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305S11

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301S22 309S20
#305S11

Description

UK B.S. BS 1554, BS 2056, 305S11 Specialsteel Specification for stainless steel wire for mechanical springs and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 305S11
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 305S11 B.S. UK Specification for stainless steel wire for mechanical springs

Chemical composition(mass fraction)(wt.%) of the 305S11

C Si Mn P S Cr Mo Ni
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00 -19.00 ≤ ≥ 11.00 -13.00

Mechanical Properties of steel grade 305S11

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)
652 (≥) 614 (≥) 33 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 305S11

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
21 - -     0.34 -  
899 629 - 23.3 242   -  
759 - 12 33.2   324 413

Heat Treatment of steel grade 305S11

Heat treated : 1418°C - 1134°C

Technological Curves of steel grade 305S11

Relevant standard of 305S11

BS 1554 Specification for stainless and heat-resisting steel round wire BS-1554.pdf
BS 2056 Specification for stainless steel wire for mechanical springs BS-2056.pdf
301S22 309S20
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Jiangyou Longhai Special Steel Co.,Ltd.

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