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A 193 B8M2 Class 2

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Lapelloy C A 193 B8M2 Class 2B
#M-22

Description

USA SAE A 193/A 193M (2012), A 193 B8M2 Class 2 Specialsteel Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 193 B8M2 Class 2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 193 B8M2 Class 2 Precipitation-Hardening SAE USA Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications

Chemical composition(mass fraction)(wt.%) of the A 193 B8M2 Class 2

C Si Mn Ni Cr Al Cu Ti Fe Mo Co Ta Zr W
≤0.13 ≤ ≥ ≤ ≥ ≤ ≥ ≤5.70 ≤6.30 ≤ ≥ ≤ ≥ ≤ ≥ ≤2.00 ≤ ≥ ≤3.00 ≤0.60 ≤11.00

Mechanical Properties of steel grade A 193 B8M2 Class 2

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)
927 (≥) 124 (≥) 13 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade A 193 B8M2 Class 2

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
22 - -     0.21 -  
394 469 - 42.3 232   -  
929 - 42 43.2   242 231

Heat Treatment of steel grade A 193 B8M2 Class 2

Heat treated : 1223°C - 1334°C

Technological Curves of steel grade A 193 B8M2 Class 2

Cross Reference Table (Equivalent Grade) of A 193 B8M2 Class 2

Grade Standard Country Application
M-22

Relevant standard of A 193 B8M2 Class 2

A 193/A 193M (2012) Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications A-193-A-193M-(2012).pdf
Lapelloy C A 193 B8M2 Class 2B
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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