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309S20

Favorite Datasheet
305S11 310S17
#309S20

Description

UK B.S. BS 1554, 309S20 Specialsteel Specification for stainless and heat-resisting steel round wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 309S20
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 309S20 B.S. UK Specification for stainless and heat-resisting steel round wire

Chemical composition(mass fraction)(wt.%) of the 309S20

C Si Mn P S Cr Mo Ni
≤0.12 ≤1.00 ≤2.00 ≤0.045 ≤0.03 22.00 -25.00 ≤ ≥ 12.50 -15.00

Mechanical Properties of steel grade 309S20

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)
253 (≥) 493 (≥) 23 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 309S20

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
44 - -     0.34 -  
628 763 - 31.3 134   -  
916 - 13 24.2   133 314

Heat Treatment of steel grade 309S20

Heat treated : 1243°C - 1575°C

Technological Curves of steel grade 309S20

Cross Reference Table (Equivalent Grade) of 309S20

Grade Standard Country Application
309S20
309S20

Relevant standard of 309S20

BS 1554 Specification for stainless and heat-resisting steel round wire BS-1554.pdf
305S11 310S17
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Jiangyou Longhai Special Steel Co.,Ltd.

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