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SA-426 Grade CP21

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America ASME SA-426GradeCP21 高温用离心铸造的铁素体合金钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-426GradeCP21 / SA-426 Grade CP21
Category Grade Standard Region/Area Standard Content
Metals SA-426 Grade CP21 ASME SA-426 America 高温用离心铸造的铁素体合金钢管

Chemical composition(mass fraction)(wt.%) of the SA-426 Grade CP21

Element Min Max Similar
W - 0.1000 -
Si - 0.5000 -
S - 0.0450 -
P - 0.0400 -
Ni - 0.5000 -
Mo 0.8000 1.0600 -
Mn 0.3000 0.6000 -
Cu - 0.5000 -
Cr 2.6500 3.3500 -
C 0.0500 0.1500 -

Mechanical Properties of steel grade SA-426 Grade CP21

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)
489 (≥) 887 (≥) 12 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade SA-426 Grade CP21

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
14 - -     0.23 -  
686 876 - 33.3 113   -  
228 - 43 12.2   441 333

Heat Treatment of steel grade SA-426 Grade CP21

Heat treated : 1965°C - 1444°C

Technological Curves of steel grade SA-426 Grade CP21

Cross Reference Table (Equivalent Grade) of SA-426 Grade CP21

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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