Hot work tool steel
ALTA 1.2714 Tool Steel Specification
Steel properties
ALTA 1.2714 is Nickel-chrome-molybdenum-vanadium steel for hardening in the stream of air or in oil with high hardenability. The steel has high hardness after hardening, good resistance to the tempering, good toughness and good firmness during the heat. Is resists quick temperature changes and also thermal fatigue. The steel is well-workable during the heat and well-workable in the soft-annealed state.
Applications
² Hammer forging dies, hot forging tools
² Extrusion dies
² Large molds for plastic processing used in thermoplastics
Chemical composition
Chemical Composition per %
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
Ni |
Cu |
Min. |
0.50 |
0.10 |
0.60 |
|
|
0.80 |
0.35 |
0.05 |
1.50 |
|
Max. |
0.60 |
0.50 |
0.90 |
0.025 |
0.015 |
1.20 |
0.55 |
0.15 |
1.80 |
0.30 |
Basic melting process : |
IM/EAF + LF + VD |
Hardness : |
Max 248 HB (annealed) |
Reduction ratio : |
5 : 1 minimum or required |
Grain size : |
≥ 5.0 per ASTM E112 |
Non-metallic inclusion : |
≤ 1.0 (thick), ≤ 1.5 (thin) per ASTM E45 method A (more pure by ESR route) |
Microstructure | SEP1614 or NADCA # 207 |
Ultrasonic Test |
SEP1921, , EN 10308, ASTM A388 or agreed methods |
Macro-structure |
As per ASTM E381 |
Straightness / flatness |
≤ 1.5 mm / m (machined), ≤ 2.5 mm / m (black) |
Tolerance |
Per discussed |
Size range (round bars) |
Ø 12 - 800 mm |
Size range (flats, plates) |
8 - 600 mm in thickness max. 1100 mm in width |
Downloads
-
2024-06-12 Alta 1.2714 SPEC (011 - S6 - T1 ).pdf
끂54 251.19 KB
Features
² Good toughness and ductility
² Good thermal fatigue resistance
² Good hardenability and dimensional stability
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