301S26 Stainless Steels to BS 2056

301S26 - Specification & Application

  • BS 2056 - Specification for stainless steel wire for mechanical springs

Specification for stainless steel wire for mechanical springs

Chemical composition(wt.%) of 301S26 grade: to BS 2056

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.030
Cr 16.00 18.00
Mo - -
Ni 6.00 8.00

301S26 - Detail

Specification for stainless steel wire for mechanical springs

Mechanical properties of grade 301S26 BS 2056

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
261 (≥) 784 (≥) 43 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical properties of grade 301S26 BS 2056

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
427 (≥) 798 (≥) 14 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
978 964 246

Equivalent Grade

Equivalent Products

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