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Units
Metric
CGS (Consistent)
FPS (Consistent)
IPS (Consistent)
SI (Consistent)
UK Imperial
US Customary
1040, SWRCH40K, KS D 3592
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Chemical Composition
Base Element
Fe (Iron)
Ag (Silver)
Al (Aluminum)
As (Arsenic)
Au (Gold)
B (Boron)
Be (Beryllium)
Bi (Bismuth)
C (Carbon)
0.37 to 0.43
%
Ca (Calcium)
Cd (Cadmium)
Ce (Cerium)
Co (Cobalt)
Cr (Chromium)
Cu (Copper)
Fe (Iron)
98.3 to 98.9
%
(estimate)
Ga (Gallium)
Hf (Hafnium)
In (Indium)
Li (Lithium)
Mg (Magnesium)
Mn (Manganese)
0.6 to 0.9
%
Mo (Molybdenum)
N (Nitrogen)
Na (Sodium)
Nb (Niobium)
Ni (Nickel)
P (Phosphorus)
0.03
% (maximum)
Pb (Lead)
Pd (Palladium)
Pt (Platinum)
S (Sulfur)
0.035
% (maximum)
Sb (Antimony)
Se (Selenium)
Si (Silicon)
0.1 to 0.35
%
Sn (Tin)
Sr (Strontium)
Ta (Tantalum)
Te (Tellurium)
Th (Thorium)
Ti (Titanium)
Tl (Thallium)
V (Vanadium)
W (Tungsten)
Zn (Zinc)
Zr (Zirconium)
Balance
Others Total
Others Each
Other elements
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
Tabular Data
Yield Strength
Ultimate Tensile Strength
Elongation
Density
Brinell Hardness
Vickers Hardness
Rockwell Hardness C scale
Rockwell Hardness B scale
Rockwell Hardness A scale
Rockwell 30-T scale
Rockwell 15-T scale
Condition
Notes on Mechanical Properties
Other Information
Material Class
Ferrous Alloy
Alloy Family
Carbon Steel
Alloy Group
Medium-carbon steel
Alloy Sub-Group
1040
Country
South Korea
Standards Body
KS (South Korea)
Description
Carbon steel wire rods for cold heading and forging; killed.
Alternate Name
Designation
SWRCH40K
Specification Type
Standard
Specification
KS D 3592
Specification Year
2002
Specification Status
Active
Specification Status Notes
Active
Similar US Grade
Similar UNS Number
Equivalent Standards
Source
Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006
Online Source
Organization
Available forms
Wrought
Similar Alloys
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Links
Organizations
Bureau of Indian Standards (BIS)
No warranty is given for the accuracy of these data
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