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A434 Class BB

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America ASTM A434ClassBB 热轧与冷精轧经回火及淬火的合金钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A434ClassBB / A434 Class BB
Category Grade Standard Region/Area Standard Content
Metals A434 Class BB ASTM A434 America 热轧与冷精轧经回火及淬火的合金钢棒

Chemical composition(mass fraction)(wt.%) of the A434 Class BB

Element Min Max Similar

Mechanical Properties of steel grade A434 Class BB

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)
351 (≥) 358 (≥) 13 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade A434 Class BB

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
42 - -     0.42 -  
132 939 - 14.3 342   -  
484 - 23 31.2   224 311

Heat Treatment of steel grade A434 Class BB

Heat treated : 1383°C - 1739°C

Technological Curves of steel grade A434 Class BB

Cross Reference Table (Equivalent Grade) of A434 Class BB

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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