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A743 Grade CF-20

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America ASTM A743GradeCF-20 一般用耐腐蚀铬铁及镍铬铁合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A743GradeCF-20 / A743 Grade CF-20
Category Grade Standard Region/Area Standard Content
Metals A743 Grade CF-20 ASTM A743/A743M America 一般用耐腐蚀铬铁及镍铬铁合金铸件

Chemical composition(mass fraction)(wt.%) of the A743 Grade CF-20

Element Min Max Similar
Si - 2.0000 -
S - 0.0400 -
P - 0.0400 -
Ni 8.0000 11.0000 -
Mn - 1.5000 -
Cr 18.0000 21.0000 -
C - 0.2000 -

Mechanical Properties of steel grade A743 Grade CF-20

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)
174 (≥) 414 (≥) 43 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade A743 Grade CF-20

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
23 - -     0.43 -  
887 899 - 23.3 342   -  
183 - 14 42.2   423 122

Heat Treatment of steel grade A743 Grade CF-20

Heat treated : 1451°C - 1745°C

Technological Curves of steel grade A743 Grade CF-20

Cross Reference Table (Equivalent Grade) of A743 Grade CF-20

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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