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Mould Materials Affects Injection Mould Cost

Mould is the mother of industry. As the precursor of the mother of industry, the importance of mould steel to injection moulds is self-evident. And the injection mould cost is also derived from the mould steel, because the injection mould manufacturer also quotes the price of the mould according to the price of the materials that mould use, such as the material coefficient method: plastic mould = 6 * material fee.

Calculate with experience:
Injection mould price = material fee + design fee + processing fee and profit + value added tax + mould trial fee + packaging transportation feeInjection mould steel
The ratios are usually:
Material fee: materials and standard parts account for 15%-30% of the total cost of the injection mould
Processing fee and profit: 30%-50%
Design fee: 10%-15% of the total cost of the injection mould
Mould trial: large and medium moulds can be controlled within 3%, and small precision moulds are controlled within 5%
Packaging transportation fee: can be calculated according to actual calculation or 3%
VAT: 17%

Today, injection mould manufacturers here list the general materials of injection mould for your reference:
Common mould steel
1. Cold work mould steel
(1) Anti-wear cold work die steel
6Cr4W3MoVNb、6W6Mo5Cr4V、7Cr7Mo3V2Si、Cr4W2MoV、Cr5Mo1V、Cr6WV、Cr12、Cr12MoV、Cr12W、Cr12Mo1V1
(2) Impact resistant cold work mould steel
4CrW2Si、5CrW2Si、6CrW2Si
(3) High carbon low alloy cold work mould steel
9SiCr、9CrWMn、CrWMn、Cr2、9Cr2Mo、7CrSiMnMoV、8Cr2MnWMoVS、Cr2Mn2SiWM
(4) Non-magnetic mould steel
7Mn15Cr2Ae3V2WMo、1Cr18Ni9Ti
(5) High-speed steel for cold work mould
W6Mo5Cr4V2、W12Mo3Cr4V3N、W18Cr4V、W9Mo3Cr4V
(6) Cold work die carbon tool steel
T7、T8、T9、T10、T11、T12

2. Hot work mould steel
(1) Low heat resistance hot work mould steel
5CrMnMo、5CrNiMoVSi、4CrMnSiMoV、5Cr2NiMoVSi
(2) Medium heat resistant hot work die steel
4Cr5MoSiV、4Cr5MoSiV1、4Cr5W2VSi、8Cr3
(3) High heat resistance hot work die steel
3Cr2W8V、3Cr3Mo3W2V、5Cr4Mo4W2VSi、5Cr4Mo3SiMnVAe、5Cr4W5Mo2V、6Cr4Mo3Ni

3. Plastic mould steel
(1) Carburized plastic mould steel
20Cr、12CrNi3A
(2) Age hardening plastic mould steel
3Cr2Mo、3Cr2NiMnMo、5CrNiMnMoVSCa、40Cr、42CrMo、30CrMnSiNi2A
(3) Carbon plastic mould steel
SM45、SM50、SM55
(4) Corrosion resistant plastic mould steel
2Cr13、4Cr13、9Cr18、9Cr18Mo、Cr14Mo4V、1Cr17Ni

In the steel plate (sheet), there are also many materials listed in the mould steel series: 45 (45 #, 45), P20, S45C, S50C etc.
When quoting for customers, we will confirm the product usage with the customer for the first time. In the mould steel selection reference customer requirements product surface requirements, is it necessary to do the matte surface or mirror surface, or the transmittance needs to reach more than 60%, etc., the injection mould service life is required to be able to reach 500,000 times, or to achieve 200,000 times. How complex is the size and structure of the product? Is it needs to do big pressure or small pressure? How are the product flash and the degree of shrinkage control? It is necessary to select the corresponding injection mould material to make the mould to meet the customer's requirements and fulfill the contract.

By the way, the so-called one-point price and one-off goods, in the eyes of the layman, each injection mould are the same, and ultimately the choice of cheap is actually harming their own interests. The cost of the flower is bigger and the profit of the injection mould is lower. Of course, you can't just choose expensive ones, and you can't rule out some black-hearted businesses. Therefore, we recommend that you choose reliable injection moulding manufacturer, we are engaged in the processing and manufacturing of injection moulds for many years in Shenzhen, Guangdong. We are concerned about the establishment of word of mouth, and establish long-term cooperative relationship with customers.

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