Grade C60
Corresponding Standard JIS G 7105-2000
Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels — Part 18 : Bright Products Of Unalloyed and Low Alloy Steels
Classification Carbon Steel
Properties Carburizing Ability
C60 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.57 0.1 0.6 - -
Maximum Value 0.65 0.4 0.9 0.045 0.045
◎ Steels with machinability which has been improved either by the addition of lead or by higher sulfur levels up to about 0.100 % (m/m) S (including controlled sulfide morphology) may be available on request.
C60 Mechanical Properties
thickness
t
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
t≤5 TC ≥860 ≥700 ≥4
5<t≤10 TC ≥840 ≥630 ≥5
10<t≤16 TC ≥800 ≥570 ≥5
16<t≤25 TC ≥740 ≥520 ≥5
25<t≤40 TC ≥720 ≥480 ≥6
40<t≤100 TC ≥670 ≥340 ≥7
t≤100 TC+TA,
P+TA
or
G+TA
≥241
t≤16 TC+TN,
P+TN
or
G+TN
≥710 ≥380 ≥10
16<t≤100 TC+TN,
P+TN
or
G+TN
≥670 ≥340 ≥11
100<t≤250 TC+TN,
P+TN
or
G+TN
≥650 ≥310 ≥11
t≤16 TC+TQ+TT℗,
P+TQ+TT
or
G+TQ+TT
850~1000 ≥580 ≥11
16<t≤40 TC+TQ+TT℗,
P+TQ+TT
or
G+TQ+TT
800~950 ≥520 ≥13
40<t≤100 TC+TQ+TT℗,
P+TQ+TT
or
G+TQ+TT
750~900 ≥450 ≥13
100<t≤250 TC Be agreed Be agreed Be agreed
100<t≤250 TC+TA,
P+TA
or
G+TA
Be agreed
100<t≤250 TC+TQ+TT,
P+TQ+TT
or
G+TQ+TT
Be agreed Be agreed Be agreed

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