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England B.S. HTN4 Specification for filler metals for brazing and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HTN4 / HTN4
Category Grade Standard Region/Area Standard Content
Metals HTN4 BS 1845 England Specification for filler metals for brazing

Chemical composition(mass fraction)(wt.%) of the HTN4

Element Min Max Similar
Zr - 0.0500 -
Ti - 0.0500 -
Si 9.7500 10.5000 -
P - 0.0200 -
Ni - - -
Cr 18.5000 19.5000 -
C - 0.1000 -
B - 0.0300 -
Al - 0.0500 -

Mechanical Properties of steel grade HTN4

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)
471 (≥) 248 (≥) 11 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade HTN4

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
23 - -     0.23 -  
982 573 - 14.3 422   -  
885 - 11 24.2   423 333

Heat Treatment of steel grade HTN4

Heat treated : 1535°C - 1671°C

Technological Curves of steel grade HTN4

Cross Reference Table (Equivalent Grade) of HTN4

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