Plastic Mould Steel/Alloy Steel/Mould Steel1.2738/P20+Ni/718 
DIN1.2738/AISI P20+Ni/ASSAB 718/GB 3Cr2NiMnMo 
Standard: 
DIN, JIS, AISI, ASTM, GB 

Export Markets: Global 

Product Description 
1.2738 plastic mould steel 

APPLICATIONS: 
-Injection die, extrusiondie, compression mold, blowing die and absorbing mold that applicable to 
All kinds ofplastics, are commonly used as dies for housing of such products as air condittioner, 
Washing machine, computer monitor, printer and fax machine which have higher requirements on 
The smoothness of surface. 

GENERAL: 
-uniform hardness across the cross-section 
-very good polishability 
-good machinability 
-hardenable and temperable plastic mould steel 
-nitridable 
-suitable for chrome plating 


DELIVERY SIZES: 
Rounds-up to 1300mm 
Blocks-up to 1200mm thickness or acc. To your request 

Product Description 
1. Hot rolled, Pre-harden &tempering, black surface 

2. Hardness: 30~36HRC 

3. Hot rolled technology: EAF+LF+VD 

4. Production leadtime: 7~15 days 

5. Ultrasonic test standard: SPE1921-GR3, CLASS C/C or D/D 

Chemical composition: 

C: 0.30-0.40 
Si: 0.20-0.80 
Mn: 1.20-1.50 
P ≤ 0.030 
S ≤ 0.030 
Cr: 1.70-2.05 
Mo: 0.15-0.25 
Ni: 0.85~1.05