H21 Alloy Steel
1.Factory with 10years professional experience
2.EAF/ESR+Forged +annealed +turned/grinded
3.UT : En 1921C/
H21/1.2581/SKD5/STD5 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 | ≤0.030 | ≤0.030 |
(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.