PROPERTIES OF ENGINEERING MATERIALS TAPIODIMOW 1.42 Downloaded from Digital Engineering Library @ McGraw-Hill www.digitalengineeringlibrary.com Copyright © 2004 The McGraw-Hill Compani
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Trang 5TABLE 1-24
Typical uses of tool steel
PROPERTIES OF ENGINEERING MATERIALS
PROPERTIES OF ENGINEERING MATERIALS | 1.45
T 133
T 118
T 70
T 215 Cr 12
T 160 Cr 12
TII0DW2Crl
T 105 W 2 Cr 60 V 25
T 90 Mn 2 W 50 Cr 45
T 105 Cr |
T 85
T 75
T 65
T 55 Cr 70
T 55 Si 2 Mn 90 Mo 33
T 50 Cr 1 V 23
T 60 Ni l
T30 Ni4Cr Ï
T 55 Ni 2 Cr 65 Mo 3
T 33, W 9 Cr 3 V 38
T35Cr5MoVI
T 35 Cr 5 Mo W I V 30
T 75 W 18 Co 6 Cr 4 V 1 Mo 75
T83 MoW6Cr4V2
T 55 W 14 Cr 3 V 45°
T 16 Ni 80 Cr 60
T 10 Cr 5 bee 75 V 23
Cold-Work Water-Hardening Steels
tools, heading and press tools, drills, punches, chisels,shear blades, vice jaws, etc
Cold-Work Oil and Air-Hardening Steels
Nondeforming tool steels | Engraving tools, press tools, gauge, tape, dies, drills, hard
reamers, milling cutters, broaches, cold punches, knives etc Carbon-chromium tool
steels
Lathe centers, knurling tools, press tools Die blocks, garden and agricultural tools, ete
Carbon tool steels Shock-resisting tool steels | Pneumatic chisels, rivet shape, shear blades, heavy-duty
punches, scarfing tools, and other tools under high shock Nickel-chrome-
molybdenum tool steels
Cold and heavy duty punches, trimming dies, scarfing tools, pneumatic chisels, etc
Hot-Work and High-Speed Steel
and forging
deep-hole drills, slitting saws, high-speed and heavy-cut tools
Low-Carbon Mold Steel
* May also be used as hot-work steel
Source: IS 1871, 1965
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TABLE 1-25
Mechanical properties of carbon and alloy steel bars for the production of machine parts
Ultimate tensile strength, c,,,,
Notes: a’, area of cross section;
Source: IS 2073, 1970
minimum; * maximum; ™ steel designations in parentheses are old designations
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