Nak80/P21 Hot Sale Steel Sheet for Plastic Mould Steel

- Sep 18, 2017-

Basic Info

  • Model NO.: NAK80, P21, NAK55

  • Standard: ASTM, AISI, GB, JIS, DIN, BS

  • Surface Treatment: Blackface

  • Application: Mold & Dies

  • Stock: Stock

  • Width: 155-710mm

  • Shape: Steel Plate

  • Heat Treatment: Q/T

  • Trademark: KAIXIN

  • Specification: thickness 20-80mm

  • HS Code: 7225401000

  • Type: Steel Plate

  • Certification: ISO, SGS, RoHS

  • Technique: Hot Rolled

  • Special Use: High-strength Steel Plate, Wear Resistant Steel

  • Grade: NAK80/P21

  • Length: 1600-6000mm

  • Production Process: Ef/Eaf+Lf+Vd/ESR

  • Payment: 30% Deposit Balance by L/C at Sight, or T/T

  • Transport Package: Standard Packing for Customers′ Request

  • Origin: China

Product Description

HSSD NAK80 Pre-hardened advanced mirror plastic mould steel

To make high precision mirror plastic mould, high appearance home appliance plastic mould.

Steel prehardened karma and high quality mirror plastic die is similar to Japanese Diado NAK80, HSSD NAK80 Steel pre-hardened 38-42 HRC hardness, good and processing performance and polishing performance , high dimensional accuracy and stability, hardening hardness can reach 40 HRC, with the same excellent performance and imported NAK80.

Chemical composition:


Packing : seaworthy packing or as customer request
Payment: T/T OR L/C
Replace imported mold steel NAK80 are widely used in automobile, 

computer display screen, camera and mobile phone and other transparent parts and optical components.
1. Special smelting method ensures that the high purity, even and compact structure, 

with mirror polishing performance.

2. Electrical discharge machining performance excellent: dude to the machining surface smooth, 

can replace the etching process, and the hardness will not be increased during processing, 

so the processing efficiency is high
3. Good welding processing properties.
4. Raw material hardness of 36-45 HRC, no need to heat treatment, can be directly manufacture die.
Recommend heat treatment

Heating temperature oCCooling wayHardness (HRC)Aging temperature oCHardness (HRC)
Preheating temperatureSolution temperature
Oil cooling or air cooling30- 35490-55038-42

Our services:
1. Sizes material and others are all at your requirements and can be change
2. Price varies on material , dimensions, finished craft and different payments
3. We are direct manufacturer in machinery manufacturing with experience of many years
4. Detailed production design can be made according to the information you offered
5. Each material will be passed the UT test
6. We have an adequate inventory, so that we can effect a quick delivery

Manufacturing process
EF→LF→VD→Argon gas protection casting ingot→
Multidirectional forging→Normalizing→Annealing heat treatment→UT→Quenching→Tempering pre-hardening heat treatment→Product testing

Hubei Kaixin Supply Chain Management Co., Ltd.

TEL +8618272169977 ; 0714-6510168


AddNo.37 Huahu Ave Huahu Street.Huangshi City Hubei