Specification :

H21/ 1.2581 Alloy Steel
Detailed Product Description

1.2581 Alloy Steel
1.Factory with 10years professional experience
2.EAF/ ESR+ Forged+ annealed + turned/ grinded
3.UT: En 1921C/ c

1.2581 Alloy Steel

( 1) Dimension: Diameter 70-260mm;

Thickness : 20-150mm, Width: 100-500mm

( 2) Delivery Status: Black surface/ grinded/ machined

( 3) Delivery Time: Within 45 days

( 4) Package: In seaworthy packing

( 5) Chemical Composition:

C
Si
Mn
Cr
W
v
P
S

0.30~ 0.40
0.40 MAX
0.40 MAX
2.20~ 2.70
7.50-9.00
0.20-0.50
d0.030
d0.030

( 6) Compared grade

China
Germany
USA
Japan
Korea

GB
DIN
ASTM
JIS
KS

3Cr2W8V
1.2581
H21
SKD5
STD5

( 7) Specification:

Good bearing capacity, heat intensity and tempering resistance.preferable hardness, intensity and hardenability in high temperature, excellent heat resistance.

( 8) Application:

Convex & concave mould of high stress but no shock load in high temperature.Making big bend and draw stress mould. Making cut tools in high temperature.