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434S20

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430S18 436S20
#434S20

Description

UK B.S. BS 1554, 434S20 Specialsteel Specification for stainless and heat-resisting steel round wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 434S20
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 434S20 B.S. UK Specification for stainless and heat-resisting steel round wire

Chemical composition(mass fraction)(wt.%) of the 434S20

C Si Mn P S Cr Mo Ni
≤0.12 ≤1.00 ≤1.00 ≤0.04 ≤0.03 16.00 -18.00 0.75 -1.25 ≤ ≥

Mechanical Properties of steel grade 434S20

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)
151 (≥) 817 (≥) 22 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 434S20

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
24 - -     0.24 -  
348 598 - 42.3 141   -  
414 - 13 14.2   421 311

Heat Treatment of steel grade 434S20

Heat treated : 1766°C - 1358°C

Technological Curves of steel grade 434S20

Cross Reference Table (Equivalent Grade) of 434S20

Grade Standard Country Application
434S20
434S20

Relevant standard of 434S20

BS 1554 Specification for stainless and heat-resisting steel round wire BS-1554.pdf
430S18 436S20
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