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SA-193 Grade B8M2 Class 2B

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America ASME SA-193GradeB8M2Class2B 高温用合金钢和不锈钢螺栓材料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-193GradeB8M2Class2B / SA-193 Grade B8M2 Class 2B
Category Grade Standard Region/Area Standard Content
Metals SA-193 Grade B8M2 Class 2B ASME SA-193/SA-193M America 高温用合金钢和不锈钢螺栓材料

Chemical composition(mass fraction)(wt.%) of the SA-193 Grade B8M2 Class 2B

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 10.0000 14.0000 -
Mo 2.0000 3.0000 -
Mn - 2.0000 -
Cr 16.0000 18.0000 -
C - 0.0800 -

Mechanical Properties of steel grade SA-193 Grade B8M2 Class 2B

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)
541 (≥) 599 (≥) 22 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade SA-193 Grade B8M2 Class 2B

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 - -     0.14 -  
883 114 - 44.3 124   -  
788 - 32 12.2   144 131

Heat Treatment of steel grade SA-193 Grade B8M2 Class 2B

Heat treated : 1168°C - 1489°C

Technological Curves of steel grade SA-193 Grade B8M2 Class 2B

Cross Reference Table (Equivalent Grade) of SA-193 Grade B8M2 Class 2B

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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