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H-11

H-11 Hot Work Tool Steel

H-11 hot work tool steel is a 5% chromium hot work steel that is characterized by excellent impact toughness. It contains less vanadium than the widely-used H13 hot work tool steel. This provides for the higher toughness, with some reduction in wear resistance and temper resistance. H-11 hot work tool steel is a deep-hardening, air-hardening steel that exhibits minimal size change during heat treatment. It has good resistance to thermal fatigue cracking (heat checking) and excellent resistance to gross cracking and thermal shock when water cooled in service. H-11 hot work tool steel is recommended for hot tooling applications where maximum resistance to cracking is required. Such applications include hot punches, die casting dies, forging dies, hot shear blades, hot gripper dies, and extrusion tooling.

The Specialty Steel Products are available upon request and all stock is subject to mill availability. A Diehl Steel representative will assist all customer requests for these products.

Analysis:


C

CO

CR

MN

MO

NI

P

S

SI

V

W
0.33 – 0.434.75 – 5.500.20 – 0.601.10 – 1.600.80 – 1.250.30 – 0.60

Size Availability:

Available upon request and subject to mill availability. A Diehl Steel representative will assist all customer requests for this product.

Designations:

AISI H11 Tool Steel-US
AFNOR Z 38 CDV 5-France
DIN 1.2343-Germany
UNI KU-Italy
JIS SKD6-Japan
B.S. BH 11-United Kingdom
ASTM A681-US
FED QQ-T-570-US
SAE J437-US
SAE J438-US
SAE J467-US
UNS T20811-US

Data is typical and should not be construed as actual values for any category.
Applications and technical information require engineers and tool designers to exercise independent judgement.
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