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A724 Grade C

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America ASTM A724GradeC 叠层焊接的压力容器用经淬火及回火的碳素钢压力容器板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A724GradeC / A724 Grade C
Category Grade Standard Region/Area Standard Content
Metals A724 Grade C ASTM A724/A724M America 叠层焊接的压力容器用经淬火及回火的碳素钢压力容器板

Chemical composition(mass fraction)(wt.%) of the A724 Grade C

Element Min Max Similar
Cu - 0.3500 -
B - 0.0050 -
V - 0.0800 -
Mo - 0.0800 -
Ni - 0.2500 -
Cr - 0.2500 -
P - 0.0350 -
S - 0.0350 -
Mn 1.1000 1.6000 -
Si 0.2000 0.6000 -
C - 0.2200 -
V - 0.0900 -
Si 0.1800 0.6500 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.2800 -
Mo - 0.0900 -
Mn 1.0200 1.7200 -
Cu - 0.3800 -
Cr - 0.2900 -
C - 0.2600 -
B - 0.0005 -

Mechanical Properties of steel grade A724 Grade C

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)
763 (≥) 681 (≥) 21 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade A724 Grade C

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 - -     0.32 -  
733 585 - 13.3 324   -  
976 - 34 24.2   433 423

Heat Treatment of steel grade A724 Grade C

Heat treated : 1388°C - 1552°C

Technological Curves of steel grade A724 Grade C

Cross Reference Table (Equivalent Grade) of A724 Grade C

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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