| JIS | AISI | WNr | DIN |
| - | P20 | 1.2311 | 1.2311 |
CHEMICAL COMPOSITION(Typical Analysis %)
| C | Mn | Cr | Mo |
| 0.40 | 1.50 | 1.90 | 0.20 |
STEEL PROPERTIES
Cold or hot work tool steel, It is supplied hardenened and tempered to 880-1080N/mm. Good machinability, better polishability as W. Nr. 1.2312, suitable for texturing
PHYSICAL PROPERTIES
Thermal coductivity W/(m.K) 20⚬C/33
Density g/cm3 20⚬C/7.83
Coefficient of linear thermal expansion
| 10-1 ⚬C-1 | 20-100⚬C | 20-200⚬C | 20-300⚬C | 20-400⚬C | 20-500⚬C | 20-600⚬C | 20-700⚬C |
|---|---|---|---|---|---|---|---|
| 11.7 | 13.1 | 13.5 | 14.0 | 14.4 | 14.6 | 14.7 |
APPLICATIONS
For large injection moulds, forge drop hammer dies, intermediate boxes
HEAT TREATMENT
| SOFT ANNEALING(⚬C) | COOLING | HARDNESS (HB) |
| 710-740 | FURNACE | MAX. 230 |
| HARDENING FROM(⚬C) | IN | HARDNESS AFTER QUENCHING (HRC) |
| 830-880 | OIL, AIR, THERMAL BATH 180-220⚬C | 51 HRC (1730 N/mm2 |
| TEMPERING (⚬C) | 200 | 300 | 400 | 500 | 600 |
| HARDNESS (HRC) | 50 | 48 | 46 | 42 | 36 |
| (N/mm2) | 1680 | 1570 | 1480 | 1330 | 1140 |
*Further hardening is not recommended
NITROCARBURISING AT 570⚬C X 2HRS (51 %NH3, 43%N2, 1% Propane)
| HRC AT COMPOUND LAYER | THICKNESS OF COMPOUND LAYER | THICKNESS OF CASE DEPTH | CORE HARDNESS (HRC) |
| 63 | 10-12µm | 250µm | 33 |
ADDRESS
PHH METAL 1 SDN. BHD.
Wisma PHH, Jalan PPU 3,
Taman Perindustrian Puchong Utama,
47100 Selangor,
Malaysia..
CONTACTS
Email: info@phh.com.my
: sales@phh.com.my
Telephone: +60 3 8068 7000
Fax: +60 3 8068 2020
LINKS
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