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430S18

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430S11 434S20
#430S18

Description

UK B.S. BS 1554, 430S18 Specialsteel Specification for stainless and heat-resisting steel round wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 430S18
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 430S18 B.S. UK Specification for stainless and heat-resisting steel round wire

Chemical composition(mass fraction)(wt.%) of the 430S18

C Si Mn P S Cr Mo Ni
≤0.10 ≤1.00 ≤1.00 ≤0.04 ≤0.03 16.00 -18.00 ≤ ≥ ≤1.00

Mechanical Properties of steel grade 430S18

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)
216 (≥) 415 (≥) 14 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade 430S18

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
32 - -     0.42 -  
554 337 - 44.3 142   -  
868 - 22 33.2   243 434

Heat Treatment of steel grade 430S18

Heat treated : 1591°C - 1727°C

Technological Curves of steel grade 430S18

Cross Reference Table (Equivalent Grade) of 430S18

Grade Standard Country Application
430S18
430S18

Relevant standard of 430S18

BS 1554 Specification for stainless and heat-resisting steel round wire BS-1554.pdf
430S11 434S20
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