Guangzhou Changfeng Steel Co., LTD
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/P21 Hot Rolled Plastic Mould Steel Plate
To make high precision mirror plastic mould, high appearance home appliance plastic mould.
Our company mainly sells plastic die steel, hot work die steel, cold work mould steel, alloy structural steel, bearing steel, tool steel, stainless steel, carbon steel, etc.
Our all products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.
Our company keeps the principle of "sincerely cooperation, endless striving for perfection".We desire to establish the long-term mutual beneficial and win-win relation with importers all over the word.
Detail information of plastic mould steel
Features | A:Electro discharge machining surface texture detail, even no strips and point defects. |
B:Electro discharge machining surface hardness is not rising, applicable to precision mold processing. | |
C:Have excellent processability and mirror polishing, suitable for general of thermosetting resin. | |
Application | Used for high precision mirror plastic mould,high appearance home electronic plastic mould. |
Widely used in the medical and cutlery industries. | |
Hot hard type and Long-life plastic mould. | |
Plastic mould.Large size injection mold. | |
| Hardness: | 37-43HRC |
Specification | |
Steel Grade | Mould steel 1Ni3Mn2CuAlMo/ |
Plate size | Round size |
Thickness:20-80mm | Diameter:20-800mm |
Width:>=155mm | Length:2000~9000mm |
Length:2000-6000mm | |
6, Chemical composition:
| C | Si | Mn | Ni | Al |
| 0.10~0.15 | 0.15~1.00 | 1.00~2.00 | 3.20 | 0.50~1.50 |
Delivery Condition:EAF+LF+VD+(ESR), forged, annealed, UT tested, peeled or machined.
Heat Treatment:
Forge:At 900° C-1100° C Cool slowly and anneal immediatedly
Anneal:At 880° C Cool slowly in furnace
Stress Relieve:At to 600° C - 650° C Cool in still air
Harden:Preheat at 600° C - 850° C raise to 1020° C -1100° C Cool in air, iol or into salt bath held at 200° C - 300° C and then air cool
7, Corner of the factory
