1.00 |
◆ Dimensions
Hot Rolled |
Forged |
|
Diameter (mm) |
10-130 |
60-600 |
Length (mm) |
2000-5800 |
2000-5800 |
◆ Delivery Condition
EAF+(ESR) or EAF+LF+VD+(ESR), Hot rolled or Forged, Annealed, Hardness≤229HB,
Black surface or Machined surface, UT 100% Passed
◆ Characteristics
1. Hot work tool steel designed particularly for applications requiring extreme toughness
combined with good red hardness. It provides an extra margin of safest in tools subject
to heavy hammer blows, and those tools containing deep recesses or sharp corners.
2. It is also used in many cold work applications where extra toughness is required at the
sacrifice of some wear resistance.
◆ Applications
Tools requiring resistance to softening at elevated temperatures. Such tools include forging dies and punches, die-casting dies, aluminum extrusion dies, hot heading dies, piercing and forming punches, etc.
◆ 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.
Stress relieving |
Approx. 650°C (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.
Hardening |
1050 to 1100°C
Oil, salt bath (500 - 550°C), air
Holding time after temperature equalization: 15 to 30 minutes.
Obtainable hardness:
57 - 59 HRC oil or salt bath hardening,
54 - 57 HRC air hardening.
Tempering |
Slow heating to tempering temperature immediately after hardening/time in furnace: 1hour for every 20 mm of work piece thickness, but not less than 2 hours/ air cooling (minimum holding time: 1 hour).
1st tempering and 2nd tempering to desired working hardness.
Average obtainable hardness values are shown in the tempering chart.
3rd tempering for stress relieving, 30 - 50°C be low highest tempering temperature.
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We offer a wide range of steel products in a wide variety of dimensions and executions,
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