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2S.155

Favorite Datasheet
2S.144 3S.61
#2S-155

Description

UK B.S. BS S 155, 2S.155 Specialsteel Specification for nickel-silicon-chromium-molybdenum-vanadium steel (vacuum arc remelted) billets, bars, forgings and parts (1900-2100 MPa: limiting ruling section 75 mm) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 2S.155
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 2S.155 B.S. UK Specification for nickel-silicon-chromium-molybdenum-vanadium steel (vacuum arc remelted) billets, bars, forgings and parts (1900-2100 MPa: limiting ruling section 75 mm)

Chemical composition(mass fraction)(wt.%) of the 2S.155

C Si Mn P S Cr Ni Mo Nb Cu
≤0.07 ≤0.60 ≤1.00 ≤0.035 ≤0.025 13.20 -14.70 5.00 -5.80 1.20 -2.00 0.10 -0.40 1.20 -2.00

Mechanical Properties of steel grade 2S.155

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)
315 (≥) 795 (≥) 43 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade 2S.155

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 - -     0.42 -  
336 452 - 24.3 131   -  
563 - 14 12.2   143 222

Heat Treatment of steel grade 2S.155

Heat treated : 1776°C - 1653°C

Technological Curves of steel grade 2S.155

Relevant standard of 2S.155

BS S 155 Specification for nickel-silicon-chromium-molybdenum-vanadium steel (vacuum arc remelted) billets, bars, forgings and parts (1900-2100 MPa: limiting ruling section 75 mm) BS-S-155.pdf
2S.144 3S.61
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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