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A688 S24000

America ASTM A688S24000 焊接的奥氏体不锈钢给水加热器管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A688S24000 / A688 S24000
Category Grade Standard Region/Area Standard Content
Metals A688 S24000 ASTM A688/A688M America 焊接的奥氏体不锈钢给水加热器管

Chemical composition(mass fraction)(wt.%) of the A688 S24000

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0600 -
Ni 2.2500 3.7500 -
N 0.2000 0.4000 -
Mn 11.5000 14.5000 -
Cr 17.0000 19.0000 -
C - 0.0600 -

Mechanical Properties of steel grade A688 S24000

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)
121 (≥) 967 (≥) 22 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade A688 S24000

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 - -     0.14 -  
254 253 - 32.3 214   -  
127 - 12 12.2   121 311

Heat Treatment of steel grade A688 S24000

Heat treated : 1785°C - 1155°C

Technological Curves of steel grade A688 S24000

Cross Reference Table (Equivalent Grade) of A688 S24000

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