A2 air-cooled tool steel
Product description
A2 air-cooled tool steel
| grade of steel | C | Si | Mn | P | S | Cr | Mo | V |
| A2 | 0.95-1.05 | 0.20-0.40 | 0.45-0.75 | Max.-0.030 | Max.-0.030 | 4.75-5.15 | 0.90-1.40 | 0.20-0.40 |
Remark：Cu + Ni：0.75%
Practical use
Precision stamping die.
Precision punching die and stamping die for various purposes.
Tools for plastic deformation of difficult materials.
Die for cold forging, deep drawing and thread rolling.
Other uses
High speed punching punch, stainless steel plate punch.
Drawing die, crimping die, embossing die, wear plastic forming die.
Factory status :HB230-250
Heat treatment specification
Annealing:
The temperature is 845~870℃, and the furnace is cooled to about 540℃ at 8~15℃/h.
Stress relief:
The temperature is about 650~675℃, cooling in the furnace
Quenching:
Preheat -- temperature 790℃, every 25mm for about 20 minutes;
Wastian iron - temperature 925~980℃, every 25mm for about 20 minutes.
Quenching medium: air.
Tempering:
Low temperature tempering -- temperature 175~540℃, every 25mm for about 30 minutes, air cooling, hardness HRC 61~64.
Recommended products
