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S.531

Favorite Datasheet
S.530 S.532
#S-531

Description

UK B.S. BS S 531, S.531 Specialsteel Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (niobium stabilized: 54 hbar) (elevated temperature properties not verified) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S.531
Category Class Grade Standard Country Application
Steel GradesSpecialsteel S.531 B.S. UK Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (niobium stabilized: 54 hbar) (elevated temperature properties not verified)

Chemical composition(mass fraction)(wt.%) of the S.531

C Si Mn P S Cr Ni Mo Nb
≤0.12 0.20 -1.00 0.50 -2.00 ≤0.035 ≤0.025 23.00 -26.00 16.00 -19.00 ≤ ≥ 10×C -1.40

Mechanical Properties of steel grade S.531

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)
124 (≥) 635 (≥) 41 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade S.531

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
22 - -     0.44 -  
616 976 - 12.3 242   -  
493 - 31 31.2   313 124

Heat Treatment of steel grade S.531

Heat treated : 1635°C - 1863°C

Technological Curves of steel grade S.531

Relevant standard of S.531

BS S 531 Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (niobium stabilized: 54 hbar) (elevated temperature properties not verified) BS-S-531.pdf
S.530 S.532
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