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H21 Steel
Steel name: H21
Diagram No.: 850
BS designation: BH21
Mat.No. (Wr.Nr.) designation: 1.2581
AISI/SAE designation: H21
Chemical composition in weight %: 0.30% C, 3.00% Cr, 0.30% V, 9.00% W
Steel group: Hot work tool steels
Properties: No data
Applications: H21 is particularly useful for hot forging and blanking dies and punches for making nuts, bolts and other similar small components. Dies, cores, inserts, pins, etc for the die casting of copper base alloys are also prime applications for this steel. Other uses include forming dies, shear blades, hot extrusion dies, mandrels, punches, die holders, ejector discs and extrusion liners.
Reference: Not shown in this demo version.
Heat Treatment
Hardening: 1120-1170oC/oil, salt bath
Tempering: See the diagram
Tempering Diagram
Price: 20.00 US $
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Disclaimer: The material data is a central depository of information based on global actual tests and calculated software data that is available to the public for a fee. The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.