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Description

UK B.S. BS 1449-2, 309S24 Specialsteel Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 309S24
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 309S24 B.S. UK Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip

Chemical composition(mass fraction)(wt.%) of the 309S24

C Si Mn P S Cr Mo Ni
≤0.15 ≤1.00 ≤2.00 ≤0.045 ≤0.03 22.00 -25.00 ≤ ≥ 13.00 -16.00

Mechanical Properties of steel grade 309S24

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)
187 (≥) 981 (≥) 21 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 309S24

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
43 - -     0.44 -  
389 897 - 14.3 342   -  
534 - 41 44.2   442 444

Heat Treatment of steel grade 309S24

Heat treated : 1893°C - 1574°C

Technological Curves of steel grade 309S24

Cross Reference Table (Equivalent Grade) of 309S24

Grade Standard Country Application
309S24
309S24

Relevant standard of 309S24

BS 1449-2 Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip BS-1449-2.pdf

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