NAK80/P21 Structural High Precision Special Alloy Steel Round Bar
Guangzhou Changfeng Steel Co., Ltd.- Type：Alloy Steel Bar
- Standard：AISI, ASTM, GB, JIS, DIN, BS
- Technique：Hot Rolled
- Application：Structural Steel Bar, Tool Steel Bar, Die Steel Bar
- Surface Treatment：Polished
- Alloy：Alloy
Base Info
- Model NO.：P21, NAK80, 10Ni3MnCuAl, GS-808, SP400
- Special Use：Mold Steel, Free Cutting Steel
- Model Number：P21, NAK80, 10Ni3MnCuAl, GS-808,SP400
- Payments：30% deposit T,T, balance by L,C at sight
- Hardness：Max 229
- Delivery Time：10-50 Days
- Heat Treatment：Q,T
- MOQ：3MT
- Sample：Free
- Stock：Available
- Diameter：20-120mm
- Length：3000-6000mm
- Test：Ut 100% passed
- Ut standard：Sep 1921-84 class 3 C,C to D,D
- Transport Package：Standard or Customized
- Specification：dia20-120*3000-6000mm
- Trademark：CF STEEL
- Origin：China
- HS Code：7228309900
- Production Capacity：1000mt,Month
Description
Application
Used for high precision mirror plastic mould,high appearance home electronic plastic mould.
Widely used in the medical and cutlery industries.
Hot hard type and Long-life plastic mould.
Plastic mould.Large size injection mold.
Specification
Steel Grade
Plate size
Thickness:20-80mm
Width:>=155mm
Length:2000-6000mm
2, Chemical composition:
| C | Si | Mn | Ni | Al |
| 0.10~0.15 | 0.15~1.00 | 1.00~2.00 | 3.20 | 0.50~1.50 |
Delivery Condition:EAF+LF+VD+(ESR), forged, annealed, UT tested, peeled or machined.
3, Heat Treatment:
Forge:At 900° C-1100° C Cool slowly and anneal immediatedly
Anneal:At 880° C Cool slowly in furnace
Stress Relieve:At to 600° C - 650° C Cool in still air
Harden:Preheat at 600° C - 850° C raise to 1020° C -1100° C Cool in air, iol or into salt bath held at 200° C - 300° C and then air cool
4, Corner of the factory
