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Grade LTB 4

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India IS GradeLTB4 Specification for Leaded Tin Bronze Ingots and Castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeLTB4 / Grade LTB 4
Category Grade Standard Region/Area Standard Content
Metals Grade LTB 4 IS 318 India Specification for Leaded Tin Bronze Ingots and Castings

Chemical composition(mass fraction)(wt.%) of the Grade LTB 4

Element Min Max Similar
Zn - 0.7500 -
Total Others - 0.8000 -
Sn 6.0000 8.0000 -
Si - 0.0200 -
Sb - 0.5000 -
Pb 14.0000 16.0000 -
Ni - 2.0000 -
Fe - 0.3500 -
Cu - - -

Mechanical Properties of steel grade Grade LTB 4

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)
821 (≥) 982 (≥) 14 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade Grade LTB 4

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
33 - -     0.13 -  
592 865 - 43.3 141   -  
948 - 34 21.2   324 344

Heat Treatment of steel grade Grade LTB 4

Heat treated : 1439°C - 1469°C

Technological Curves of steel grade Grade LTB 4

Cross Reference Table (Equivalent Grade) of Grade LTB 4

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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