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Plastic Mould Steel
Similar to other Foreign Grade
| ASTM (P20) | DIN | ASSAB | Bohler |
equal | 1.2311 | 618 | M202 |
Composition(%)
Standard | C | Mn | Si | Cr | Mo | Ni | P | S |
| GB/T1299-2000 | 0.28/0.40 | 0.60/1.00 | 0.20/0.80 | 1.40/2.00 | 0.30/0.55 | ≤0.25 | ≤0.030 | ≤0.030 |
Description
*Prehardened to 284-332HB(30-36HRC) there is easy maching, deformation effective by harened could off
*EFER or ESR steel exhibits a high purity, is suited for spackerosion and mirroe-like production.
Application
*Thermo-plastic ingected dies, thermo-plastic bolw-up dies, and platic extrusion dies.
Size and Shape(milimeter)
*Flats 10-90×100-610
*Bars Φ8-500
Mould 100-400
Delivery condition
*Prehardened for flats HRC30-36
*AnneanedHB≤235 or prehardened for bars