P20, 618 Plastic Mould Steel
1. Main application:
High quality plastic moulds
High quality plastic moulds
2. Manufacturers:
An Steel, Tai Steel, Wuyang Steel, Wuhan Steel, Bao Steel etc.
3.Delivery condition:
Hot rolling or forging, black surface, pre-harden or tempering to 28~33HRC/30~35HRC Width:1500~2500mm,Thickness:20~410mm
4.General
Through hardening, good machining and mirror polishing abilities; in hardened condition, mold cavity can be put in direct use after processing; suitable for surface treatment and chrome plating; nitriding can increase surface hardness.
Through hardening, good machining and mirror polishing abilities; in hardened condition, mold cavity can be put in direct use after processing; suitable for surface treatment and chrome plating; nitriding can increase surface hardness.
5.Chemical analysis
|
C%
|
Mn%
|
Si%
|
Cr%
|
Mo%
|
P%
|
S%
|
|
0.28~0.4
|
0.60~1.00
|
0.20~0.80
|
1.40~2.00
|
0.30~0.55
|
=<0.03
|
=<0.03
|
6. Available sizes:
Round Bar: Φ 6-410mm
Flat: 8-160*205-710mm
Plate: 20-400mm*1800-3200mm (Thickness*Width)
Mould: 200*200-1200*1000mm
Length: 3000-12000mm
Mill deliver conditions, or sawing or cutting for customer request.
7. Compared grades, based on usage:
|
Chinese
|
American
|
German
|
Swedish
|
Japanese
|
|
GB
|
AISI
|
DIN
|
ASSAB
|
JIS
|
|
3Cr2Mo
|
P20
|
1.2311
|
618
|
PDSS
|
|
Grade
|
Standard
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
P、S≤
|
|
P20
|
ASTM
|
0.28-0.40
|
0.20-0.80
|
0.60-1.00
|
1.40-2.00
|
0.30-0.55
|
0.030
|
|
1.2311
|
DIN
|
0.35-0.45
|
0.20-0.40
|
1.30-1.60
|
1.80-2.10
|
0.15-0.25
|
0.035
|
|
3Cr2Mo
|
GB
|
0.28-0.40
|
0.20-0.80
|
0.60-1.00
|
1.40-2.00
|
0.30-0.55
|
0.030
|
|
618
|
ASSAB
|
0.28-0.40
|
0.20-0.80
|
0.60-1.00
|
1.40-2.00
|
0.30-0.55
|
0.030
|