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America ASME ERTi-18 Specification for titanium and titanium-alloy welding electrodes and rods and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ERTi-18 / ERTi-18
Category Grade Standard Region/Area Standard Content
Metals ERTi-18 ASME SFA-5.16/SFA-5.16M America Specification for titanium and titanium-alloy welding electrodes and rods

Chemical composition(mass fraction)(wt.%) of the ERTi-18

Element Min Max Similar
Pd 0.0400 0.0800 -
C - 0.0300 -
V 2.0000 3.0000 -
Ti - - -
N - 0.0120 -
Al 2.5000 3.5000 -
Fe - 0.2000 -
H - 0.0050 -
O 0.0600 0.1200 -
Y - 0.0050 -
Others each - 0.0500 -
Others total - 0.2000 -

Mechanical Properties of steel grade ERTi-18

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)
117 (≥) 517 (≥) 33 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade ERTi-18

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 - -     0.21 -  
585 536 - 41.3 421   -  
864 - 42 44.2   132 143

Heat Treatment of steel grade ERTi-18

Heat treated : 1767°C - 1559°C

Technological Curves of steel grade ERTi-18

Cross Reference Table (Equivalent Grade) of ERTi-18

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