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LB2

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England B.S. LB2 Specification for copper alloy ingots and copper alloy and high conductivity copper castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LB2 / LB2
Category Grade Standard Region/Area Standard Content
Metals LB2 BS 1400 England Specification for copper alloy ingots and copper alloy and high conductivity copper castings

Chemical composition(mass fraction)(wt.%) of the LB2

Element Min Max Similar
Zn - 1.0000 -
Sn 9.2000 11.0000 -
Si - 0.0200 -
Sb - 0.5000 -
S - 0.1000 -
Pb 9.0000 10.5000 -
P - 0.0500 -
Ni - 2.0000 -
Mn - 0.2000 -
Fe - 0.1500 -
Cu - - -
Al - 0.0100 -

Mechanical Properties of steel grade LB2

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)
463 (≥) 576 (≥) 42 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade LB2

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
34 - -     0.13 -  
263 647 - 11.3 234   -  
892 - 42 21.2   123 241

Heat Treatment of steel grade LB2

Heat treated : 1141°C - 1559°C

Technological Curves of steel grade LB2

Cross Reference Table (Equivalent Grade) of LB2

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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