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301S81

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301S26 302S26
#301S81

Description

UK B.S. BS 2056, 301S81 Specialsteel Specification for stainless steel wire for mechanical springs and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 301S81
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 301S81 B.S. UK Specification for stainless steel wire for mechanical springs

Chemical composition(mass fraction)(wt.%) of the 301S81

C Si Mn P S Cr Mo Ni Al
≤0.09 ≤1.00 ≤1.00 ≤0.045 ≤0.030 16.00 -18.00 ≤ ≥ 6.50 -7.75 0.75 -1.50

Mechanical Properties of steel grade 301S81

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)
545 (≥) 287 (≥) 12 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 301S81

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
23 - -     0.13 -  
932 626 - 12.3 124   -  
743 - 31 43.2   314 432

Heat Treatment of steel grade 301S81

Heat treated : 1153°C - 1671°C

Technological Curves of steel grade 301S81

Relevant standard of 301S81

BS 2056 Specification for stainless steel wire for mechanical springs BS-2056.pdf
301S26 302S26
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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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