What kind of steel is used for the mold of automobile lamps?

 What kind of steel is used for the mold of automobile lamps?

Use 2738H 2343 SP350 718H

These materials are special materials for car lights

If the cost of the mold is not high, then use the domestic 2738H material, and use the imported 2343 material for the middle core. If the cost is acceptable, use the 718H NAK80 material.

In addition, 8407 DAC SKD61, these materials belong to metal die-casting molds. These materials are rust-proof and polished, which is okay, but they are almost useless in the car lights. Be careful. The car lights require no sand holes and no orange peel patterns on the light board, so P20 The ____ does not work

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