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Water-hardening type steel, T158, IS 13387
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Chemical Composition
Base Element
Fe (Iron)
B (Boron)
0.0003
% (maximum)
C (Carbon)
1.25 to 1.9
%
Cr (Chromium)
0.3
% (maximum)
Cu (Copper)
0.25
% (maximum)
Fe (Iron)
96.4 to 98.5
%
(estimate)
Mn (Manganese)
0.2 to 0.35
%
Mo (Molybdenum)
0.05
% (maximum)
Ni (Nickel)
0.3
% (maximum)
P (Phosphorus)
0.03
% (maximum)
S (Sulfur)
0.03
% (maximum)
Si (Silicon)
0.1 to 0.3
%
Sn (Tin)
0.05
% (maximum)
V (Vanadium)
0.05
% (maximum)
Composition Note
Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one.
Mechanical Properties
Vickers Hardness
2.64e9
Pa (maximum)
Other Information
Material Class
Ferrous Alloy
Alloy Family
Tool Steel
Alloy Group
Mold steel and special-purpose tool steel
Alloy Sub-Group
Water-hardening type steel
Country
India
Standards Body
BIS (India)
Description
Tool steel forgings for cold metal forming operations; ann hardness.
Designation
T158
Specification Type
Standard
Specification
IS 13387
Specification Year
2004
Specification Status
Active
Specification Status Notes
active 2004
Source
Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006
Available forms
Wrought
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Organizations
Bureau of Indian Standards (BIS)
No warranty is given for the accuracy of these data
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