Guangzhou Changfeng Steel Co., LTD
The Customer Satisfaction Is The Soul Of Enterprise.
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Baosteel 1.2738 (P20+Ni, 718H) Steel Plate of Special 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 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: 33-35HRC
7, Packing: Standard export packing or according to customers' request.
8, Delivery:
For abundant stock, 15-20 days.
For customized products, 30-50 days.
9, The process flow
a, Hot rolled or forged condition, Pre-harden &tempering , black surface
b, Hardness: 30~36HRC
c, Hot rolled technology:EAF+LF+VD
Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface
10, Our service:
1, Sizes, materials and others are all at your requirements and can be changed;
2, Price varies on materials, dimensions, finish craft and different payments;
3, We are direct manufacture in machinery manufacturing work with experience of several decades;
4, Detail production design will be made according to information you offered;
5, We have adequate inventory, so that we can quick delivery;
6, The most important is that we have advanced equipment.
Product pictures:
Corner of factory: