| Prod Model: | DC037 | 
                        | Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe | 
                        | Casting Mold Material: | Ceramic Mold | 
                        | Style: | Special Casting | 
                        | Function: | Lubrication | 
                        | Material Color: | Black Metal | 
                        | Optional Material: | Aluminium | 
                        | Usage: | Home Use | 
                        | Application: | Commodity | 
                        | Material: | Steel | 
            
        
	
        Product Description
        Esun is specializing in casting , aluminium , die , die casting , aluminium can , aluminium material , aluminium product ,aluminium alloy and aluminum die casting.
Our advantage:
1. Quick response once we received your inquiry.
2. More than 20 years' manufacturing and exporting experienced team
3. Material: Grey Iron, ductile iron, steel
4. High quality products and competitive price.
5. Sand casting Precision machining
6. Electric furnace & CNC equipments
7. UT MT PT treatments
8. Strict quality inspection.
9. Delivery on time
.
| 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.