Esun can makecasting , die , zinc , die casting , zinc steel , zinc alloy , aluminum die casting , casting product ,sand casting.
1.Free design and artwork
2.Competitive price, good quality
3.Fast delivery
4.No MOQ limited
5. 5% off for your first order
6.Free artwork and design for lapel pin.
7.Mold and film charge will be FREE if order Qty meets our order policy.
8..Free sample charge
9.Delivery in time and quality guaranteed
10.Responsible After-Sale service
Table 1
Die and component material and hardness for various cast metals | |
Die component | Cast metal |
| Tin, lead & zinc | Aluminium & magnesium | Copper & brass |
| Material | Hardness | Material | Hardness | Material | Hardness |
Cavity inserts | P20 [note 1] | 290–330 HB | H13 | 42–48 HRC | DIN 1.2367 | 38–44 HRC |
| H11 | 46–50 HRC | H11 | 42–48 HRC | H20, H21, H22 | 44–48 HRC |
| H13 | 46–50 HRC | | | | |
Cores | H13 | 46–52 HRC | H13 | 44–48 HRC | DIN 1.2367 | 40–46 HRC |
| | | DIN 1.2367 | 42–48 HRC | | |
Core pins | H13 | 48–52 HRC | DIN 1.2367 prehard | 37–40 HRC | DIN 1.2367 prehard | 37–40 HRC |
Sprue parts | H13 | 48–52 HRC | H13 DIN 1.2367 | 46–48 HRC 44–46 HRC | DIN 1.2367 | 42–46 HRC |
Nozzle | 420 | 40–44 HRC | H13 | 42–48 HRC | DIN 1.2367 H13 | 40–44 HRC 42–48 HRC |
Ejector pins | H13 [note 2] | 46–50 HRC | H13 [note 2] | 46–50 HRC | H13 [note 2] | 46–50 HRC |
Plunger shot sleeve | H13 [note 2] | 46–50 HRC | H13 [note 2] DIN 1.2367 [note 2] | 42–48 HRC 42–48 HRC | DIN 1.2367 [note 2] H13 [note 2] | 42–46 HRC 42–46 HRC |
Holder block | 4140 prehard | ~300 HB | 4140 prehard | ~300 HB | 4140 prehard | ~300 HB |
In 2006, Hongkong: Esun Industry started business of metal project, mainly supplied Toshiba lighting of Japan die casting and CNC parts, and some assemble lighting parts.
In 2008, China: Esun Industry found the first die casting factory MY in dongguan city, which is speaclizing in die casting parts.
In 2010, MY passed ISO9001: 2008 quality system.
In 2011, Oversea office set up in Australia, dealing with die casting, CNC and metal sheet fabrication.
In 2014, China: Esun Industry found the second factory TC hardware-electric in dongguan city, which is speaclizing in assembling Lighting.
In 2014, China, TC passed ISO9001: 2000 quality system.