JIS: NAK80 /GB: 1Ni3Mn2CuAlMo
1. Hot rolled condition, Pre-harden & tempering, black
2. Hardness: 38~42HRC
3. Hot rolled technology: EAF+LF+VD
4. Production leadtime: 7~10 days
5. Ultrasonic test standard: SPE1921-GR3, CLASS E/E
Applications:
· Used for high-grade mirror mold (Molds for transparent, e. G. Cosmetics containers, food containers and daily electrical appliances. )
· Used for the mold focusing on discharge machining surface, (Molds for such products as fruit plate, food box, computer casing, keyboards and automobile interior decorations)
Used for plastic molds under long production at high precision. (Molds for such products as electrical switches, multifunctional sockets, plugs, charger cashing and computer parts. )
Competitive Advantage:
1. Good workability and mirror polishing property, suitable for thermoset molding of general resin
2. Material is a steel smelted by using refining degassing and ESP remelting, suitable for super-mirror molds with high polishing property requirements.
3. Stable hardness after electric spark machining, easy to repair and Polish the mold
4. Competitive price
5. Fast production leadtime
6. All the material are inspected with 3 times to meet the highly standards material supplied
| REMARK: |
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| 1.Hot rolled, Pre-harden & tempering, black |
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| 2.Hardness: 38~42HRC |
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| 3. Chemical compositions(%) |
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| C |
Si |
Mn |
Ni |
Cu |
Mo |
Al |
P&S |
Cr |
| 0.1-0.15 |
0.15-1.0 |
1.0-2.0 |
2.50-3.50 |
0.70-1.50 |
0.10-0.40 |
0.7~1.1 |
≤0.03 |
≤0.05 |
| 4.Compared grades(based on usage): |
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| Chinese |
Japanese |
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| GB |
JIS |
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| 1Ni3Mn2CuAlMo |
NAK80 |
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| 5.Ultrasonic Test Standards:SPE1921-GR3, CLASS E/E |
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| 6.Production leadtime: 7~15days |
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| 7.Payment : 30% deposit and balance pay against on the BL copy or LC at sight |
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| 8.We can provide below service: |
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| Steel plates: Cutting by bandsaw machine, milling , heat treatment ,etc |
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| 9. Ruiyuan steel focus on the customer business security , and have 23 years experience to control the |
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| material quality and we are resposibility , reliable |
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