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C68D

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China GB C68D 制丝用非合金钢盘条 第2部分：一般用途盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C68D / C68D
Category Grade Standard Region/Area Standard Content
Metals C68D GB/T 24242.2 China 制丝用非合金钢盘条 第2部分：一般用途盘条

Chemical composition(mass fraction)(wt.%) of the C68D

Element Min Max Similar
Si 0.1000 0.3000 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.2000 -
Mo - 0.0500 -
Mn 0.5000 0.8000 -
Cu - 0.2500 -
Cr - 0.1500 -
C 0.6500 0.7000 -
Al - 0.0100 -

Mechanical Properties of steel grade C68D

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
953 (≥) 699 (≥) 21 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade C68D

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
44 - -     0.23 -  
712 575 - 21.3 241   -  
987 - 42 22.2   331 313

Heat Treatment of steel grade C68D

Heat treated : 1512°C - 1817°C

Technological Curves of steel grade C68D

Cross Reference Table (Equivalent Grade) of C68D

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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