441S49 Stainless Steels to BS 1554

441S49 - Specification & Application

  • BS 1554 - Specification for stainless and heat-resisting steel round wire

Specification for stainless and heat-resisting steel round wire

Chemical composition(wt.%) of 441S49 grade: to BS 1554

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.12 0.20
Si - 1.00
Mn - 1.50
P - 0.04
S - 0.03
Cr 15.00 18.00
Mo - 0.60
Ni 2.00 3.00
Se 0.15 0.35

441S49 - Detail

Specification for stainless and heat-resisting steel round wire

Mechanical properties of grade 441S49 BS 1554

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)
198 (≥) 337 (≥) 33 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical properties of grade 441S49 BS 1554

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
155 (≥) 929 (≥) 43 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
959 767 913

Equivalent Grade

Equivalent Products

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