Guangzhou Changfeng Steel Co., LTD
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Black Surface of 1.2738 / P20+Ni / 718H Hot Rolled Alloy Steel
P20+Ni / 1.2738 tool steels are used for low temperature applications that include injection molds and die casting dies. Main applications of P20+Ni / 1.2738 steel plate and bar:Plastic moulds, die holder, backers, rames for plastic pressure dies, hydro forming mold tools.bolsters, die holders. Also suitable for other applications such as rails, shafts and wear strips.
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 Properties:
| 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 As per request
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