Guangzhou Changfeng Steel Co., LTD
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Prehardened Steel Plate 1.2738/P20+Ni For Plastic Mould Steel
1, Features
a, uniform hardness qualitative of Material;
b, No quenching crack danger,Without heat treatment costs that can reduce the tool cost;
c, Excellent polishing performance;
d, Good machining performance;
2, Application
Used for various large -sized mirror plastic mould,percision mould;
a, Leather grain, pear skin grain etching, imitation stone moulds;
b, Clear plastic container classes such as pencil case, commodity high gloss mould;
c, Such as refrigerator, air conditioner production to demand higher large mould;
3, Grade
| GB | AISI | DIN |
| 3Cr2NiMnMo | P20+Ni | 1.2738 |
4, Chemical composition(%)
| C | Mn | Si | Cr | Ni | Mo | P | S |
| 0.35-0.45 | 1.30-1.60 | 0.20-0.40 | 1.80-2.10 | 0.90-1.20 | 0.15-0.25 | ≤0.03 | ≤0.03 |
5, Mechanical Properrties:
| Hardness | Y.S.(0.2%) | UTS | Elongation | RoA | Elastic Modulus | |||
| HB | Mpa | KSI | Mpa | KSI | % | Z% | GPA | KSI |
| 300 | 826 | 120 | 993 | 145 | 17 | 59 | 205 | 29745 |
6, Hardness: 33-37HRC
7, Packing: Standard export packing or according to customers' request.
8, Delivery date
Abundant stock, 15-20 days.
Customized products, 30-50 days.
9, The process flow
1) Hot rolled or forged condition, Pre-harden &tempering , black surface
2) Hardness: 30~36HRC
3) Hot rolled technology: EAF+LF+VD
Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface
10, Contact details: You may contact to get further information!
Mould steel sheet 1.2738 / P20+Ni plastic mould steel is ideally suited for the production of plastic moulds. Typical applications include die holders, zinc die casting dies, backers, bolsters and injection moulds. The versatility of Mould steel sheet 1.2738 / P20+Ni plastic mould steel with its high tensile characteristics enables uses for a variety of other applications such as shafts, rails and wear strips